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overflow: hidden; text-overflow: ellipsis; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }</style><div class="col-xs-12 clearfix"><div class="u-floatLeft"><h1 class="PageHeader-title u-m0x u-fs30">Hydrogeology</h1><div class="u-tcGrayDark">71,245 Followers</div><div class="u-tcGrayDark u-mt2x">Recent papers in <b>Hydrogeology</b></div></div></div></div></div></div><div class="TabbedNavigation"><div class="container"><div class="row"><div class="col-xs-12 clearfix"><ul class="nav u-m0x u-p0x list-inline u-displayFlex"><li class="active"><a href="https://www.academia.edu/Documents/in/Hydrogeology">Top Papers</a></li><li><a href="https://www.academia.edu/Documents/in/Hydrogeology/MostCited">Most Cited Papers</a></li><li><a href="https://www.academia.edu/Documents/in/Hydrogeology/MostDownloaded">Most Downloaded Papers</a></li><li><a href="https://www.academia.edu/Documents/in/Hydrogeology/MostRecent">Newest Papers</a></li><li><a class="" href="https://www.academia.edu/People/Hydrogeology">People</a></li></ul></div><style type="text/css">ul.nav{flex-direction:row}@media(max-width: 567px){ul.nav{flex-direction:column}.TabbedNavigation li{max-width:100%}.TabbedNavigation li.active{background-color:var(--background-grey, #dddde2)}.TabbedNavigation li.active:before,.TabbedNavigation li.active:after{display:none}}</style></div></div></div><div class="container"><div class="row"><div class="col-xs-12"><div class="u-displayFlex"><div class="u-flexGrow1"><div class="works"><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_21873694" data-work_id="21873694" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/21873694/GIS_Based_Hydrologic_Modeling_of_Riparian_Areas">GIS-Based Hydrologic Modeling of Riparian Areas</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Riparian buffers have potential for reducing excess nutrient levels in surface water. Spatial variation in riparian buffer effectiveness is well recogrnzed, yet researchers and managers still lack effective general tools for understanding... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_21873694" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Riparian buffers have potential for reducing excess nutrient levels in surface water. Spatial variation in riparian buffer effectiveness is well recogrnzed, yet researchers and managers still lack effective general tools for understanding the relevance of different hydrologic settings. We present several terrain-based GIS models to predict spatial patterns of shallow, subsurface hydroiogic flux and riparian hydrology. We then link predictions of riparian hydrology to patterns of nutrient export in order to demonstrate potential for augmenting the predictive power of land use/land cover (LU/LC) maps. Using predicted hydrology in addition to LUILC, we observed increases in the explained variation of nutrient exports from 290 sites across Lower Michigan. The results suggest that our hydrologic predictions relate more strongly to patterns of nutrient export than the presence or absence of wetland vegetation, and that in fact the influence of vegetative structure largely depends on its hydrologic context. Such GIS models are useful and complimentary tools for exploring the role of hydrologic routing in riparian ecosystem function and stream water quality. Modeling efforts that take a similar GIS approach to material transport might be used to further explore the causal implications of riparian buffers in heterogeneous watersheds. (KEY TERMS: aquatic ecosystems; GIS; ground water hydrology; modeling; watershed management; wetlands.) 'Paper No.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/21873694" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="91a3b18a1b4dcf689975ee07e24755a5" rel="nofollow" data-download="{"attachment_id":42613384,"asset_id":21873694,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/42613384/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="34028387" href="https://umich.academia.edu/MichaelWiley">Michael J Wiley</a><script data-card-contents-for-user="34028387" type="text/json">{"id":34028387,"first_name":"Michael","last_name":"Wiley","domain_name":"umich","page_name":"MichaelWiley","display_name":"Michael J Wiley","profile_url":"https://umich.academia.edu/MichaelWiley?f_ri=411","photo":"https://0.academia-photos.com/34028387/27361531/25729538/s65_michael.wiley.jpg"}</script></span></span></li><li class="js-paper-rank-work_21873694 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="21873694"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 21873694, container: ".js-paper-rank-work_21873694", }); 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Spatial variation in riparian buffer effectiveness is well recogrnzed, yet researchers and managers still lack effective general tools for understanding the relevance of different hydrologic settings. We present several terrain-based GIS models to predict spatial patterns of shallow, subsurface hydroiogic flux and riparian hydrology. We then link predictions of riparian hydrology to patterns of nutrient export in order to demonstrate potential for augmenting the predictive power of land use/land cover (LU/LC) maps. Using predicted hydrology in addition to LUILC, we observed increases in the explained variation of nutrient exports from 290 sites across Lower Michigan. The results suggest that our hydrologic predictions relate more strongly to patterns of nutrient export than the presence or absence of wetland vegetation, and that in fact the influence of vegetative structure largely depends on its hydrologic context. Such GIS models are useful and complimentary tools for exploring the role of hydrologic routing in riparian ecosystem function and stream water quality. Modeling efforts that take a similar GIS approach to material transport might be used to further explore the causal implications of riparian buffers in heterogeneous watersheds. (KEY TERMS: aquatic ecosystems; GIS; ground water hydrology; modeling; watershed management; wetlands.) 'Paper No.","downloadable_attachments":[{"id":42613384,"asset_id":21873694,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":34028387,"first_name":"Michael","last_name":"Wiley","domain_name":"umich","page_name":"MichaelWiley","display_name":"Michael J Wiley","profile_url":"https://umich.academia.edu/MichaelWiley?f_ri=411","photo":"https://0.academia-photos.com/34028387/27361531/25729538/s65_michael.wiley.jpg"}],"research_interests":[{"id":38,"name":"Management","url":"https://www.academia.edu/Documents/in/Management?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":2461,"name":"Wetlands","url":"https://www.academia.edu/Documents/in/Wetlands?f_ri=411","nofollow":true},{"id":7968,"name":"Prediction","url":"https://www.academia.edu/Documents/in/Prediction?f_ri=411","nofollow":true},{"id":60194,"name":"Transport","url":"https://www.academia.edu/Documents/in/Transport?f_ri=411"},{"id":65140,"name":"Models","url":"https://www.academia.edu/Documents/in/Models?f_ri=411"},{"id":72773,"name":"Structures","url":"https://www.academia.edu/Documents/in/Structures?f_ri=411"},{"id":106333,"name":"Ecosystems","url":"https://www.academia.edu/Documents/in/Ecosystems?f_ri=411"},{"id":109291,"name":"Land Use","url":"https://www.academia.edu/Documents/in/Land_Use?f_ri=411"},{"id":113556,"name":"Ground Water","url":"https://www.academia.edu/Documents/in/Ground_Water?f_ri=411"},{"id":142810,"name":"Surface Water","url":"https://www.academia.edu/Documents/in/Surface_Water?f_ri=411"},{"id":190486,"name":"Nutrients","url":"https://www.academia.edu/Documents/in/Nutrients?f_ri=411"},{"id":218693,"name":"Buffer Strips","url":"https://www.academia.edu/Documents/in/Buffer_Strips?f_ri=411"},{"id":224636,"name":"Vegetation","url":"https://www.academia.edu/Documents/in/Vegetation?f_ri=411"},{"id":378051,"name":"Streams","url":"https://www.academia.edu/Documents/in/Streams?f_ri=411"},{"id":720202,"name":"Hydrologic Models","url":"https://www.academia.edu/Documents/in/Hydrologic_Models?f_ri=411"},{"id":1211138,"name":"Geographic Information System","url":"https://www.academia.edu/Documents/in/Geographic_Information_System?f_ri=411"},{"id":1213131,"name":"Geographic Information Systems","url":"https://www.academia.edu/Documents/in/Geographic_Information_Systems?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_4750292" data-work_id="4750292" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/4750292/Numerical_simulation_of_groundwater_flow_in_regional_rock_aquifers_southwestern_Quebec_Canada">Numerical simulation of groundwater flow in regional rock aquifers, southwestern Quebec, Canada</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The St. Lawrence Lowlands platform, Quebec, Canada, is a densely-populated area, heavily dependent on groundwater resources. In 1999, the Geological Survey of Canada initiated a large-scale hydrogeological assessment study over a... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_4750292" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The St. Lawrence Lowlands platform, Quebec, Canada, is a densely-populated area, heavily dependent on groundwater resources. In 1999, the Geological Survey of Canada initiated a large-scale hydrogeological assessment study over a 1,500 km2 region northwest of Montreal. The objectives were to define the regional groundwater flow, and to give quantitative estimates of the groundwater dynamic parameters and of the available groundwater resources. The applied approach consisted of defining the hydrogeologic framework, hydraulic properties of the aquifer units, and groundwater dynamic components. Lower Paleozoic sedimentary rocks represent regional aquifer units. Coarse Quaternary fluvio-glacial sediments locally overlay the rock sequence and constitute an interface aquifer unit. Fine marine sediments confine most of the regional aquifers. Collected GIS based information was synthesized in a finite element numerical model. The regional saturated steady-state flow was calibrated under current stress conditions assuming an equivalent porous medium approach. Water budget calculations show that the total groundwater flow in regional aquifers amounts to 97.7 Mm3/y. Infiltration from precipitation provides 86.6% of the groundwater supply, while 9.6% comes from subsurface inflow and the remaining 3.8% is induced recharge from surface waters. Discharge from regional aquifers occurs through flow to streams (76.9%), groundwater withdrawal (18.4%), and underground outflow (4.7%). La plateforme Lowllands du Saint-Laurent, Québec, Canada, est une aire densément peuplée, dépendant grandement des ressources en eau souterraine. En 1999, le Service Géologique du Canada a initié une étude hydrogéologique à grande-échelle sur 1500 km2 au Nord-Ouest de Montréal. Le sobjectifs ont été de définir la dynamique de l’écoulement régional, et de donner des estimations quantitatives des paramètres dynamiques des ressources disponibles en eau souterraine. L’approche utilisée consista à définir le cadre hydrogéologique de travail, les propriétés hydrauliques des unités aquifères, et les composantes dynamiques des eaux souterraines. Les roches sédimentaires du Paléozoïque Inférieur représentent les unités aquifères régionales. Les sédiments marins fins confinent la plus grande partie des aquifères régionaux. Les informations de base, collectées dans un SIG, ont été synthétisées dans un modèle numérique aux éléments finis. L’écoulement permanent régional, en zone saturée, a été calibré en conditions de stress en assumant une approche de milieu poreu équivalent. Les calculs du bilan hydrologique montrent que l’écoulement total des eaux souterraines dans les aquifères régionaux atteind 97,7 Mm3/an. L’infiltration à partir des précipitations apporte 86.6% de l’eau souterraine exploitée; sachant que 9,6% proviennent d’écoulement de subsurfaces, et que les 3,8% restants proviennent de la recharge via les eaux de surface. Le débit pompé des aquifères régionaux apparaît à travers l’écoulement des cours d’eau, le rabattement des eaux souterraines (18.4%), et l’écoulement ascendant (4.7%). La plataforma de Tierras Bajas San Lorenzo, Quebec, Canadá, es un área densamente poblada que depende fuertemente de recursos de agua subterránea. En 1999 el Servicio Geológico de Canadá inició un estudio de evaluación hidrogeológica a gran escala sobre un área de 1,500 km2 en la región noroeste de Montreal. Los objetivos fueron definir el flujo regional de agua subterránea y aportar estimados cuantitativos de los parámetros dinámicos de agua subterráne y de los recursos disponibles de agua subterránea. El enfoque aplicado consistió en definir el marco hidrogeológico, propiedades hidráulicas de las unidades acuíferas, y los componentes dinámicos de agua subterránea. Rocas sedimentarias del Paleozoico Inferior representan unidades regionales de acuíferos. Sedimentos fluvio-glaciares Cuaternarios gruesos sobreyacen localmente la secuencia rocosa y constituyen una unidad acuífera interfacial. Sedimentos marinos finos confinan la mayoría de acuíferos regionales. Información colectada basada en SIG se sintetizó en un modelo numérico de elemento finito. El flujo regional saturado en régimen permanente se calibró bajo condiciones de stress asumiendo un enfoque de medio poroso equivalente. Los cálculos de balance hídrico muestran que el flujo total de agua subterránea en acuíferos regional alcanza 97.7 Mm3/año. Infiltración a partir de lluvia aporta el 86.6% del abastecimiento al agua subterránea, mientras que el 9.6% proviene de entradas subsuperficiales y el restante 3.8% consiste de recarga inducida a partir de aguas superficiales. La descarga proveniente de acuíferos regionales ocurre a través de flujo a ríos (76.9%), utilización de agua subterránea (18.4%), y salida subterránea (4.7%).</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/4750292" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="26cd8bddef60c63bb1fd49150c7b355c" rel="nofollow" data-download="{"attachment_id":49645818,"asset_id":4750292,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/49645818/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="6086303" href="https://independent.academia.edu/AnaRivera4">Ana Rivera</a><script data-card-contents-for-user="6086303" type="text/json">{"id":6086303,"first_name":"Ana","last_name":"Rivera","domain_name":"independent","page_name":"AnaRivera4","display_name":"Ana Rivera","profile_url":"https://independent.academia.edu/AnaRivera4?f_ri=411","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_4750292 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="4750292"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 4750292, container: ".js-paper-rank-work_4750292", }); 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In 1999, the Geological Survey of Canada initiated a large-scale hydrogeological assessment study over a 1,500 km2 region northwest of Montreal. The objectives were to define the regional groundwater flow, and to give quantitative estimates of the groundwater dynamic parameters and of the available groundwater resources. The applied approach consisted of defining the hydrogeologic framework, hydraulic properties of the aquifer units, and groundwater dynamic components. Lower Paleozoic sedimentary rocks represent regional aquifer units. Coarse Quaternary fluvio-glacial sediments locally overlay the rock sequence and constitute an interface aquifer unit. Fine marine sediments confine most of the regional aquifers. Collected GIS based information was synthesized in a finite element numerical model. The regional saturated steady-state flow was calibrated under current stress conditions assuming an equivalent porous medium approach. Water budget calculations show that the total groundwater flow in regional aquifers amounts to 97.7 Mm3/y. Infiltration from precipitation provides 86.6% of the groundwater supply, while 9.6% comes from subsurface inflow and the remaining 3.8% is induced recharge from surface waters. Discharge from regional aquifers occurs through flow to streams (76.9%), groundwater withdrawal (18.4%), and underground outflow (4.7%). La plateforme Lowllands du Saint-Laurent, Québec, Canada, est une aire densément peuplée, dépendant grandement des ressources en eau souterraine. En 1999, le Service Géologique du Canada a initié une étude hydrogéologique à grande-échelle sur 1500 km2 au Nord-Ouest de Montréal. Le sobjectifs ont été de définir la dynamique de l’écoulement régional, et de donner des estimations quantitatives des paramètres dynamiques des ressources disponibles en eau souterraine. L’approche utilisée consista à définir le cadre hydrogéologique de travail, les propriétés hydrauliques des unités aquifères, et les composantes dynamiques des eaux souterraines. Les roches sédimentaires du Paléozoïque Inférieur représentent les unités aquifères régionales. Les sédiments marins fins confinent la plus grande partie des aquifères régionaux. Les informations de base, collectées dans un SIG, ont été synthétisées dans un modèle numérique aux éléments finis. L’écoulement permanent régional, en zone saturée, a été calibré en conditions de stress en assumant une approche de milieu poreu équivalent. Les calculs du bilan hydrologique montrent que l’écoulement total des eaux souterraines dans les aquifères régionaux atteind 97,7 Mm3/an. L’infiltration à partir des précipitations apporte 86.6% de l’eau souterraine exploitée; sachant que 9,6% proviennent d’écoulement de subsurfaces, et que les 3,8% restants proviennent de la recharge via les eaux de surface. Le débit pompé des aquifères régionaux apparaît à travers l’écoulement des cours d’eau, le rabattement des eaux souterraines (18.4%), et l’écoulement ascendant (4.7%). La plataforma de Tierras Bajas San Lorenzo, Quebec, Canadá, es un área densamente poblada que depende fuertemente de recursos de agua subterránea. En 1999 el Servicio Geológico de Canadá inició un estudio de evaluación hidrogeológica a gran escala sobre un área de 1,500 km2 en la región noroeste de Montreal. Los objetivos fueron definir el flujo regional de agua subterránea y aportar estimados cuantitativos de los parámetros dinámicos de agua subterráne y de los recursos disponibles de agua subterránea. El enfoque aplicado consistió en definir el marco hidrogeológico, propiedades hidráulicas de las unidades acuíferas, y los componentes dinámicos de agua subterránea. Rocas sedimentarias del Paleozoico Inferior representan unidades regionales de acuíferos. Sedimentos fluvio-glaciares Cuaternarios gruesos sobreyacen localmente la secuencia rocosa y constituyen una unidad acuífera interfacial. Sedimentos marinos finos confinan la mayoría de acuíferos regionales. Información colectada basada en SIG se sintetizó en un modelo numérico de elemento finito. El flujo regional saturado en régimen permanente se calibró bajo condiciones de stress asumiendo un enfoque de medio poroso equivalente. Los cálculos de balance hídrico muestran que el flujo total de agua subterránea en acuíferos regional alcanza 97.7 Mm3/año. Infiltración a partir de lluvia aporta el 86.6% del abastecimiento al agua subterránea, mientras que el 9.6% proviene de entradas subsuperficiales y el restante 3.8% consiste de recarga inducida a partir de aguas superficiales. La descarga proveniente de acuíferos regionales ocurre a través de flujo a ríos (76.9%), utilización de agua subterránea (18.4%), y salida subterránea (4.7%).","downloadable_attachments":[{"id":49645818,"asset_id":4750292,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":6086303,"first_name":"Ana","last_name":"Rivera","domain_name":"independent","page_name":"AnaRivera4","display_name":"Ana Rivera","profile_url":"https://independent.academia.edu/AnaRivera4?f_ri=411","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":23042,"name":"Finite Element","url":"https://www.academia.edu/Documents/in/Finite_Element?f_ri=411","nofollow":true},{"id":60658,"name":"Numerical Simulation","url":"https://www.academia.edu/Documents/in/Numerical_Simulation?f_ri=411"},{"id":142810,"name":"Surface Water","url":"https://www.academia.edu/Documents/in/Surface_Water?f_ri=411"},{"id":234860,"name":"Steady state","url":"https://www.academia.edu/Documents/in/Steady_state?f_ri=411"},{"id":333942,"name":"Marine Sediment","url":"https://www.academia.edu/Documents/in/Marine_Sediment?f_ri=411"},{"id":420417,"name":"Groundwater flow","url":"https://www.academia.edu/Documents/in/Groundwater_flow?f_ri=411"},{"id":497452,"name":"Numerical Model","url":"https://www.academia.edu/Documents/in/Numerical_Model?f_ri=411"},{"id":758278,"name":"Large Scale","url":"https://www.academia.edu/Documents/in/Large_Scale?f_ri=411"},{"id":771600,"name":"Porous Medium","url":"https://www.academia.edu/Documents/in/Porous_Medium?f_ri=411"},{"id":1726489,"name":"Water budget","url":"https://www.academia.edu/Documents/in/Water_budget?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_18116014" data-work_id="18116014" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/18116014/The_future_of_applied_tracers_in_hydrogeology">The future of applied tracers in hydrogeology</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/18116014" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="b512bc4ced36fd773244bbbb6e72b8a0" rel="nofollow" data-download="{"attachment_id":39883644,"asset_id":18116014,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/39883644/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="38066264" href="https://independent.academia.edu/CraigDivine">Craig Divine</a><script data-card-contents-for-user="38066264" type="text/json">{"id":38066264,"first_name":"Craig","last_name":"Divine","domain_name":"independent","page_name":"CraigDivine","display_name":"Craig Divine","profile_url":"https://independent.academia.edu/CraigDivine?f_ri=411","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_18116014 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="18116014"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 18116014, container: ".js-paper-rank-work_18116014", }); 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Mario Bettini e il moto perpetuo</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">La presente copia viene fornita all'autore non per scopi commerciali, ma solo per scopi didattici o scientifici senza fini di lucro. Non deve essere riprodotta o distribuita dall'autore Provided for non-commercial research and education... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_7833180" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">La presente copia viene fornita all'autore non per scopi commerciali, ma solo per scopi didattici o scientifici senza fini di lucro. Non deve essere riprodotta o distribuita dall'autore Provided for non-commercial research and education use. 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Mario Bettini e il moto perpetuo","created_at":"2014-07-31T09:19:07.141-07:00","url":"https://www.academia.edu/7833180/L_autarchia_delle_acque_Mario_Bettini_e_il_moto_perpetuo?f_ri=411","dom_id":"work_7833180","summary":"La presente copia viene fornita all'autore non per scopi commerciali, ma solo per scopi didattici o scientifici senza fini di lucro. Non deve essere riprodotta o distribuita dall'autore Provided for non-commercial research and education use. Not for reproduction, distribution or commercial use L'articolo è stato pubblicato sulla rivista Acque Sotterranee -Italian Journal of Groundwater edita dall'Associazione Acque Sotterranee. L'articolo può essere usato dall'autore per la didattica o per condividerlo con i colleghi. Non può essere riprodotto o inserito in siti web dell'autore o di terze parti nella forma pdf impaginata dalla Casa Editrice. Può altresì essere inserito in formato txt o Word nel sito dell'autore citando la rivista in cui è stato pubblicato e il DOI ad esso collegato This article appeared in Acque Sotterranee -Italian Journal of Groundwater published by Associazione Acque Sotterranee. The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution and sharing with colleagues. Other uses, including reproduction and distribution, or selling or licensing copies, or posting to personal, institutional or third party websites are prohibited.","downloadable_attachments":[{"id":34332472,"asset_id":7833180,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":972141,"first_name":"Francesco","last_name":"Luzzini","domain_name":"unisr","page_name":"FrancescoLuzzini","display_name":"Francesco Luzzini","profile_url":"https://unisr.academia.edu/FrancescoLuzzini?f_ri=411","photo":"https://0.academia-photos.com/972141/354109/149888785/s65_francesco.luzzini.jpg"}],"research_interests":[{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":2549,"name":"Hydrology","url":"https://www.academia.edu/Documents/in/Hydrology?f_ri=411","nofollow":true},{"id":3723,"name":"History of Science","url":"https://www.academia.edu/Documents/in/History_of_Science?f_ri=411","nofollow":true},{"id":7398,"name":"Jesuit history","url":"https://www.academia.edu/Documents/in/Jesuit_history?f_ri=411","nofollow":true},{"id":13310,"name":"History of Geology","url":"https://www.academia.edu/Documents/in/History_of_Geology?f_ri=411"},{"id":21063,"name":"Groundwater Hydrology","url":"https://www.academia.edu/Documents/in/Groundwater_Hydrology?f_ri=411"},{"id":406824,"name":"Perpetual Motion","url":"https://www.academia.edu/Documents/in/Perpetual_Motion?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_18644293 coauthored" data-work_id="18644293" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/18644293/Hydraulic_properties_and_scale_effects_investigation_in_regional_rock_aquifers_south_western_Quebec_Canada">Hydraulic properties and scale effects investigation in regional rock aquifers, south-western Quebec, Canada</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">This paper reports on the characterization of hydraulic properties of regional rock aquifers carried out within a groundwater resources assessment project in the St. Lawrence Lowlands of south-western Quebec. To understand the aquifer... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_18644293" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">This paper reports on the characterization of hydraulic properties of regional rock aquifers carried out within a groundwater resources assessment project in the St. Lawrence Lowlands of south-western Quebec. To understand the aquifer behavior at both the fracture level and at field scale, hydraulic investigations were carried out using various aquifer tests. The groundwater flow at the local scale is controlled mostly by the fracture system. Results of the constant-head injection tests show a weak decreasing trend of hydraulic conductivity with depth indicating that a major part of the groundwater flow occurs in the first meters of the rock sequence. At the regional scale, the equivalent porous media approach is applicable. The hydraulic conductivity measurements were correlated to the scale of the aquifer tests expressed with the investigated aquifer volume. A simple interpolation procedure for the hydraulic conductivity field was developed based on the distance between field measurements and the tested aquifer volumes. The regional distribution of the hydraulic conductivity for the major fractured aquifer units indicates that dolostone is the most permeable whereas sandstone and crystalline rocks are the least permeable units.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/18644293" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="ed8eddc3ee1a4f384be0efc56296f10b" rel="nofollow" data-download="{"attachment_id":40177376,"asset_id":18644293,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/40177376/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="38788743" href="https://inrs.academia.edu/RichardMartel">Richard Martel</a><script data-card-contents-for-user="38788743" type="text/json">{"id":38788743,"first_name":"Richard","last_name":"Martel","domain_name":"inrs","page_name":"RichardMartel","display_name":"Richard Martel","profile_url":"https://inrs.academia.edu/RichardMartel?f_ri=411","photo":"/images/s65_no_pic.png"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-18644293">+3</span><div class="hidden js-additional-users-18644293"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/MNastev">Miroslav Nastev</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://inrs.academia.edu/ReneLefebvre">Rene Lefebvre</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/PLapcevic">P. 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To understand the aquifer behavior at both the fracture level and at field scale, hydraulic investigations were carried out using various aquifer tests. The groundwater flow at the local scale is controlled mostly by the fracture system. Results of the constant-head injection tests show a weak decreasing trend of hydraulic conductivity with depth indicating that a major part of the groundwater flow occurs in the first meters of the rock sequence. At the regional scale, the equivalent porous media approach is applicable. The hydraulic conductivity measurements were correlated to the scale of the aquifer tests expressed with the investigated aquifer volume. A simple interpolation procedure for the hydraulic conductivity field was developed based on the distance between field measurements and the tested aquifer volumes. The regional distribution of the hydraulic conductivity for the major fractured aquifer units indicates that dolostone is the most permeable whereas sandstone and crystalline rocks are the least permeable units.","downloadable_attachments":[{"id":40177376,"asset_id":18644293,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":38788743,"first_name":"Richard","last_name":"Martel","domain_name":"inrs","page_name":"RichardMartel","display_name":"Richard Martel","profile_url":"https://inrs.academia.edu/RichardMartel?f_ri=411","photo":"/images/s65_no_pic.png"},{"id":38711936,"first_name":"Miroslav","last_name":"Nastev","domain_name":"independent","page_name":"MNastev","display_name":"Miroslav Nastev","profile_url":"https://independent.academia.edu/MNastev?f_ri=411","photo":"/images/s65_no_pic.png"},{"id":34196979,"first_name":"Rene","last_name":"Lefebvre","domain_name":"inrs","page_name":"ReneLefebvre","display_name":"Rene Lefebvre","profile_url":"https://inrs.academia.edu/ReneLefebvre?f_ri=411","photo":"/images/s65_no_pic.png"},{"id":38790793,"first_name":"P.","last_name":"Lapcevic","domain_name":"independent","page_name":"PLapcevic","display_name":"P. 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The non-linearities asso-3 ciated with unconfined (i.e., water... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_31360194" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">1 Abstract 1 Analytic and semi-analytic solution are often used by researchers and practicioners to esti-2 mate aquifer parameters from unconfined aquifer pumping tests. The non-linearities asso-3 ciated with unconfined (i.e., water table) aquifer tests makes their analysis more complex 4 than confined tests. Although analytical solutions for unconfined flow began in the mid-5 1800s with Dupuit, Thiem was possibly the first to use them to estimate aquifer parameters 6 from pumping tests in the early 1900s. In the 1950s, Boulton developed the first transient 7 well test solution specialized to unconfined flow. By the 1970s Neuman had developed solu-8 tions considering both primary transient storage mechanisms (confined storage and delayed 9 yield) without non-physical fitting parameters. In the last decade, research into developing 10 unconfined aquifer test solutions has mostly focused on explicitly coupling the aquifer with 11 the linearized vadose zone. Despite the many advanced solution methods available, there 12 still exists a need for realism to accurately simulate real-world aquifer tests. 13 2 Introduction 14 Pumping tests are widely used to obtain estimates of hydraulic parameters characteriz-15 ing flow and transport processes in subsurface (e.g., Kruseman and de Ridder [1990], Batu 16 [1998]). Hydraulic parameter estimates are often used in planning or engineering applica-17 tions to predict flow and design of aquifer extraction or recharge systems. During a typical 18 pumping test in a horizontally extensive aquifer, a well is pumped at constant volumetric 19 flow rate and head observations are made through time at one or more locations. Pumping 20 test data are presented as time-drawdown or distance-drawdown curves, which are fitted to 21 idealized models to estimate aquifer hydraulic properties. For unconfined aquifers properties 22 of interest include hydraulic conductivity, specific storage, specific yield, and possibly unsat-23 urated flow parameters. When estimating aquifer properties using pumping test drawdown 24 data, one can use a variety of analytical solutions involving different conceptualizations and 25 1 simplifiying assumptions. Analytical solutions are impacted by their simplifiying assump-26 tions, which limit their applicability to characterize certain types of unconfined aquifers. This 27 review presents the historical evolution of the scientific and engineering thoughts concerning 28 groundwater flow towards a pumping well in unconfined aquifers (also referred to variously 29 as gravity, phreatic, or water table aquifers) from the steady-state solutions of Dupuit to 30 the coupled transient saturated-unsaturated solutions. Although it is sometimes necessary 31</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/31360194" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="220e746e3b5379453b28b7d5aca047e8" rel="nofollow" data-download="{"attachment_id":51739576,"asset_id":31360194,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/51739576/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="59933207" href="https://fullerton.academia.edu/PhoolendraMishra">Phoolendra Mishra</a><script data-card-contents-for-user="59933207" type="text/json">{"id":59933207,"first_name":"Phoolendra","last_name":"Mishra","domain_name":"fullerton","page_name":"PhoolendraMishra","display_name":"Phoolendra Mishra","profile_url":"https://fullerton.academia.edu/PhoolendraMishra?f_ri=411","photo":"https://0.academia-photos.com/59933207/164475782/154289174/s65_phoolendra.mishra.jpeg"}</script></span></span></li><li class="js-paper-rank-work_31360194 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="31360194"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 31360194, container: ".js-paper-rank-work_31360194", }); });</script></li><li class="js-percentile-work_31360194 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 31360194; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_31360194"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_31360194 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="31360194"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 31360194; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=31360194]").text(description); $(".js-view-count-work_31360194").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_31360194").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="31360194"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i></div><span class="InlineList-item-text u-textTruncate u-pl6x"><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a><script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (false) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=31360194]'), work: {"id":31360194,"title":"Unconfined Aquifer Flow Theory: From Dupuit to Present","created_at":"2017-02-10T16:55:14.947-08:00","url":"https://www.academia.edu/31360194/Unconfined_Aquifer_Flow_Theory_From_Dupuit_to_Present?f_ri=411","dom_id":"work_31360194","summary":"1 Abstract 1 Analytic and semi-analytic solution are often used by researchers and practicioners to esti-2 mate aquifer parameters from unconfined aquifer pumping tests. The non-linearities asso-3 ciated with unconfined (i.e., water table) aquifer tests makes their analysis more complex 4 than confined tests. Although analytical solutions for unconfined flow began in the mid-5 1800s with Dupuit, Thiem was possibly the first to use them to estimate aquifer parameters 6 from pumping tests in the early 1900s. In the 1950s, Boulton developed the first transient 7 well test solution specialized to unconfined flow. By the 1970s Neuman had developed solu-8 tions considering both primary transient storage mechanisms (confined storage and delayed 9 yield) without non-physical fitting parameters. In the last decade, research into developing 10 unconfined aquifer test solutions has mostly focused on explicitly coupling the aquifer with 11 the linearized vadose zone. Despite the many advanced solution methods available, there 12 still exists a need for realism to accurately simulate real-world aquifer tests. 13 2 Introduction 14 Pumping tests are widely used to obtain estimates of hydraulic parameters characteriz-15 ing flow and transport processes in subsurface (e.g., Kruseman and de Ridder [1990], Batu 16 [1998]). Hydraulic parameter estimates are often used in planning or engineering applica-17 tions to predict flow and design of aquifer extraction or recharge systems. During a typical 18 pumping test in a horizontally extensive aquifer, a well is pumped at constant volumetric 19 flow rate and head observations are made through time at one or more locations. Pumping 20 test data are presented as time-drawdown or distance-drawdown curves, which are fitted to 21 idealized models to estimate aquifer hydraulic properties. For unconfined aquifers properties 22 of interest include hydraulic conductivity, specific storage, specific yield, and possibly unsat-23 urated flow parameters. When estimating aquifer properties using pumping test drawdown 24 data, one can use a variety of analytical solutions involving different conceptualizations and 25 1 simplifiying assumptions. Analytical solutions are impacted by their simplifiying assump-26 tions, which limit their applicability to characterize certain types of unconfined aquifers. This 27 review presents the historical evolution of the scientific and engineering thoughts concerning 28 groundwater flow towards a pumping well in unconfined aquifers (also referred to variously 29 as gravity, phreatic, or water table aquifers) from the steady-state solutions of Dupuit to 30 the coupled transient saturated-unsaturated solutions. Although it is sometimes necessary 31","downloadable_attachments":[{"id":51739576,"asset_id":31360194,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":59933207,"first_name":"Phoolendra","last_name":"Mishra","domain_name":"fullerton","page_name":"PhoolendraMishra","display_name":"Phoolendra Mishra","profile_url":"https://fullerton.academia.edu/PhoolendraMishra?f_ri=411","photo":"https://0.academia-photos.com/59933207/164475782/154289174/s65_phoolendra.mishra.jpeg"}],"research_interests":[{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_4475333" data-work_id="4475333" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/4475333/Exercices_et_problemes_dhydrogeologie_corriges">Exercices et problemes dhydrogeologie corriges</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/4475333" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="44f21e363087e16806286cc7fce12007" rel="nofollow" data-download="{"attachment_id":31880552,"asset_id":4475333,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/31880552/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="5531005" href="https://mentouri.academia.edu/ZakyZakaria">Zaky Zakaria</a><script data-card-contents-for-user="5531005" type="text/json">{"id":5531005,"first_name":"Zaky","last_name":"Zakaria","domain_name":"mentouri","page_name":"ZakyZakaria","display_name":"Zaky Zakaria","profile_url":"https://mentouri.academia.edu/ZakyZakaria?f_ri=411","photo":"https://0.academia-photos.com/5531005/2424342/2819894/s65_zaky.zakaria.jpg"}</script></span></span></li><li class="js-paper-rank-work_4475333 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="4475333"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 4475333, container: ".js-paper-rank-work_4475333", }); 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The objective was to assess the lithological and hydraulic properties of the uppermost 30 m of the subsoil in order to find the optimal depth and orientation of the 4 horizontal collector arms of the RCW.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/12520871" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="f296b6930cb771713218b59dc8a0aa35" rel="nofollow" data-download="{"attachment_id":46118618,"asset_id":12520871,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/46118618/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="31405521" href="https://independent.academia.edu/Veldkamp">Hans Veldkamp</a><script data-card-contents-for-user="31405521" type="text/json">{"id":31405521,"first_name":"Hans","last_name":"Veldkamp","domain_name":"independent","page_name":"Veldkamp","display_name":"Hans Veldkamp","profile_url":"https://independent.academia.edu/Veldkamp?f_ri=411","photo":"https://0.academia-photos.com/31405521/11252954/12555422/s65_hans.veldkamp.jpg"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-12520871">+2</span><div class="hidden js-additional-users-12520871"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://geologicalsurvey.academia.edu/PatrickKiden">Patrick Kiden</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://deltares.academia.edu/GLange">G. de Lange</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-12520871'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-12520871').html(); 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The objective was to assess the lithological and hydraulic properties of the uppermost 30 m of the subsoil in order to find the optimal depth and orientation of the 4 horizontal collector arms of the RCW.","downloadable_attachments":[{"id":46118618,"asset_id":12520871,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":31405521,"first_name":"Hans","last_name":"Veldkamp","domain_name":"independent","page_name":"Veldkamp","display_name":"Hans Veldkamp","profile_url":"https://independent.academia.edu/Veldkamp?f_ri=411","photo":"https://0.academia-photos.com/31405521/11252954/12555422/s65_hans.veldkamp.jpg"},{"id":4373241,"first_name":"Patrick","last_name":"Kiden","domain_name":"geologicalsurvey","page_name":"PatrickKiden","display_name":"Patrick Kiden","profile_url":"https://geologicalsurvey.academia.edu/PatrickKiden?f_ri=411","photo":"/images/s65_no_pic.png"},{"id":31524166,"first_name":"G.","last_name":"de Lange","domain_name":"deltares","page_name":"GLange","display_name":"G. de Lange","profile_url":"https://deltares.academia.edu/GLange?f_ri=411","photo":"https://0.academia-photos.com/31524166/13171477/14470518/s65_g..de_lange.jpg"}],"research_interests":[{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":3717,"name":"Geotechnical Engineering","url":"https://www.academia.edu/Documents/in/Geotechnical_Engineering?f_ri=411","nofollow":true},{"id":6951,"name":"Groundwater","url":"https://www.academia.edu/Documents/in/Groundwater?f_ri=411","nofollow":true},{"id":9261,"name":"Geostatistics","url":"https://www.academia.edu/Documents/in/Geostatistics?f_ri=411"},{"id":11820,"name":"Modeling and Simulation","url":"https://www.academia.edu/Documents/in/Modeling_and_Simulation?f_ri=411"},{"id":13191,"name":"Groundwater modeling","url":"https://www.academia.edu/Documents/in/Groundwater_modeling?f_ri=411"},{"id":47980,"name":"Data Visualization","url":"https://www.academia.edu/Documents/in/Data_Visualization?f_ri=411"},{"id":125163,"name":"Geotechnics","url":"https://www.academia.edu/Documents/in/Geotechnics?f_ri=411"},{"id":512616,"name":"Geomodeling","url":"https://www.academia.edu/Documents/in/Geomodeling?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_31510778" data-work_id="31510778" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/31510778/BBS_Singhal_a_legend_in_Indian_hydrogeology">BBS Singhal: a legend in Indian hydrogeology</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">If there is any name that is the most familiar in Indian hydrogeology, it's probably that of BBS Singhal (Brij Bhusan Saran Singhal; ). He spent 35 years of his life teaching hydrogeology at post-graduate level at the premier institutions... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_31510778" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">If there is any name that is the most familiar in Indian hydrogeology, it's probably that of BBS Singhal (Brij Bhusan Saran Singhal; ). He spent 35 years of his life teaching hydrogeology at post-graduate level at the premier institutions of the country. In almost all groundwater related meetings including national level interviews for selecting superior positions, one will find his familiar face beaming and talking hydrogeology. Most of the 20th century hydrogeologists are his students, and it is a fact that they feel proud of their association with him even as students.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/31510778" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="d043381caba54b5138187bccb6d81832" rel="nofollow" data-download="{"attachment_id":51855804,"asset_id":31510778,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/51855804/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="60298611" href="https://cgwb.academia.edu/PradeepNaik">Pradeep Naik</a><script data-card-contents-for-user="60298611" type="text/json">{"id":60298611,"first_name":"Pradeep","last_name":"Naik","domain_name":"cgwb","page_name":"PradeepNaik","display_name":"Pradeep Naik","profile_url":"https://cgwb.academia.edu/PradeepNaik?f_ri=411","photo":"https://0.academia-photos.com/60298611/42189291/112451423/s65_pradeep.naik.jpg"}</script></span></span></li><li class="js-paper-rank-work_31510778 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="31510778"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 31510778, container: ".js-paper-rank-work_31510778", }); 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$(".js-view-count[data-work-id=31510778]").text(description); $(".js-view-count-work_31510778").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_31510778").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="31510778"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">3</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="48" rel="nofollow" href="https://www.academia.edu/Documents/in/Engineering">Engineering</a>, <script data-card-contents-for-ri="48" type="text/json">{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="400" rel="nofollow" href="https://www.academia.edu/Documents/in/Earth_Sciences">Earth Sciences</a>, <script data-card-contents-for-ri="400" type="text/json">{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a><script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=31510778]'), work: {"id":31510778,"title":"BBS Singhal: a legend in Indian hydrogeology","created_at":"2017-02-18T20:26:41.213-08:00","url":"https://www.academia.edu/31510778/BBS_Singhal_a_legend_in_Indian_hydrogeology?f_ri=411","dom_id":"work_31510778","summary":"If there is any name that is the most familiar in Indian hydrogeology, it's probably that of BBS Singhal (Brij Bhusan Saran Singhal; ). He spent 35 years of his life teaching hydrogeology at post-graduate level at the premier institutions of the country. In almost all groundwater related meetings including national level interviews for selecting superior positions, one will find his familiar face beaming and talking hydrogeology. Most of the 20th century hydrogeologists are his students, and it is a fact that they feel proud of their association with him even as students.","downloadable_attachments":[{"id":51855804,"asset_id":31510778,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":60298611,"first_name":"Pradeep","last_name":"Naik","domain_name":"cgwb","page_name":"PradeepNaik","display_name":"Pradeep Naik","profile_url":"https://cgwb.academia.edu/PradeepNaik?f_ri=411","photo":"https://0.academia-photos.com/60298611/42189291/112451423/s65_pradeep.naik.jpg"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_30713535" data-work_id="30713535" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/30713535/Use_of_deuterated_water_as_a_conservative_artificial_groundwater_tracer">Use of deuterated water as a conservative artificial groundwater tracer</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">1] Tracer buoyancy has been shown to influence breakthrough from two-well tracer experiments conducted in porous media. Two-well tracer experiments are presented from fractured crystalline bedrock, in which the specific gravity of the... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_30713535" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">1] Tracer buoyancy has been shown to influence breakthrough from two-well tracer experiments conducted in porous media. Two-well tracer experiments are presented from fractured crystalline bedrock, in which the specific gravity of the tracer injectate varied from 1.0002 to 1.0133. Under the forced hydraulic conditions imposed, no difference in breakthrough was noted for the three experiments. These results show that even relatively dense tracer injectate solutions may have an insignificant effect on breakthrough when imposed gradients are sufficiently large.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/30713535" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="323d44a3f9fe85ff1eb45c6b962e4878" rel="nofollow" data-download="{"attachment_id":51161438,"asset_id":30713535,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/51161438/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="58498031" href="https://independent.academia.edu/JankoUrbanc">Janko Urbanc</a><script data-card-contents-for-user="58498031" type="text/json">{"id":58498031,"first_name":"Janko","last_name":"Urbanc","domain_name":"independent","page_name":"JankoUrbanc","display_name":"Janko Urbanc","profile_url":"https://independent.academia.edu/JankoUrbanc?f_ri=411","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_30713535 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="30713535"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 30713535, container: ".js-paper-rank-work_30713535", }); 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$(".js-view-count[data-work-id=30713535]").text(description); $(".js-view-count-work_30713535").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_30713535").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="30713535"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">6</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="48" rel="nofollow" href="https://www.academia.edu/Documents/in/Engineering">Engineering</a>, <script data-card-contents-for-ri="48" type="text/json">{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="400" rel="nofollow" href="https://www.academia.edu/Documents/in/Earth_Sciences">Earth Sciences</a>, <script data-card-contents-for-ri="400" type="text/json">{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a>, <script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="91257" rel="nofollow" href="https://www.academia.edu/Documents/in/Stable_Isotope">Stable Isotope</a><script data-card-contents-for-ri="91257" type="text/json">{"id":91257,"name":"Stable Isotope","url":"https://www.academia.edu/Documents/in/Stable_Isotope?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=30713535]'), work: {"id":30713535,"title":"Use of deuterated water as a conservative artificial groundwater tracer","created_at":"2017-01-03T02:21:19.150-08:00","url":"https://www.academia.edu/30713535/Use_of_deuterated_water_as_a_conservative_artificial_groundwater_tracer?f_ri=411","dom_id":"work_30713535","summary":"1] Tracer buoyancy has been shown to influence breakthrough from two-well tracer experiments conducted in porous media. Two-well tracer experiments are presented from fractured crystalline bedrock, in which the specific gravity of the tracer injectate varied from 1.0002 to 1.0133. Under the forced hydraulic conditions imposed, no difference in breakthrough was noted for the three experiments. These results show that even relatively dense tracer injectate solutions may have an insignificant effect on breakthrough when imposed gradients are sufficiently large.","downloadable_attachments":[{"id":51161438,"asset_id":30713535,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":58498031,"first_name":"Janko","last_name":"Urbanc","domain_name":"independent","page_name":"JankoUrbanc","display_name":"Janko Urbanc","profile_url":"https://independent.academia.edu/JankoUrbanc?f_ri=411","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":91257,"name":"Stable Isotope","url":"https://www.academia.edu/Documents/in/Stable_Isotope?f_ri=411","nofollow":true},{"id":193015,"name":"Solute transport","url":"https://www.academia.edu/Documents/in/Solute_transport?f_ri=411"},{"id":1434580,"name":"Breakthrough Curve","url":"https://www.academia.edu/Documents/in/Breakthrough_Curve?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_25111174" data-work_id="25111174" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/25111174/IMPACT_OF_HUMAN_ACTIVITY_ON_SOME_SUBSURFACE_WATER_RESOURCES_IN_TAIZ_CITY_YEMEN">IMPACT OF HUMAN ACTIVITY ON SOME SUBSURFACE WATER RESOURCES IN TAIZ CITY YEMEN</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Shortage of clean and safe water resources in Taiz Governorate, Yemen, represents an extremely important factor in the stability and an integral element in its economic development and prosperity. Groundwater is the main source of water... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_25111174" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Shortage of clean and safe water resources in Taiz Governorate, Yemen, represents an extremely important factor in the stability and an integral element in its economic development and prosperity. Groundwater is the main source of water in Yemen, in addition to surface water. Demands for fresh water will continue to rise since the area of study witnesses continuous development and depends on the available local water resources. In addition to the shortage of the water resources, the water quality problems are more severe in the study area. Major, minor and trace elements were determined in fifteen water samples, collected from different resources including some dug and drilled wells. Results indicate that down stream the groundwater quality gradually deteriorate due to infiltration of poorly treated wastewater discharging from uncontrolled domestic and industrial wastewater. All the studied water samples are not suitable for drinking but some of them may be used for irrigation occasionally in very special circumstances. At the present time, the government and scientific organizations in Yemen pay more attention to face the water demand.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/25111174" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="3bbec5c1706740cc7c89773af5acd657" rel="nofollow" data-download="{"attachment_id":45429233,"asset_id":25111174,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/45429233/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="12574213" href="https://taiz.academia.edu/EssamAlsharabi">Essam S . A . Al Sharabi</a><script data-card-contents-for-user="12574213" type="text/json">{"id":12574213,"first_name":"Essam","last_name":"Al Sharabi","domain_name":"taiz","page_name":"EssamAlsharabi","display_name":"Essam S . A . Al Sharabi","profile_url":"https://taiz.academia.edu/EssamAlsharabi?f_ri=411","photo":"https://0.academia-photos.com/12574213/3587388/14170735/s65_essam.alsharabi.jpg"}</script></span></span></li><li class="js-paper-rank-work_25111174 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="25111174"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 25111174, container: ".js-paper-rank-work_25111174", }); });</script></li><li class="js-percentile-work_25111174 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 25111174; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_25111174"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_25111174 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="25111174"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 25111174; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=25111174]").text(description); $(".js-view-count-work_25111174").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_25111174").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="25111174"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">6</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a>, <script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4523" rel="nofollow" href="https://www.academia.edu/Documents/in/Water_quality">Water quality</a>, <script data-card-contents-for-ri="4523" type="text/json">{"id":4523,"name":"Water quality","url":"https://www.academia.edu/Documents/in/Water_quality?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="6593" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrochemistry">Hydrochemistry</a>, <script data-card-contents-for-ri="6593" type="text/json">{"id":6593,"name":"Hydrochemistry","url":"https://www.academia.edu/Documents/in/Hydrochemistry?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="15231" rel="nofollow" href="https://www.academia.edu/Documents/in/Yemen">Yemen</a><script data-card-contents-for-ri="15231" type="text/json">{"id":15231,"name":"Yemen","url":"https://www.academia.edu/Documents/in/Yemen?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=25111174]'), work: {"id":25111174,"title":"IMPACT OF HUMAN ACTIVITY ON SOME SUBSURFACE WATER RESOURCES IN TAIZ CITY YEMEN","created_at":"2016-05-07T10:08:20.938-07:00","url":"https://www.academia.edu/25111174/IMPACT_OF_HUMAN_ACTIVITY_ON_SOME_SUBSURFACE_WATER_RESOURCES_IN_TAIZ_CITY_YEMEN?f_ri=411","dom_id":"work_25111174","summary":"Shortage of clean and safe water resources in Taiz Governorate, Yemen, represents an extremely important factor in the stability and an integral element in its economic development and prosperity. Groundwater is the main source of water in Yemen, in addition to surface water. Demands for fresh water will continue to rise since the area of study witnesses continuous development and depends on the available local water resources. In addition to the shortage of the water resources, the water quality problems are more severe in the study area. Major, minor and trace elements were determined in fifteen water samples, collected from different resources including some dug and drilled wells. Results indicate that down stream the groundwater quality gradually deteriorate due to infiltration of poorly treated wastewater discharging from uncontrolled domestic and industrial wastewater. All the studied water samples are not suitable for drinking but some of them may be used for irrigation occasionally in very special circumstances. At the present time, the government and scientific organizations in Yemen pay more attention to face the water demand.","downloadable_attachments":[{"id":45429233,"asset_id":25111174,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":12574213,"first_name":"Essam","last_name":"Al Sharabi","domain_name":"taiz","page_name":"EssamAlsharabi","display_name":"Essam S . A . Al Sharabi","profile_url":"https://taiz.academia.edu/EssamAlsharabi?f_ri=411","photo":"https://0.academia-photos.com/12574213/3587388/14170735/s65_essam.alsharabi.jpg"}],"research_interests":[{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":4523,"name":"Water quality","url":"https://www.academia.edu/Documents/in/Water_quality?f_ri=411","nofollow":true},{"id":6593,"name":"Hydrochemistry","url":"https://www.academia.edu/Documents/in/Hydrochemistry?f_ri=411","nofollow":true},{"id":15231,"name":"Yemen","url":"https://www.academia.edu/Documents/in/Yemen?f_ri=411","nofollow":true},{"id":21724,"name":"Water Pollution","url":"https://www.academia.edu/Documents/in/Water_Pollution?f_ri=411"},{"id":178963,"name":"Groundwater Quality","url":"https://www.academia.edu/Documents/in/Groundwater_Quality?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_43665008 coauthored" data-work_id="43665008" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/43665008/Hydrogeological_implications_of_fault_behaviour_from_in_situ_pressure_measurements_of_the_Horrane_Fault_in_the_Surat_Basin_Great_Artesian_Basin_Australia_">Hydrogeological implications of fault behaviour from in situ pressure measurements of the Horrane Fault in the Surat Basin (Great Artesian Basin, Australia)</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">In order to assess the impact of faulting on the production and compartmentalisation of a coal seam gas (CSG) reservoir, seismic reflection surveys and subsequent drilling were undertaken to locate and then intersect the Horrane Fault in... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_43665008" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">In order to assess the impact of faulting on the production and compartmentalisation of a coal seam gas (CSG) reservoir, seismic reflection surveys and subsequent drilling were undertaken to locate and then intersect the Horrane Fault in the eastern Surat Basin, in the Great Artesian Basin of Australia. The investigation of the Horrane Fault in the area of Cecil Plains on the Darling Downs identified faulting at depths of 50-600 m within the Walloon Coal Measures. Pressure data collected during the drilling show differential pressures on each side of the fault. The differential is interpreted to show depletion on the western side of the fault due to the CSG production field located west of the fault. On the eastern side of the fault, the pressures were near hydrostatic, and thus the fault is acting as a lateral seal. Regional modelling currently simulates faults as having permeability based upon the fraction of the units offset across the fault. This would lead to exaggerated predictions of impact not supported by the data from this study. Conceptual models of the Surat Basin are currently based upon the premise that connectivity by direct linkages due to the faults enhances groundwater-level changes due to water extraction and that the behaviour of the faults is poorly understood. This study represents the first detailed evaluation of fault behaviour in the eastern Surat Basin and can be used to update current conceptual models and inform regional groundwater impact assessments.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/43665008" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="114c66e740f76ffea869db1d6f03b829" rel="nofollow" data-download="{"attachment_id":63965990,"asset_id":43665008,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/63965990/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="42901037" href="https://uq.academia.edu/SMukherjee">Saswata Mukherjee</a><script data-card-contents-for-user="42901037" type="text/json">{"id":42901037,"first_name":"Saswata","last_name":"Mukherjee","domain_name":"uq","page_name":"SMukherjee","display_name":"Saswata Mukherjee","profile_url":"https://uq.academia.edu/SMukherjee?f_ri=411","photo":"https://0.academia-photos.com/42901037/46078685/35721692/s65_saswata.mukherjee.jpg"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-43665008">+1</span><div class="hidden js-additional-users-43665008"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/RobinViljoen">Robin Viljoen</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-43665008'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-43665008').html(); 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container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_43665008 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="43665008"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 43665008; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=43665008]").text(description); $(".js-view-count-work_43665008").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_43665008").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="43665008"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">3</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a>, <script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="21063" rel="nofollow" href="https://www.academia.edu/Documents/in/Groundwater_Hydrology">Groundwater Hydrology</a>, <script data-card-contents-for-ri="21063" type="text/json">{"id":21063,"name":"Groundwater Hydrology","url":"https://www.academia.edu/Documents/in/Groundwater_Hydrology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="760996" rel="nofollow" href="https://www.academia.edu/Documents/in/Coal_Seam_Gas">Coal Seam Gas</a><script data-card-contents-for-ri="760996" type="text/json">{"id":760996,"name":"Coal Seam Gas","url":"https://www.academia.edu/Documents/in/Coal_Seam_Gas?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=43665008]'), work: {"id":43665008,"title":"Hydrogeological implications of fault behaviour from in situ pressure measurements of the Horrane Fault in the Surat Basin (Great Artesian Basin, Australia)","created_at":"2020-07-19T17:11:01.668-07:00","url":"https://www.academia.edu/43665008/Hydrogeological_implications_of_fault_behaviour_from_in_situ_pressure_measurements_of_the_Horrane_Fault_in_the_Surat_Basin_Great_Artesian_Basin_Australia_?f_ri=411","dom_id":"work_43665008","summary":"In order to assess the impact of faulting on the production and compartmentalisation of a coal seam gas (CSG) reservoir, seismic reflection surveys and subsequent drilling were undertaken to locate and then intersect the Horrane Fault in the eastern Surat Basin, in the Great Artesian Basin of Australia. The investigation of the Horrane Fault in the area of Cecil Plains on the Darling Downs identified faulting at depths of 50-600 m within the Walloon Coal Measures. Pressure data collected during the drilling show differential pressures on each side of the fault. The differential is interpreted to show depletion on the western side of the fault due to the CSG production field located west of the fault. On the eastern side of the fault, the pressures were near hydrostatic, and thus the fault is acting as a lateral seal. Regional modelling currently simulates faults as having permeability based upon the fraction of the units offset across the fault. This would lead to exaggerated predictions of impact not supported by the data from this study. Conceptual models of the Surat Basin are currently based upon the premise that connectivity by direct linkages due to the faults enhances groundwater-level changes due to water extraction and that the behaviour of the faults is poorly understood. This study represents the first detailed evaluation of fault behaviour in the eastern Surat Basin and can be used to update current conceptual models and inform regional groundwater impact assessments.","downloadable_attachments":[{"id":63965990,"asset_id":43665008,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":42901037,"first_name":"Saswata","last_name":"Mukherjee","domain_name":"uq","page_name":"SMukherjee","display_name":"Saswata Mukherjee","profile_url":"https://uq.academia.edu/SMukherjee?f_ri=411","photo":"https://0.academia-photos.com/42901037/46078685/35721692/s65_saswata.mukherjee.jpg"},{"id":164722899,"first_name":"Robin","last_name":"Viljoen","domain_name":"independent","page_name":"RobinViljoen","display_name":"Robin Viljoen","profile_url":"https://independent.academia.edu/RobinViljoen?f_ri=411","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":21063,"name":"Groundwater Hydrology","url":"https://www.academia.edu/Documents/in/Groundwater_Hydrology?f_ri=411","nofollow":true},{"id":760996,"name":"Coal Seam Gas","url":"https://www.academia.edu/Documents/in/Coal_Seam_Gas?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_35141840" data-work_id="35141840" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/35141840/%D0%9E%D0%A6%D0%95%D0%9D%D0%9A%D0%90_%D0%A1%D0%9E%D0%92%D0%A0%D0%95%D0%9C%D0%95%D0%9D%D0%9D%D0%9E%D0%93%D0%9E_%D0%A1%D0%9E%D0%A1%D0%A2%D0%9E%D0%AF%D0%9D%D0%98%D0%AF_%D0%9C%D0%95%D0%A1%D0%A2%D0%9E%D0%A0%D0%9E%D0%96%D0%94%D0%95%D0%9D%D0%98%D0%99_%D0%9F%D0%9E%D0%94%D0%97%D0%95%D0%9C%D0%9D%D0%AB%D0%A5_%D0%92%D0%9E%D0%94_%D0%A0%D0%90%D0%92%D0%9D%D0%98%D0%9D%D0%9D%D0%9E%D0%93%D0%9E_%D0%9A%D0%A0%D0%AB%D0%9C%D0%90_%D0%92_%D0%9D%D0%95%D0%A0%D0%90%D0%A1%D0%9F%D0%A0%D0%95%D0%94%D0%95%D0%9B%D0%95%D0%9D%D0%9D%D0%9E%D0%9C_%D0%A4%D0%9E%D0%9D%D0%94%D0%95_%D0%9D%D0%95%D0%94%D0%A0">ОЦЕНКА СОВРЕМЕННОГО СОСТОЯНИЯ МЕСТОРОЖДЕНИЙ ПОДЗЕМНЫХ ВОД РАВНИННОГО КРЫМА В НЕРАСПРЕДЕЛЕННОМ ФОНДЕ НЕДР</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">В рамках государственной программы по охране окружающей среды и рациональному использованию природных ресурсов на 2015-2017 годы по всей территории Республики Крым производится переоценка запасов подземных вод. В свою очередь,... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_35141840" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">В рамках государственной программы по охране окружающей среды и рациональному использованию природных ресурсов на 2015-2017 годы по всей территории Республики Крым производится переоценка запасов подземных вод. В свою очередь, воссоединение Крыма с Российской Федерацией требует приведения эксплуатационных запасов подземных вод в соответствие с действующим законодательством. В связи с этим была проведена оценка современного состояния месторождений нераспределенного фонда недр (НФН) на территории Равнинного и частично Предгорного Крыма. Площадь работ охватывала центральную, западную и северо-восточную части территории Крымского полуострова.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/35141840" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="b0eaba84976949a22c99f8677127e6f8" rel="nofollow" data-download="{"attachment_id":55003451,"asset_id":35141840,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/55003451/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="62258366" href="https://independent.academia.edu/NikulinaM">M. Nikulina</a><script data-card-contents-for-user="62258366" type="text/json">{"id":62258366,"first_name":"M.","last_name":"Nikulina","domain_name":"independent","page_name":"NikulinaM","display_name":"M. Nikulina","profile_url":"https://independent.academia.edu/NikulinaM?f_ri=411","photo":"https://0.academia-photos.com/62258366/18302985/18270538/s65_m..nikulina.jpg"}</script></span></span></li><li class="js-paper-rank-work_35141840 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="35141840"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 35141840, container: ".js-paper-rank-work_35141840", }); });</script></li><li class="js-percentile-work_35141840 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 35141840; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_35141840"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_35141840 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="35141840"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 35141840; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=35141840]").text(description); $(".js-view-count-work_35141840").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_35141840").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="35141840"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">2</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a>, <script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4526" rel="nofollow" href="https://www.academia.edu/Documents/in/Water_resources">Water resources</a><script data-card-contents-for-ri="4526" type="text/json">{"id":4526,"name":"Water resources","url":"https://www.academia.edu/Documents/in/Water_resources?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=35141840]'), work: {"id":35141840,"title":"ОЦЕНКА СОВРЕМЕННОГО СОСТОЯНИЯ МЕСТОРОЖДЕНИЙ ПОДЗЕМНЫХ ВОД РАВНИННОГО КРЫМА В НЕРАСПРЕДЕЛЕННОМ ФОНДЕ НЕДР","created_at":"2017-11-14T02:27:08.837-08:00","url":"https://www.academia.edu/35141840/%D0%9E%D0%A6%D0%95%D0%9D%D0%9A%D0%90_%D0%A1%D0%9E%D0%92%D0%A0%D0%95%D0%9C%D0%95%D0%9D%D0%9D%D0%9E%D0%93%D0%9E_%D0%A1%D0%9E%D0%A1%D0%A2%D0%9E%D0%AF%D0%9D%D0%98%D0%AF_%D0%9C%D0%95%D0%A1%D0%A2%D0%9E%D0%A0%D0%9E%D0%96%D0%94%D0%95%D0%9D%D0%98%D0%99_%D0%9F%D0%9E%D0%94%D0%97%D0%95%D0%9C%D0%9D%D0%AB%D0%A5_%D0%92%D0%9E%D0%94_%D0%A0%D0%90%D0%92%D0%9D%D0%98%D0%9D%D0%9D%D0%9E%D0%93%D0%9E_%D0%9A%D0%A0%D0%AB%D0%9C%D0%90_%D0%92_%D0%9D%D0%95%D0%A0%D0%90%D0%A1%D0%9F%D0%A0%D0%95%D0%94%D0%95%D0%9B%D0%95%D0%9D%D0%9D%D0%9E%D0%9C_%D0%A4%D0%9E%D0%9D%D0%94%D0%95_%D0%9D%D0%95%D0%94%D0%A0?f_ri=411","dom_id":"work_35141840","summary":"В рамках государственной программы по охране окружающей среды и рациональному использованию природных ресурсов на 2015-2017 годы по всей территории Республики Крым производится переоценка запасов подземных вод. В свою очередь, воссоединение Крыма с Российской Федерацией требует приведения эксплуатационных запасов подземных вод в соответствие с действующим законодательством. В связи с этим была проведена оценка современного состояния месторождений нераспределенного фонда недр (НФН) на территории Равнинного и частично Предгорного Крыма. Площадь работ охватывала центральную, западную и северо-восточную части территории Крымского полуострова.","downloadable_attachments":[{"id":55003451,"asset_id":35141840,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":62258366,"first_name":"M.","last_name":"Nikulina","domain_name":"independent","page_name":"NikulinaM","display_name":"M. Nikulina","profile_url":"https://independent.academia.edu/NikulinaM?f_ri=411","photo":"https://0.academia-photos.com/62258366/18302985/18270538/s65_m..nikulina.jpg"}],"research_interests":[{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":4526,"name":"Water resources","url":"https://www.academia.edu/Documents/in/Water_resources?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_3612778" data-work_id="3612778" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/3612778/Debris_flows_dominated_fan_delta_system_at_Amalfi_Coast_Southern_Italy_">Debris-flows dominated fan delta system at Amalfi Coast, Southern Italy ?</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/3612778" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="348f08e21e758fafda5eb3502181f5c5" rel="nofollow" data-download="{"attachment_id":31305917,"asset_id":3612778,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/31305917/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="1308763" href="https://cnr-it.academia.edu/sabinaporfido">sabina porfido</a><script data-card-contents-for-user="1308763" type="text/json">{"id":1308763,"first_name":"sabina","last_name":"porfido","domain_name":"cnr-it","page_name":"sabinaporfido","display_name":"sabina porfido","profile_url":"https://cnr-it.academia.edu/sabinaporfido?f_ri=411","photo":"https://0.academia-photos.com/1308763/1299881/16671913/s65_sabina.porfido.jpg"}</script></span></span></li><li class="js-paper-rank-work_3612778 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="3612778"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 3612778, container: ".js-paper-rank-work_3612778", }); 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$(".js-view-count[data-work-id=3612778]").text(description); $(".js-view-count-work_3612778").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_3612778").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="3612778"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">4</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="408" rel="nofollow" href="https://www.academia.edu/Documents/in/Geomorphology">Geomorphology</a>, <script data-card-contents-for-ri="408" type="text/json">{"id":408,"name":"Geomorphology","url":"https://www.academia.edu/Documents/in/Geomorphology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a>, <script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="6808" rel="nofollow" href="https://www.academia.edu/Documents/in/Coastal_Geomorphology">Coastal Geomorphology</a>, <script data-card-contents-for-ri="6808" type="text/json">{"id":6808,"name":"Coastal Geomorphology","url":"https://www.academia.edu/Documents/in/Coastal_Geomorphology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="15816" rel="nofollow" href="https://www.academia.edu/Documents/in/Risk_and_Vulnerability_-_Natural_Hazards">Risk and Vulnerability - Natural Hazards</a><script data-card-contents-for-ri="15816" type="text/json">{"id":15816,"name":"Risk and Vulnerability - Natural Hazards","url":"https://www.academia.edu/Documents/in/Risk_and_Vulnerability_-_Natural_Hazards?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=3612778]'), work: {"id":3612778,"title":"Debris-flows dominated fan delta system at Amalfi Coast, Southern Italy ?","created_at":"2013-05-26T23:08:50.347-07:00","url":"https://www.academia.edu/3612778/Debris_flows_dominated_fan_delta_system_at_Amalfi_Coast_Southern_Italy_?f_ri=411","dom_id":"work_3612778","summary":null,"downloadable_attachments":[{"id":31305917,"asset_id":3612778,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":1308763,"first_name":"sabina","last_name":"porfido","domain_name":"cnr-it","page_name":"sabinaporfido","display_name":"sabina porfido","profile_url":"https://cnr-it.academia.edu/sabinaporfido?f_ri=411","photo":"https://0.academia-photos.com/1308763/1299881/16671913/s65_sabina.porfido.jpg"}],"research_interests":[{"id":408,"name":"Geomorphology","url":"https://www.academia.edu/Documents/in/Geomorphology?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":6808,"name":"Coastal Geomorphology","url":"https://www.academia.edu/Documents/in/Coastal_Geomorphology?f_ri=411","nofollow":true},{"id":15816,"name":"Risk and Vulnerability - Natural Hazards","url":"https://www.academia.edu/Documents/in/Risk_and_Vulnerability_-_Natural_Hazards?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_40677221" data-work_id="40677221" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/40677221/Using_Remote_Sensing_and_GIS_Technics_for_Fractures_Aquifers_identification_in_Zou_basin_Centre_Benin_">Using Remote Sensing and GIS Technics for Fractures Aquifers identification in Zou basin (Centre Benin)</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">In Zou catchment, the aquifers serving for drinking water supply are 80% fracture reservoirs. The current survey uses firstly images of the European satellite SENTINEL-1, Japanese PALSAR and American LANDSAT 8 to extract geological... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_40677221" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">In Zou catchment, the aquifers serving for drinking water supply are 80% fracture reservoirs. The current survey uses firstly images of the European satellite SENTINEL-1, Japanese PALSAR and American LANDSAT 8 to extract geological lineaments. Secondly, borehole data from the Water Resources Direction (DGRE) and geologic maps of OBEMINES have been used to characterize the fracture network aquifers. Filters like Gauss, Frost and Sobel is applied and it turns out that the main directions of the lineaments are N10, N60, N110, and N150. The classification of the borehole flow according to CIEH recommendation, reveals that the main direction’s lineaments and some neighbor classes such as N70, N90, and N170 are highly productive (more than 1320.86 gal.h-1). Whatever the geologic context, more than 85% of boreholes has very low to low flow (less than 660.43 gal.h-1). The rate of positive boreholes is 30% in basalt, granite, and rhyolite fractured aquifers and 40% in terrigenous deposit, quartzite and in Kandi fault’s mylonite. In spite of those low productivity values, the groundwater potential remains very useful for drinking water access in the Zou basin.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/40677221" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="3c2885b848765a0099efb774f4d1a04c" rel="nofollow" data-download="{"attachment_id":60959552,"asset_id":40677221,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/60959552/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="107213574" href="https://abomeycalavi.academia.edu/FrancisOUSSOU">Francis E . OUSSOU</a><script data-card-contents-for-user="107213574" type="text/json">{"id":107213574,"first_name":"Francis","last_name":"OUSSOU","domain_name":"abomeycalavi","page_name":"FrancisOUSSOU","display_name":"Francis E . OUSSOU","profile_url":"https://abomeycalavi.academia.edu/FrancisOUSSOU?f_ri=411","photo":"https://0.academia-photos.com/107213574/31512450/30224683/s65_francis.oussou.png"}</script></span></span></li><li class="js-paper-rank-work_40677221 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="40677221"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 40677221, container: ".js-paper-rank-work_40677221", }); });</script></li><li class="js-percentile-work_40677221 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 40677221; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_40677221"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_40677221 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="40677221"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 40677221; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=40677221]").text(description); $(".js-view-count-work_40677221").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_40677221").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="40677221"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">4</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a>, <script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="1252" rel="nofollow" href="https://www.academia.edu/Documents/in/Remote_Sensing">Remote Sensing</a>, <script data-card-contents-for-ri="1252" type="text/json">{"id":1252,"name":"Remote Sensing","url":"https://www.academia.edu/Documents/in/Remote_Sensing?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="706859" rel="nofollow" href="https://www.academia.edu/Documents/in/Basement_Aquifer">Basement Aquifer</a>, <script data-card-contents-for-ri="706859" type="text/json">{"id":706859,"name":"Basement Aquifer","url":"https://www.academia.edu/Documents/in/Basement_Aquifer?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="1009312" rel="nofollow" href="https://www.academia.edu/Documents/in/Geographic_Information_Systems_GIS_">Geographic Information Systems (GIS)</a><script data-card-contents-for-ri="1009312" type="text/json">{"id":1009312,"name":"Geographic Information Systems (GIS)","url":"https://www.academia.edu/Documents/in/Geographic_Information_Systems_GIS_?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=40677221]'), work: {"id":40677221,"title":"Using Remote Sensing and GIS Technics for Fractures Aquifers identification in Zou basin (Centre Benin)","created_at":"2019-10-20T06:39:37.601-07:00","url":"https://www.academia.edu/40677221/Using_Remote_Sensing_and_GIS_Technics_for_Fractures_Aquifers_identification_in_Zou_basin_Centre_Benin_?f_ri=411","dom_id":"work_40677221","summary":"In Zou catchment, the aquifers serving for drinking water supply are 80% fracture reservoirs. The current survey uses firstly images of the European satellite SENTINEL-1, Japanese PALSAR and American LANDSAT 8 to extract geological lineaments. Secondly, borehole data from the Water Resources Direction (DGRE) and geologic maps of OBEMINES have been used to characterize the fracture network aquifers. Filters like Gauss, Frost and Sobel is applied and it turns out that the main directions of the lineaments are N10, N60, N110, and N150. The classification of the borehole flow according to CIEH recommendation, reveals that the main direction’s lineaments and some neighbor classes such as N70, N90, and N170 are highly productive (more than 1320.86 gal.h-1). Whatever the geologic context, more than 85% of boreholes has very low to low flow (less than 660.43 gal.h-1). The rate of positive boreholes is 30% in basalt, granite, and rhyolite fractured aquifers and 40% in terrigenous deposit, quartzite and in Kandi fault’s mylonite. In spite of those low productivity values, the groundwater potential remains very useful for drinking water access in the Zou basin.","downloadable_attachments":[{"id":60959552,"asset_id":40677221,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":107213574,"first_name":"Francis","last_name":"OUSSOU","domain_name":"abomeycalavi","page_name":"FrancisOUSSOU","display_name":"Francis E . OUSSOU","profile_url":"https://abomeycalavi.academia.edu/FrancisOUSSOU?f_ri=411","photo":"https://0.academia-photos.com/107213574/31512450/30224683/s65_francis.oussou.png"}],"research_interests":[{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":1252,"name":"Remote Sensing","url":"https://www.academia.edu/Documents/in/Remote_Sensing?f_ri=411","nofollow":true},{"id":706859,"name":"Basement Aquifer","url":"https://www.academia.edu/Documents/in/Basement_Aquifer?f_ri=411","nofollow":true},{"id":1009312,"name":"Geographic Information Systems (GIS)","url":"https://www.academia.edu/Documents/in/Geographic_Information_Systems_GIS_?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_38101425" data-work_id="38101425" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/38101425/Ralf_Dannowski_M%C3%BCncheberg_Der_Mythos_vom_Stromfaden_im_Grundwasser_eine_handfeste_hydrologische_Fehlkonzeption_auf_dem_Vormarsch">Ralf Dannowski, Müncheberg. Der Mythos vom "Stromfaden" im Grundwasser – eine handfeste hydrologische Fehlkonzeption auf dem Vormarsch</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Das „ungehinderte Fließen“ von Grundwasser: Vor mehr als zwei Jahrzehnten griff Klemeš (1986) in einem sehr nachdenklich stimmenden, nichtsdestoweniger kurzweiligen und insgesamt lehrreichen Beitrag das Problem der Verbreitung... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_38101425" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Das „ungehinderte Fließen“ von Grundwasser: Vor mehr als zwei Jahrzehnten griff Klemeš (1986) in einem sehr nachdenklich stimmenden, nichtsdestoweniger kurzweiligen und insgesamt lehrreichen Beitrag das Problem der Verbreitung hydrologischer Fehlkonzeptionen auf. Hauptursache waren seiner Einschätzung nach die mangelhafte universitäre Vorbildung und der überwiegend zufallsbestimmte Berufseinstieg der seinerzeit praktizierenden Hydrologen. Wie steht es damit im heutigen Deutschland?</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/38101425" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="610f6425f340c2990b412951bfaf6a3c" rel="nofollow" data-download="{"attachment_id":58130174,"asset_id":38101425,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/58130174/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="71493746" href="https://independent.academia.edu/RalfDannowski">Ralf Dannowski</a><script data-card-contents-for-user="71493746" type="text/json">{"id":71493746,"first_name":"Ralf","last_name":"Dannowski","domain_name":"independent","page_name":"RalfDannowski","display_name":"Ralf Dannowski","profile_url":"https://independent.academia.edu/RalfDannowski?f_ri=411","photo":"https://0.academia-photos.com/71493746/18478042/23375189/s65_ralf.dannowski.jpg"}</script></span></span></li><li class="js-paper-rank-work_38101425 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="38101425"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 38101425, container: ".js-paper-rank-work_38101425", }); 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Der Mythos vom \"Stromfaden\" im Grundwasser – eine handfeste hydrologische Fehlkonzeption auf dem Vormarsch","created_at":"2019-01-07T02:18:31.747-08:00","url":"https://www.academia.edu/38101425/Ralf_Dannowski_M%C3%BCncheberg_Der_Mythos_vom_Stromfaden_im_Grundwasser_eine_handfeste_hydrologische_Fehlkonzeption_auf_dem_Vormarsch?f_ri=411","dom_id":"work_38101425","summary":"Das „ungehinderte Fließen“ von Grundwasser: Vor mehr als zwei Jahrzehnten griff Klemeš (1986) in einem sehr nachdenklich stimmenden, nichtsdestoweniger kurzweiligen und insgesamt lehrreichen Beitrag das Problem der Verbreitung hydrologischer Fehlkonzeptionen auf. Hauptursache waren seiner Einschätzung nach die mangelhafte universitäre Vorbildung und der überwiegend zufallsbestimmte Berufseinstieg der seinerzeit praktizierenden Hydrologen. Wie steht es damit im heutigen Deutschland?","downloadable_attachments":[{"id":58130174,"asset_id":38101425,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":71493746,"first_name":"Ralf","last_name":"Dannowski","domain_name":"independent","page_name":"RalfDannowski","display_name":"Ralf Dannowski","profile_url":"https://independent.academia.edu/RalfDannowski?f_ri=411","photo":"https://0.academia-photos.com/71493746/18478042/23375189/s65_ralf.dannowski.jpg"}],"research_interests":[{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":112147,"name":"Misconception","url":"https://www.academia.edu/Documents/in/Misconception?f_ri=411","nofollow":true},{"id":370933,"name":"Practitioners","url":"https://www.academia.edu/Documents/in/Practitioners?f_ri=411","nofollow":true},{"id":1121494,"name":"Student","url":"https://www.academia.edu/Documents/in/Student?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_31477868" data-work_id="31477868" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/31477868/Opini_Menjaga_Sumberdaya_Air_Tanah">Opini Menjaga Sumberdaya Air Tanah</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/31477868" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="f584b3fc669fe15f2a3e5c0f588efda2" rel="nofollow" data-download="{"attachment_id":51830349,"asset_id":31477868,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/51830349/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="19064411" href="https://ugm.academia.edu/HeruHendrayana">Heru Hendrayana</a><script data-card-contents-for-user="19064411" type="text/json">{"id":19064411,"first_name":"Heru","last_name":"Hendrayana","domain_name":"ugm","page_name":"HeruHendrayana","display_name":"Heru Hendrayana","profile_url":"https://ugm.academia.edu/HeruHendrayana?f_ri=411","photo":"https://0.academia-photos.com/19064411/5291925/7684507/s65_heru.hendrayana.jpg"}</script></span></span></li><li class="js-paper-rank-work_31477868 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="31477868"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 31477868, container: ".js-paper-rank-work_31477868", }); 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They have cylindrical vertical walls lined with brick or concrete. The well bottom is partially filled with aquifer material... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_21774092" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Large diameter fully cased wells that gain water from the bottom are often dug in sandy and collapsible aquifers. They have cylindrical vertical walls lined with brick or concrete. The well bottom is partially filled with aquifer material through which the flow is vertically upward. When the vertical hydraulic gradient reaches a critical value, quicksand occurs and the well structure can be destroyed. Another difficulty encountered is drawdown in the wellbore and the drying up of the well. To overcome these problems, the flow around and beneath these wells is numerically simulated. The simulation results are used to investigate the effect of well and aquifer parameters on quicksand and drawdown. For practical purposes, the dimensionless drawdown-time and dimensionless vertical gradient-time curves are developed. It was found that the ratio of filling material thickness to well radius affects the shape of these type curves. The type curves may be used to predict the time after pumping commences when quicksand occurs and the well dries up. They are also useful to design the safe pumping rate and duration as well as the optimum well radius. These are demonstrated by analyzing the pumping test data from a case study in the arid Chah Kutah region, southern Iran.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/21774092" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="97652844fbfdf1e94790dbd1efb7b4b7" rel="nofollow" data-download="{"attachment_id":42541845,"asset_id":21774092,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/42541845/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="42987802" href="https://uwaterloo.academia.edu/MazdaKompanizare">Mazda Kompanizare</a><script data-card-contents-for-user="42987802" type="text/json">{"id":42987802,"first_name":"Mazda","last_name":"Kompanizare","domain_name":"uwaterloo","page_name":"MazdaKompanizare","display_name":"Mazda Kompanizare","profile_url":"https://uwaterloo.academia.edu/MazdaKompanizare?f_ri=411","photo":"https://0.academia-photos.com/42987802/11530191/12859556/s65_mazda.kompanizare.jpg"}</script></span></span></li><li class="js-paper-rank-work_21774092 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="21774092"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 21774092, container: ".js-paper-rank-work_21774092", }); 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They have cylindrical vertical walls lined with brick or concrete. The well bottom is partially filled with aquifer material through which the flow is vertically upward. When the vertical hydraulic gradient reaches a critical value, quicksand occurs and the well structure can be destroyed. Another difficulty encountered is drawdown in the wellbore and the drying up of the well. To overcome these problems, the flow around and beneath these wells is numerically simulated. The simulation results are used to investigate the effect of well and aquifer parameters on quicksand and drawdown. For practical purposes, the dimensionless drawdown-time and dimensionless vertical gradient-time curves are developed. It was found that the ratio of filling material thickness to well radius affects the shape of these type curves. The type curves may be used to predict the time after pumping commences when quicksand occurs and the well dries up. They are also useful to design the safe pumping rate and duration as well as the optimum well radius. These are demonstrated by analyzing the pumping test data from a case study in the arid Chah Kutah region, southern Iran.","downloadable_attachments":[{"id":42541845,"asset_id":21774092,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":42987802,"first_name":"Mazda","last_name":"Kompanizare","domain_name":"uwaterloo","page_name":"MazdaKompanizare","display_name":"Mazda Kompanizare","profile_url":"https://uwaterloo.academia.edu/MazdaKompanizare?f_ri=411","photo":"https://0.academia-photos.com/42987802/11530191/12859556/s65_mazda.kompanizare.jpg"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":60658,"name":"Numerical Simulation","url":"https://www.academia.edu/Documents/in/Numerical_Simulation?f_ri=411","nofollow":true},{"id":314103,"name":"Inverse Modeling","url":"https://www.academia.edu/Documents/in/Inverse_Modeling?f_ri=411"},{"id":420417,"name":"Groundwater flow","url":"https://www.academia.edu/Documents/in/Groundwater_flow?f_ri=411"},{"id":885650,"name":"Quicksand","url":"https://www.academia.edu/Documents/in/Quicksand?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_70110880" data-work_id="70110880" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" rel="nofollow" href="https://www.academia.edu/70110880/Reservoir_Rock_Typing_in_a_Carbonate_Reservoir_Cooperation_of_Core_and_Log_Data_Case_Study">Reservoir Rock Typing in a Carbonate Reservoir—Cooperation of Core and Log Data: Case Study</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Copyright 2009, Society of Petroleum Engineers This paper was prepared for presentation at the 2009 SPE/EAGE Reservoir Characterization and Simulation Conference held in Abu Dhabi, UAE, 1921 October 2009. This paper was selected for... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_70110880" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Copyright 2009, Society of Petroleum Engineers This paper was prepared for presentation at the 2009 SPE/EAGE Reservoir Characterization and Simulation Conference held in Abu Dhabi, UAE, 1921 October 2009. 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This paper was selected for presentation by an SPE ...","downloadable_attachments":[],"ordered_authors":[{"id":198344,"first_name":"Riyaz","last_name":"Kharrat","domain_name":"put-ir","page_name":"RiazKharrat","display_name":"Riyaz 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class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest">This is a report on the contamination of an ideal system for tutorial and exemplary purposes.</div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/33406214" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="d472df518eb97553100a0c720729a037" rel="nofollow" data-download="{"attachment_id":53460549,"asset_id":33406214,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" 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work: {"id":33406214,"title":"Analysis of a Shallow Sand Aquifer Contaminated with Carbon Tetrachloride.pdf","created_at":"2017-06-10T14:33:26.182-07:00","url":"https://www.academia.edu/33406214/Analysis_of_a_Shallow_Sand_Aquifer_Contaminated_with_Carbon_Tetrachloride_pdf?f_ri=411","dom_id":"work_33406214","summary":"This is a report on the contamination of an ideal system for tutorial and exemplary purposes.","downloadable_attachments":[{"id":53460549,"asset_id":33406214,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":33995800,"first_name":"Evan","last_name":"Weinberg","domain_name":"utoronto","page_name":"EvanWeinberg","display_name":"Evan Weinberg","profile_url":"https://utoronto.academia.edu/EvanWeinberg?f_ri=411","photo":"https://0.academia-photos.com/33995800/9988470/17480017/s65_evan.weinberg.jpg"}],"research_interests":[{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":9702,"name":"Groundwater Contamination","url":"https://www.academia.edu/Documents/in/Groundwater_Contamination?f_ri=411","nofollow":true},{"id":13191,"name":"Groundwater modeling","url":"https://www.academia.edu/Documents/in/Groundwater_modeling?f_ri=411","nofollow":true},{"id":676443,"name":"Groundwater Remediaton","url":"https://www.academia.edu/Documents/in/Groundwater_Remediaton?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_70428361" data-work_id="70428361" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/70428361/Conservation_planning_as_an_adaptive_strategy_for_climate_change_and_groundwater_depletion_in_Wadi_El_Natrun_Egypt">Conservation planning as an adaptive strategy for climate change and groundwater depletion in Wadi El Natrun, Egypt</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">In drylands, groundwater is often the sole source of freshwater for industrial, domestic and agricultural uses, while concurrently supporting ecosystems. Many dryland aquifers are becoming depleted due to over-pumping and a lack of... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_70428361" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">In drylands, groundwater is often the sole source of freshwater for industrial, domestic and agricultural uses, while concurrently supporting ecosystems. Many dryland aquifers are becoming depleted due to over-pumping and a lack of natural recharge, resulting in loss of storage and future water supplies, water-level declines that reduce access to freshwater, water quality problems, and, in extreme cases, geologic hazards. Conservation is often proposed as a strategy for managing groundwater to reduce or reverse the depletion, although there is a need to better understand its potential effectiveness and benefits at the local scale. This study assesses the impact of water-conservation planning strategies on groundwater resources in the Wadi El Natrun (WEN) area of northern Egypt. WEN has been subjected to groundwater depletion and quality degradation since the 1990s, attributed to agricultural and industrial groundwater usage. Initiatives have been proposed to increase the sustainabil...</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/70428361" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="0aad2c91b48a77f33e2065cfdfba1f4c" rel="nofollow" data-download="{"attachment_id":80185394,"asset_id":70428361,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/80185394/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="7791813" href="https://independent.academia.edu/Boshrasalem">Boshra salem</a><script data-card-contents-for-user="7791813" type="text/json">{"id":7791813,"first_name":"Boshra","last_name":"salem","domain_name":"independent","page_name":"Boshrasalem","display_name":"Boshra salem","profile_url":"https://independent.academia.edu/Boshrasalem?f_ri=411","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_70428361 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="70428361"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 70428361, container: ".js-paper-rank-work_70428361", }); 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Many dryland aquifers are becoming depleted due to over-pumping and a lack of natural recharge, resulting in loss of storage and future water supplies, water-level declines that reduce access to freshwater, water quality problems, and, in extreme cases, geologic hazards. Conservation is often proposed as a strategy for managing groundwater to reduce or reverse the depletion, although there is a need to better understand its potential effectiveness and benefits at the local scale. This study assesses the impact of water-conservation planning strategies on groundwater resources in the Wadi El Natrun (WEN) area of northern Egypt. WEN has been subjected to groundwater depletion and quality degradation since the 1990s, attributed to agricultural and industrial groundwater usage. Initiatives have been proposed to increase the sustainabil...","downloadable_attachments":[{"id":80185394,"asset_id":70428361,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":7791813,"first_name":"Boshra","last_name":"salem","domain_name":"independent","page_name":"Boshrasalem","display_name":"Boshra salem","profile_url":"https://independent.academia.edu/Boshrasalem?f_ri=411","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":402,"name":"Environmental Science","url":"https://www.academia.edu/Documents/in/Environmental_Science?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_66565181" data-work_id="66565181" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/66565181/The_environmental_hazards_of_locating_wastewater_impoundments_in_karst_terrain">The environmental hazards of locating wastewater impoundments in karst terrain</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">A wastewater storage lagoon failed due to the development of a sinkhole at a site in the Lehigh River valley in Allentown, Pennsylvania (PA). The polluted wastewater from the lagoon entered into the underlying aquifer and moved within a... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_66565181" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">A wastewater storage lagoon failed due to the development of a sinkhole at a site in the Lehigh River valley in Allentown, Pennsylvania (PA). The polluted wastewater from the lagoon entered into the underlying aquifer and moved within a narrow pathway controlled by cracks, fissures, and solution channels within the karstified Allentown Formation of the Cambrian Period. The Allentown Formation serves as the principal aquifer for the public water supply of the area. To develop appropriate remedial measures, a thorough understanding of the geologic setting was required. Therefore, a geologic and hydrogeologic characterization of the area was completed, aerial photography and satellite imagery interpretations were performed, stratigraphic core holes were drilled and geophysically logged, and the data correlated to define structural control and movement of ground water and pollutants. A number of wells were drilled and constructed, and water levels were monitored on a continuous basis to correlate with climatic changes and determine the direction of flow. Water samples were collected periodically and analyzed to delineate the vertical and lateral extent of migration of pollutants. Five saturated (water-bearing) zones were identified within the bedrock based on the analysis of cores and interpretation of geophysical logs. Ground water in the lower zones is polluted; the concentration of pollution increases with depth. Monitoring stations were established in the creek, south of the site, to measure flow rate several times during different seasons, and at different reaches, to determine the losing and gaining sections of the creek. Pumping tests were conducted to determine hydraulic characteristics of the aquifer. Based on the hydrogeologic model of the karstified aquifer, flow regime and structural control, a plan of action was defined and initiated to remediate the aquifer. The ground water is being remediated using a pump and treat methodology. The cleanup effort is continuous and the pollutant level is fluctuating with an overall-declining trend. The application of this technology has also created a pressure trough, thereby controlling off the site migration of pollutants.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/66565181" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="6fb3710a9886aa80ffa9f8766c4d7abf" rel="nofollow" data-download="{"attachment_id":77707083,"asset_id":66565181,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/77707083/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="67544401" href="https://independent.academia.edu/PittsMary">Mary Pitts</a><script data-card-contents-for-user="67544401" type="text/json">{"id":67544401,"first_name":"Mary","last_name":"Pitts","domain_name":"independent","page_name":"PittsMary","display_name":"Mary Pitts","profile_url":"https://independent.academia.edu/PittsMary?f_ri=411","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_66565181 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="66565181"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 66565181, container: ".js-paper-rank-work_66565181", }); 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The polluted wastewater from the lagoon entered into the underlying aquifer and moved within a narrow pathway controlled by cracks, fissures, and solution channels within the karstified Allentown Formation of the Cambrian Period. The Allentown Formation serves as the principal aquifer for the public water supply of the area. To develop appropriate remedial measures, a thorough understanding of the geologic setting was required. Therefore, a geologic and hydrogeologic characterization of the area was completed, aerial photography and satellite imagery interpretations were performed, stratigraphic core holes were drilled and geophysically logged, and the data correlated to define structural control and movement of ground water and pollutants. A number of wells were drilled and constructed, and water levels were monitored on a continuous basis to correlate with climatic changes and determine the direction of flow. Water samples were collected periodically and analyzed to delineate the vertical and lateral extent of migration of pollutants. Five saturated (water-bearing) zones were identified within the bedrock based on the analysis of cores and interpretation of geophysical logs. Ground water in the lower zones is polluted; the concentration of pollution increases with depth. Monitoring stations were established in the creek, south of the site, to measure flow rate several times during different seasons, and at different reaches, to determine the losing and gaining sections of the creek. Pumping tests were conducted to determine hydraulic characteristics of the aquifer. Based on the hydrogeologic model of the karstified aquifer, flow regime and structural control, a plan of action was defined and initiated to remediate the aquifer. The ground water is being remediated using a pump and treat methodology. The cleanup effort is continuous and the pollutant level is fluctuating with an overall-declining trend. The application of this technology has also created a pressure trough, thereby controlling off the site migration of pollutants.","downloadable_attachments":[{"id":77707083,"asset_id":66565181,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":67544401,"first_name":"Mary","last_name":"Pitts","domain_name":"independent","page_name":"PittsMary","display_name":"Mary Pitts","profile_url":"https://independent.academia.edu/PittsMary?f_ri=411","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":73,"name":"Civil Engineering","url":"https://www.academia.edu/Documents/in/Civil_Engineering?f_ri=411","nofollow":true},{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":1512,"name":"Climate Change","url":"https://www.academia.edu/Documents/in/Climate_Change?f_ri=411","nofollow":true},{"id":14946,"name":"Structural Control","url":"https://www.academia.edu/Documents/in/Structural_Control?f_ri=411"},{"id":20564,"name":"Engineering Geology","url":"https://www.academia.edu/Documents/in/Engineering_Geology?f_ri=411"},{"id":50711,"name":"Risk Analysis","url":"https://www.academia.edu/Documents/in/Risk_Analysis?f_ri=411"},{"id":57433,"name":"Seasonality","url":"https://www.academia.edu/Documents/in/Seasonality?f_ri=411"},{"id":65757,"name":"Wastewater","url":"https://www.academia.edu/Documents/in/Wastewater?f_ri=411"},{"id":81846,"name":"Aerial Photography","url":"https://www.academia.edu/Documents/in/Aerial_Photography?f_ri=411"},{"id":88279,"name":"Environmental Hazards","url":"https://www.academia.edu/Documents/in/Environmental_Hazards?f_ri=411"},{"id":110290,"name":"Karst","url":"https://www.academia.edu/Documents/in/Karst?f_ri=411"},{"id":113556,"name":"Ground Water","url":"https://www.academia.edu/Documents/in/Ground_Water?f_ri=411"},{"id":208877,"name":"Satellite Imagery","url":"https://www.academia.edu/Documents/in/Satellite_Imagery?f_ri=411"},{"id":209324,"name":"Aquifers","url":"https://www.academia.edu/Documents/in/Aquifers?f_ri=411"},{"id":341079,"name":"Storage","url":"https://www.academia.edu/Documents/in/Storage?f_ri=411"},{"id":394912,"name":"Flow Regime","url":"https://www.academia.edu/Documents/in/Flow_Regime?f_ri=411"},{"id":414914,"name":"Waste Water","url":"https://www.academia.edu/Documents/in/Waste_Water?f_ri=411"},{"id":898062,"name":"Flow Rate","url":"https://www.academia.edu/Documents/in/Flow_Rate?f_ri=411"},{"id":1292685,"name":"Site Analysis","url":"https://www.academia.edu/Documents/in/Site_Analysis?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_49699523" data-work_id="49699523" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/49699523/Tracing_natural_groundwater_recharge_to_the_Thiaroye_aquifer_of_Dakar_Senegal">Tracing natural groundwater recharge to the Thiaroye aquifer of Dakar, Senegal</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Urban groundwater in Sub-Saharan Africa provides vital freshwater to rapidly growing cities. In the Thiaroye aquifer of Dakar (Senegal), groundwater within Quaternary unconsolidated sands provided nearly half of the city's water supply... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_49699523" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Urban groundwater in Sub-Saharan Africa provides vital freshwater to rapidly growing cities. In the Thiaroye aquifer of Dakar (Senegal), groundwater within Quaternary unconsolidated sands provided nearly half of the city's water supply into the 1980s. Rising nitrate concentrations traced to faecal contamination sharply curtailed groundwater withdrawals, which now contribute just 5% to Dakar's water supply. To understand the attenuation capacity of this urban aquifer under a monsoonal semi-arid climate, stable-isotope ratios of O and H and radioactive tritium (3 H), compiled over several studies, are used together with piezometric data to trace the origin of groundwater recharge and groundwater flowpaths. Shallow groundwaters derive predominantly from modern rainfall (tritium >2 TU in 85% of sampled wells). δ 18 O and δ 2 H values in groundwater vary by >4 and 20‰, respectively, reflecting substantial variability in evaporative enrichment prior to recharge. These signatures in groundwater regress to a value on the local meteoric water line that is depleted in heavy isotopes relative to the weighted-mean average composition of local rainfall, a bias that suggests recharge derives preferentially from isotopically depleted rainfall observed during the latter part of the monsoon (September). The distribution of tritium in groundwater is consistent with groundwater flowpaths to seasonal lakes and wetlands, defined by piezometric records. Piezometric data further confirm the diffuse nature and seasonality of rain-fed recharge. The conceptual understanding of groundwater recharge and flow provides a context to evaluate attenuation of anthropogenic recharge that is effectively diffuse and constant from the vast network of sanitation facilities that drain to this aquifer.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/49699523" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="b48b9da5bc4fb50ad1c640ea0ec6a550" rel="nofollow" data-download="{"attachment_id":67974694,"asset_id":49699523,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/67974694/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="44930001" href="https://independent.academia.edu/GayeC">C. 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In the Thiaroye aquifer of Dakar (Senegal), groundwater within Quaternary unconsolidated sands provided nearly half of the city's water supply into the 1980s. Rising nitrate concentrations traced to faecal contamination sharply curtailed groundwater withdrawals, which now contribute just 5% to Dakar's water supply. To understand the attenuation capacity of this urban aquifer under a monsoonal semi-arid climate, stable-isotope ratios of O and H and radioactive tritium (3 H), compiled over several studies, are used together with piezometric data to trace the origin of groundwater recharge and groundwater flowpaths. Shallow groundwaters derive predominantly from modern rainfall (tritium \u003e2 TU in 85% of sampled wells). δ 18 O and δ 2 H values in groundwater vary by \u003e4 and 20‰, respectively, reflecting substantial variability in evaporative enrichment prior to recharge. These signatures in groundwater regress to a value on the local meteoric water line that is depleted in heavy isotopes relative to the weighted-mean average composition of local rainfall, a bias that suggests recharge derives preferentially from isotopically depleted rainfall observed during the latter part of the monsoon (September). The distribution of tritium in groundwater is consistent with groundwater flowpaths to seasonal lakes and wetlands, defined by piezometric records. Piezometric data further confirm the diffuse nature and seasonality of rain-fed recharge. The conceptual understanding of groundwater recharge and flow provides a context to evaluate attenuation of anthropogenic recharge that is effectively diffuse and constant from the vast network of sanitation facilities that drain to this aquifer.","downloadable_attachments":[{"id":67974694,"asset_id":49699523,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":44930001,"first_name":"C.","last_name":"Gaye","domain_name":"independent","page_name":"GayeC","display_name":"C. 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Level","url":"https://www.academia.edu/Documents/in/Water_Level?f_ri=411"},{"id":1726489,"name":"Water budget","url":"https://www.academia.edu/Documents/in/Water_budget?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_15713088 coauthored" data-work_id="15713088" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/15713088/Repeatability_analysis_of_land_time_lapse_seismic_data_CO2CRC_Otway_pilot_project_case_study">Repeatability analysis of land time-lapse seismic data: CO2CRC Otway pilot project case study</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Time-lapse seismics is the methodology of choice for remotely monitoring changes in oil/gas reservoir depletion, reservoir stimulation or CO 2 sequestration, due to good sensitivity and resolving power at depths up to several kilometres.... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_15713088" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Time-lapse seismics is the methodology of choice for remotely monitoring changes in oil/gas reservoir depletion, reservoir stimulation or CO 2 sequestration, due to good sensitivity and resolving power at depths up to several kilometres. This method is now routinely applied offshore, however, the use of time-lapse methodology onshore is relatively rare. The main reason for this is the relatively high cost of commercial seismic acquisition on land. A widespread belief of a relatively poor repeatability of land seismic data prevents rapid growth in the number of land time-lapse surveys. Considering that CO 2 sequestration on land is becoming a necessity, there is a great need to evaluate the feasibility of time-lapse seismics for monitoring. Therefore, an understanding of the factors influencing repeatability of land seismics and evaluating limitations of the method is crucially important for its application in many CO 2 sequestration projects. We analyse several repeated 2D and 3D surveys acquired within the Otway CO 2 sequestration pilot project (operated by the Cooperative Research Centre for Greenhouse Technologies, CO2CRC) in Australia, in order to determine the principal limitations of land time-lapse seismic repeatability and investigate the influence of the main factors affecting it. Our findings are that the intrinsic signal-to-noise ratio (S/N, signal to coherent and background noise levels) and the normalized-root-meansquare (NRMS) difference are controlled by the source strength and source type. However, the post-stack S/N ratio and corresponding NRMS residuals are controlled mainly by the data fold. For very high-fold data, the source strength and source type are less critical.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/15713088" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="5f1752ba3911d47e6a4e232e10f77ff8" rel="nofollow" data-download="{"attachment_id":42945143,"asset_id":15713088,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/42945143/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="34902100" href="https://independent.academia.edu/Kepic">A. Kepic</a><script data-card-contents-for-user="34902100" type="text/json">{"id":34902100,"first_name":"A.","last_name":"Kepic","domain_name":"independent","page_name":"Kepic","display_name":"A. Kepic","profile_url":"https://independent.academia.edu/Kepic?f_ri=411","photo":"/images/s65_no_pic.png"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-15713088">+2</span><div class="hidden js-additional-users-15713088"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/UrosevicM">M. Urosevic</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/RPevzner">R. 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This method is now routinely applied offshore, however, the use of time-lapse methodology onshore is relatively rare. The main reason for this is the relatively high cost of commercial seismic acquisition on land. A widespread belief of a relatively poor repeatability of land seismic data prevents rapid growth in the number of land time-lapse surveys. Considering that CO 2 sequestration on land is becoming a necessity, there is a great need to evaluate the feasibility of time-lapse seismics for monitoring. Therefore, an understanding of the factors influencing repeatability of land seismics and evaluating limitations of the method is crucially important for its application in many CO 2 sequestration projects. We analyse several repeated 2D and 3D surveys acquired within the Otway CO 2 sequestration pilot project (operated by the Cooperative Research Centre for Greenhouse Technologies, CO2CRC) in Australia, in order to determine the principal limitations of land time-lapse seismic repeatability and investigate the influence of the main factors affecting it. Our findings are that the intrinsic signal-to-noise ratio (S/N, signal to coherent and background noise levels) and the normalized-root-meansquare (NRMS) difference are controlled by the source strength and source type. However, the post-stack S/N ratio and corresponding NRMS residuals are controlled mainly by the data fold. For very high-fold data, the source strength and source type are less critical.","downloadable_attachments":[{"id":42945143,"asset_id":15713088,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":34902100,"first_name":"A.","last_name":"Kepic","domain_name":"independent","page_name":"Kepic","display_name":"A. Kepic","profile_url":"https://independent.academia.edu/Kepic?f_ri=411","photo":"/images/s65_no_pic.png"},{"id":35345108,"first_name":"M.","last_name":"Urosevic","domain_name":"independent","page_name":"UrosevicM","display_name":"M. Urosevic","profile_url":"https://independent.academia.edu/UrosevicM?f_ri=411","photo":"/images/s65_no_pic.png"},{"id":34724429,"first_name":"R.","last_name":"Pevzner","domain_name":"independent","page_name":"RPevzner","display_name":"R. Pevzner","profile_url":"https://independent.academia.edu/RPevzner?f_ri=411","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":403,"name":"Gemology","url":"https://www.academia.edu/Documents/in/Gemology?f_ri=411","nofollow":true},{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology?f_ri=411","nofollow":true},{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=411","nofollow":true},{"id":408,"name":"Geomorphology","url":"https://www.academia.edu/Documents/in/Geomorphology?f_ri=411","nofollow":true},{"id":409,"name":"Geophysics","url":"https://www.academia.edu/Documents/in/Geophysics?f_ri=411"},{"id":410,"name":"Glaciology","url":"https://www.academia.edu/Documents/in/Glaciology?f_ri=411"},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411"},{"id":414,"name":"Mineralogy","url":"https://www.academia.edu/Documents/in/Mineralogy?f_ri=411"},{"id":417,"name":"Paleontology","url":"https://www.academia.edu/Documents/in/Paleontology?f_ri=411"},{"id":421,"name":"Soil Science","url":"https://www.academia.edu/Documents/in/Soil_Science?f_ri=411"},{"id":923,"name":"Technology","url":"https://www.academia.edu/Documents/in/Technology?f_ri=411"},{"id":1034,"name":"Stratigraphy","url":"https://www.academia.edu/Documents/in/Stratigraphy?f_ri=411"},{"id":2403,"name":"Environmental Geology","url":"https://www.academia.edu/Documents/in/Environmental_Geology?f_ri=411"},{"id":2404,"name":"Petrology","url":"https://www.academia.edu/Documents/in/Petrology?f_ri=411"},{"id":2406,"name":"Economic Geology","url":"https://www.academia.edu/Documents/in/Economic_Geology?f_ri=411"},{"id":3869,"name":"Geobiology","url":"https://www.academia.edu/Documents/in/Geobiology?f_ri=411"},{"id":7099,"name":"Case Studies","url":"https://www.academia.edu/Documents/in/Case_Studies?f_ri=411"},{"id":10769,"name":"Tectonics","url":"https://www.academia.edu/Documents/in/Tectonics?f_ri=411"},{"id":15989,"name":"Igneous petrology","url":"https://www.academia.edu/Documents/in/Igneous_petrology?f_ri=411"},{"id":20564,"name":"Engineering Geology","url":"https://www.academia.edu/Documents/in/Engineering_Geology?f_ri=411"},{"id":54961,"name":"Growth","url":"https://www.academia.edu/Documents/in/Growth?f_ri=411"},{"id":56760,"name":"Geophysical Prospecting","url":"https://www.academia.edu/Documents/in/Geophysical_Prospecting?f_ri=411"},{"id":64108,"name":"Paleogeography","url":"https://www.academia.edu/Documents/in/Paleogeography?f_ri=411"},{"id":68431,"name":"Noise","url":"https://www.academia.edu/Documents/in/Noise?f_ri=411"},{"id":76052,"name":"Depth","url":"https://www.academia.edu/Documents/in/Depth?f_ri=411"},{"id":76849,"name":"Reservoir","url":"https://www.academia.edu/Documents/in/Reservoir?f_ri=411"},{"id":96047,"name":"Case 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Ratio","url":"https://www.academia.edu/Documents/in/Signal_to_Noise_Ratio?f_ri=411"},{"id":1318481,"name":"Pilot project","url":"https://www.academia.edu/Documents/in/Pilot_project?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_8718089" data-work_id="8718089" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/8718089/Uncertainty_estimation_of_end_member_mixing_using_generalized_likelihood_uncertainty_estimation_GLUE_applied_in_a_lowland_catchment">Uncertainty estimation of end-member mixing using generalized likelihood uncertainty estimation (GLUE), applied in a lowland catchment</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">End-member mixing models have been widely used to separate the different components of a hydrograph, but their effectiveness suffers from uncertainty in both the identiﬁcation of end-members and spatiotemporal variation in end-member... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_8718089" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">End-member mixing models have been widely used to separate the different components of a hydrograph, but their effectiveness suffers from uncertainty in both the <br />identiﬁcation of end-members and spatiotemporal variation in end-member concentrations. In this paper, we outline a procedure, based on the generalized likelihood uncertainty <br />estimation (GLUE) framework, to more inclusively evaluate uncertainty in mixing models than existing approaches. We apply this procedure, referred to as G-EMMA, to a yearlong <br />chemical data set from the heavily impacted agricultural Lissertocht catchment, Netherlands, and compare its results to the ‘‘traditional’’ end-member mixing analysis <br />(EMMA). While the traditional approach appears unable to adequately deal with the large spatial variation in one of the end-members, the G-EMMA procedure successfully <br />identiﬁed, with varying uncertainty, contributions of ﬁve different end-members to the stream. Our results suggest that the concentration distribution of ‘‘effective’’ end-members, that is, the ﬂux-weighted input of an end-member to the stream, can differ markedly from <br />that inferred from sampling of water stored in the catchment. Results also show that the uncertainty arising from identifying the correct end-members may alter calculated end-member contributions by up to 30%, stressing the importance of including the identiﬁcation <br />of end-members in the uncertainty assessment.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/8718089" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="c778f47467bef3322b28071b2dc03be2" rel="nofollow" data-download="{"attachment_id":35068493,"asset_id":8718089,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/35068493/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="17523225" href="https://deltares.academia.edu/GualbertOudeEssink">Gualbert Oude Essink</a><script data-card-contents-for-user="17523225" type="text/json">{"id":17523225,"first_name":"Gualbert","last_name":"Oude Essink","domain_name":"deltares","page_name":"GualbertOudeEssink","display_name":"Gualbert Oude Essink","profile_url":"https://deltares.academia.edu/GualbertOudeEssink?f_ri=411","photo":"https://0.academia-photos.com/17523225/5126165/17026918/s65_gualbert.oude_essink.jpg"}</script></span></span></li><li class="js-paper-rank-work_8718089 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="8718089"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 8718089, container: ".js-paper-rank-work_8718089", }); 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In this paper, we outline a procedure, based on the generalized likelihood uncertainty\r\nestimation (GLUE) framework, to more inclusively evaluate uncertainty in mixing models than existing approaches. We apply this procedure, referred to as G-EMMA, to a yearlong\r\nchemical data set from the heavily impacted agricultural Lissertocht catchment, Netherlands, and compare its results to the ‘‘traditional’’ end-member mixing analysis\r\n(EMMA). While the traditional approach appears unable to adequately deal with the large spatial variation in one of the end-members, the G-EMMA procedure successfully\r\nidentiﬁed, with varying uncertainty, contributions of ﬁve different end-members to the stream. Our results suggest that the concentration distribution of ‘‘effective’’ end-members, that is, the ﬂux-weighted input of an end-member to the stream, can differ markedly from\r\nthat inferred from sampling of water stored in the catchment. Results also show that the uncertainty arising from identifying the correct end-members may alter calculated end-member contributions by up to 30%, stressing the importance of including the identiﬁcation\r\nof end-members in the uncertainty assessment.","downloadable_attachments":[{"id":35068493,"asset_id":8718089,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":17523225,"first_name":"Gualbert","last_name":"Oude Essink","domain_name":"deltares","page_name":"GualbertOudeEssink","display_name":"Gualbert Oude Essink","profile_url":"https://deltares.academia.edu/GualbertOudeEssink?f_ri=411","photo":"https://0.academia-photos.com/17523225/5126165/17026918/s65_gualbert.oude_essink.jpg"}],"research_interests":[{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":2549,"name":"Hydrology","url":"https://www.academia.edu/Documents/in/Hydrology?f_ri=411","nofollow":true},{"id":21929,"name":"Hydrogeochemistry","url":"https://www.academia.edu/Documents/in/Hydrogeochemistry?f_ri=411","nofollow":true},{"id":651012,"name":"Generalized Likelihood Uncertainty Estimation","url":"https://www.academia.edu/Documents/in/Generalized_Likelihood_Uncertainty_Estimation?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_81355030" data-work_id="81355030" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" rel="nofollow" href="https://www.academia.edu/81355030/Numerical_modelling_of_land_subsidence_related_to_groundwater_withdrawal_in_the_Firenze_Prato_Pistoia_basin_central_Italy_">Numerical modelling of land subsidence related to groundwater withdrawal in the Firenze-Prato-Pistoia basin (central Italy)</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The Tuscany region of Italy is widely affected by subsidence, landslides and floods, which severely impact buildings and infrastructure. In particular, Firenze-Prato-Pistoia basin has a long experience of ground deformation related to... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_81355030" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The Tuscany region of Italy is widely affected by subsidence, landslides and floods, which severely impact buildings and infrastructure. In particular, Firenze-Prato-Pistoia basin has a long experience of ground deformation related to groundwater withdrawal. European remote-sensing satellite (ERS) data collected since 1992 have revealed the presence of several subsiding areas in the basin such as the south-eastern portion of the city of Pistoia. Sentinel-1 persistent scatterer interferometry (PSI) measurements for 2015–2018 confirmed the long-term subsidence of this area, associated with intense horticulture (plant nurseries). At the same time, Sentinel-1 data revealed the unexpected movement of Pistoia historic center, which has always been considered stable in the past. To identify the complex relationship between aquifer conditions and ground displacement, a hydrogeologic model of the Pistoia aquifers was developed, applying an integrated modelling procedure. Hydrodynamic-paramet...</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/81355030" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="42b71e1083da8644896e072ba6642f95" rel="nofollow" data-download="{"attachment_id":87426620,"asset_id":81355030,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/87426620/download_file?st=MTczOTgxMTM3Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="56726893" rel="nofollow" href="https://unifi.academia.edu/MatteoSoldato">Matteo Del Soldato</a><script data-card-contents-for-user="56726893" type="text/json">{"id":56726893,"first_name":"Matteo","last_name":"Del Soldato","domain_name":"unifi","page_name":"MatteoSoldato","display_name":"Matteo Del Soldato","profile_url":"https://unifi.academia.edu/MatteoSoldato?f_ri=411","photo":"https://0.academia-photos.com/56726893/14913537/15678413/s65_matteo.soldato.jpg"}</script></span></span></li><li class="js-paper-rank-work_81355030 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="81355030"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 81355030, container: ".js-paper-rank-work_81355030", }); 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In particular, Firenze-Prato-Pistoia basin has a long experience of ground deformation related to groundwater withdrawal. European remote-sensing satellite (ERS) data collected since 1992 have revealed the presence of several subsiding areas in the basin such as the south-eastern portion of the city of Pistoia. Sentinel-1 persistent scatterer interferometry (PSI) measurements for 2015–2018 confirmed the long-term subsidence of this area, associated with intense horticulture (plant nurseries). At the same time, Sentinel-1 data revealed the unexpected movement of Pistoia historic center, which has always been considered stable in the past. To identify the complex relationship between aquifer conditions and ground displacement, a hydrogeologic model of the Pistoia aquifers was developed, applying an integrated modelling procedure. Hydrodynamic-paramet...","downloadable_attachments":[{"id":87426620,"asset_id":81355030,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":56726893,"first_name":"Matteo","last_name":"Del Soldato","domain_name":"unifi","page_name":"MatteoSoldato","display_name":"Matteo Del Soldato","profile_url":"https://unifi.academia.edu/MatteoSoldato?f_ri=411","photo":"https://0.academia-photos.com/56726893/14913537/15678413/s65_matteo.soldato.jpg"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":6951,"name":"Groundwater","url":"https://www.academia.edu/Documents/in/Groundwater?f_ri=411"},{"id":38342,"name":"Groundwater recharge","url":"https://www.academia.edu/Documents/in/Groundwater_recharge?f_ri=411"},{"id":292976,"name":"AQUIFER","url":"https://www.academia.edu/Documents/in/AQUIFER?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_52706751" data-work_id="52706751" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/52706751/Special_Report_No_7_Mapping_of_Surface_Karst_Features_in_the_Jeita_Spring_Catchment">Special Report No. 7: Mapping of Surface Karst Features in the Jeita Spring Catchment</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/52706751" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="87f8d41ba9ba872ffd9dd70d69640de1" rel="nofollow" data-download="{"attachment_id":69843451,"asset_id":52706751,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/69843451/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="27373333" href="https://independent.academia.edu/jeanAbiRizk">jean Abi Rizk</a><script data-card-contents-for-user="27373333" type="text/json">{"id":27373333,"first_name":"jean","last_name":"Abi Rizk","domain_name":"independent","page_name":"jeanAbiRizk","display_name":"jean Abi Rizk","profile_url":"https://independent.academia.edu/jeanAbiRizk?f_ri=411","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_52706751 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="52706751"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 52706751, container: ".js-paper-rank-work_52706751", }); 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Quasi-static, capillary displacement in a rough fracture is modeled using the modified invasion percolation... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_47906773" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">A comparison of experimental and numerical results is presented addressing two-phase immiscible displacement in rough fractures. Quasi-static, capillary displacement in a rough fracture is modeled using the modified invasion percolation approach proposed by , and the results are compared against experimental observations obtained from two-phase flow through a rock fracture using x-ray computed-tomography scanning. The model is based on an algorithm seeking the least resistant pathway for the advancement of the invading fluid using the Young-Laplace equation and accounting for local in-plane curvature of the advancing fluid front. The saturation distribution map generated by the model yields good agreement with the experimental phase distribution and presents more realistic phase structures than those obtained from the conventional invasion percolation approach. The improvement in the results obtained with the modified invasion percolation approach is attributed to the contribution of the in-plane curvature term, which captures the effect of regionalized apertures, rather than single-point apertures, on the shape of the invading front. Glass RJ, Nicholl MJ, Yarrington L (1998) A modified invasion percolation model for low-capillary number immiscible displacements in horizontal rough-walled fractures: influence of local inplane curvature. Water Resour Res 34:3215-3234</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/47906773" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="2b228291af55c86c2b38d426e4959c57" rel="nofollow" data-download="{"attachment_id":66793325,"asset_id":47906773,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/66793325/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="39495653" href="https://independent.academia.edu/ZKarpyn">Z. 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Quasi-static, capillary displacement in a rough fracture is modeled using the modified invasion percolation approach proposed by , and the results are compared against experimental observations obtained from two-phase flow through a rock fracture using x-ray computed-tomography scanning. The model is based on an algorithm seeking the least resistant pathway for the advancement of the invading fluid using the Young-Laplace equation and accounting for local in-plane curvature of the advancing fluid front. The saturation distribution map generated by the model yields good agreement with the experimental phase distribution and presents more realistic phase structures than those obtained from the conventional invasion percolation approach. The improvement in the results obtained with the modified invasion percolation approach is attributed to the contribution of the in-plane curvature term, which captures the effect of regionalized apertures, rather than single-point apertures, on the shape of the invading front. Glass RJ, Nicholl MJ, Yarrington L (1998) A modified invasion percolation model for low-capillary number immiscible displacements in horizontal rough-walled fractures: influence of local inplane curvature. Water Resour Res 34:3215-3234","downloadable_attachments":[{"id":66793325,"asset_id":47906773,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":39495653,"first_name":"Z.","last_name":"Karpyn","domain_name":"independent","page_name":"ZKarpyn","display_name":"Z. Karpyn","profile_url":"https://independent.academia.edu/ZKarpyn?f_ri=411","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":7114,"name":"Multiphase Flow","url":"https://www.academia.edu/Documents/in/Multiphase_Flow?f_ri=411","nofollow":true},{"id":8066,"name":"Two Phase Flow","url":"https://www.academia.edu/Documents/in/Two_Phase_Flow?f_ri=411"},{"id":959921,"name":"X ray Computed Tomography","url":"https://www.academia.edu/Documents/in/X_ray_Computed_Tomography?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_41701143" data-work_id="41701143" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/41701143/Isopluvial_Maps_of_Daily_Maximum_Precipitation_for_Different_Frequency_for_Upper_Cauvery_Karnataka">Isopluvial Maps of Daily Maximum Precipitation for Different Frequency for Upper Cauvery Karnataka</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Probable maximum precipitation (PMP) is widely used by hydrologists for appraisal of probable maximum flood (PMF) used for soil and water conservation structures, and design of dam spillways. The estimation of design storm for example... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_41701143" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Probable maximum precipitation (PMP) is widely used by hydrologists for appraisal of probable maximum flood (PMF) used for soil and water conservation structures, and design of dam spillways. The estimation of design storm for example depends on availability of rainfall quantities and their durations. Daily maximum multiannual series are one of the main inputs for design streamflow calculation. The study generated annual series of Daily maximum rainfall for fourty four stations by using statical approach such as Normal distribution, Log-Normal Distribution, Pearson type III distribution and Gumbel's Distribution .Results reveals that among the different statical approaches Log-Normal distribution fits the best compared to others. Isohyetal Maps of study area at different frequency are produced by using GIS tools, the maximum intensity varies from 2.5 mm/hr to 628 mm/hr.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/41701143" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="39b89b4880dd0055c203babb34ffd1d4" rel="nofollow" data-download="{"attachment_id":61859922,"asset_id":41701143,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/61859922/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="142967497" href="https://uvcebangalore.academia.edu/MohammedbadiuddinParvez34">Mohammed B A D I U D D I N Parvez</a><script data-card-contents-for-user="142967497" type="text/json">{"id":142967497,"first_name":"Mohammed","last_name":"Parvez","domain_name":"uvcebangalore","page_name":"MohammedbadiuddinParvez34","display_name":"Mohammed B A D I U D D I N Parvez","profile_url":"https://uvcebangalore.academia.edu/MohammedbadiuddinParvez34?f_ri=411","photo":"https://0.academia-photos.com/142967497/38870436/161863561/s65_mohammed.parvez.jpeg"}</script></span></span></li><li class="js-paper-rank-work_41701143 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="41701143"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 41701143, container: ".js-paper-rank-work_41701143", }); 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$(".js-view-count[data-work-id=41701143]").text(description); $(".js-view-count-work_41701143").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_41701143").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="41701143"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">7</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a>, <script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="2549" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrology">Hydrology</a>, <script data-card-contents-for-ri="2549" type="text/json">{"id":2549,"name":"Hydrology","url":"https://www.academia.edu/Documents/in/Hydrology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="2550" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydraulics">Hydraulics</a>, <script data-card-contents-for-ri="2550" type="text/json">{"id":2550,"name":"Hydraulics","url":"https://www.academia.edu/Documents/in/Hydraulics?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4523" rel="nofollow" href="https://www.academia.edu/Documents/in/Water_quality">Water quality</a><script data-card-contents-for-ri="4523" type="text/json">{"id":4523,"name":"Water quality","url":"https://www.academia.edu/Documents/in/Water_quality?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=41701143]'), work: {"id":41701143,"title":"Isopluvial Maps of Daily Maximum Precipitation for Different Frequency for Upper Cauvery Karnataka","created_at":"2020-01-22T05:22:30.556-08:00","url":"https://www.academia.edu/41701143/Isopluvial_Maps_of_Daily_Maximum_Precipitation_for_Different_Frequency_for_Upper_Cauvery_Karnataka?f_ri=411","dom_id":"work_41701143","summary":"Probable maximum precipitation (PMP) is widely used by hydrologists for appraisal of probable maximum flood (PMF) used for soil and water conservation structures, and design of dam spillways. The estimation of design storm for example depends on availability of rainfall quantities and their durations. Daily maximum multiannual series are one of the main inputs for design streamflow calculation. The study generated annual series of Daily maximum rainfall for fourty four stations by using statical approach such as Normal distribution, Log-Normal Distribution, Pearson type III distribution and Gumbel's Distribution .Results reveals that among the different statical approaches Log-Normal distribution fits the best compared to others. Isohyetal Maps of study area at different frequency are produced by using GIS tools, the maximum intensity varies from 2.5 mm/hr to 628 mm/hr.","downloadable_attachments":[{"id":61859922,"asset_id":41701143,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":142967497,"first_name":"Mohammed","last_name":"Parvez","domain_name":"uvcebangalore","page_name":"MohammedbadiuddinParvez34","display_name":"Mohammed B A D I U D D I N Parvez","profile_url":"https://uvcebangalore.academia.edu/MohammedbadiuddinParvez34?f_ri=411","photo":"https://0.academia-photos.com/142967497/38870436/161863561/s65_mohammed.parvez.jpeg"}],"research_interests":[{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":2549,"name":"Hydrology","url":"https://www.academia.edu/Documents/in/Hydrology?f_ri=411","nofollow":true},{"id":2550,"name":"Hydraulics","url":"https://www.academia.edu/Documents/in/Hydraulics?f_ri=411","nofollow":true},{"id":4523,"name":"Water quality","url":"https://www.academia.edu/Documents/in/Water_quality?f_ri=411","nofollow":true},{"id":21068,"name":"Rainfall-Runoff modelling","url":"https://www.academia.edu/Documents/in/Rainfall-Runoff_modelling?f_ri=411"},{"id":32647,"name":"Hydraulic systems and structures","url":"https://www.academia.edu/Documents/in/Hydraulic_systems_and_structures?f_ri=411"},{"id":201862,"name":"Rainfall","url":"https://www.academia.edu/Documents/in/Rainfall?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_39789792" data-work_id="39789792" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/39789792/An_assessment_of_technical_and_economic_feasibility_to_install_geothermal_well_systems_across_Ukraine">An assessment of technical and economic feasibility to install geothermal well systems across Ukraine</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Although the resources of geothermal energy in Ukraine greatly exceed domestic conventional energy sources, using geothermal heat in the country is still far behind the existing opportunities. Addressing this gap requires a large-scale... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_39789792" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Although the resources of geothermal energy in Ukraine greatly exceed domestic conventional energy sources, using geothermal heat in the country is still far behind the existing opportunities. Addressing this gap requires a large-scale pre-feasibility assessment with proper account for hydrogeological and economic factors to facilitate identifying the most promising areas of the country for efficient use of geothermal energy. One of the well-known technologies in this field is a geothermal well system (GWS) that combines pumping out thermal waters, extracting heat on the ground, and reinjecting cooled water back to the aquifer. In this study, we created the maps of expected thermal output and profitability of the doublet GWS across Ukraine for minimum and maximum values of depth and flow rate of thermal waters applying analytical methods of heat transfer in saturated rocks in combination with the net present value (NPV) as a generally accepted economic criterion. Map analysis showed that the GWS maximum expected thermal output might reach 5–9 MW in the Black Sea coastal area and steppe Crimea at the flow rate exceeding 1500 m3/day and aquifer depth of 2 km and more. The NPV index is positive for the most part of Ukraine and increases up to 7–17 million € in southern regions of the  country. Calculating performance parameters for two potential GWS sites showed a higher thermal output for a GWS in the Black Sea coastal area compared to the site in Transcarpathia but comparable NPV for both sites due to lower installation costs in the western part of the country.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/39789792" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="d22bb9e47264fab72eefdf78ee48d441" rel="nofollow" data-download="{"attachment_id":59975487,"asset_id":39789792,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/59975487/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="111067293" href="https://nmu-ua.academia.edu/DmitryRudakov">Dmitry Rudakov</a><script data-card-contents-for-user="111067293" type="text/json">{"id":111067293,"first_name":"Dmitry","last_name":"Rudakov","domain_name":"nmu-ua","page_name":"DmitryRudakov","display_name":"Dmitry Rudakov","profile_url":"https://nmu-ua.academia.edu/DmitryRudakov?f_ri=411","photo":"https://0.academia-photos.com/111067293/28936550/27517039/s65_dmitry.rudakov.jpg"}</script></span></span></li><li class="js-paper-rank-work_39789792 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="39789792"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 39789792, container: ".js-paper-rank-work_39789792", }); });</script></li><li class="js-percentile-work_39789792 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 39789792; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_39789792"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_39789792 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="39789792"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 39789792; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=39789792]").text(description); $(".js-view-count-work_39789792").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_39789792").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="39789792"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i></div><span class="InlineList-item-text u-textTruncate u-pl6x"><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a><script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (false) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=39789792]'), work: {"id":39789792,"title":"An assessment of technical and economic feasibility to install geothermal well systems\nacross Ukraine","created_at":"2019-07-10T10:11:03.058-07:00","url":"https://www.academia.edu/39789792/An_assessment_of_technical_and_economic_feasibility_to_install_geothermal_well_systems_across_Ukraine?f_ri=411","dom_id":"work_39789792","summary":"Although the resources of geothermal energy in Ukraine greatly exceed domestic conventional energy sources, using geothermal heat in the country is still far behind the existing opportunities. Addressing this gap requires a large-scale pre-feasibility assessment with proper account for hydrogeological and economic factors to facilitate identifying the most promising areas of the country for efficient use of geothermal energy. One of the well-known technologies in this field is a geothermal well system (GWS) that combines pumping out thermal waters, extracting heat on the ground, and reinjecting cooled water back to the aquifer. In this study, we created the maps of expected thermal output and profitability of the doublet GWS across Ukraine for minimum and maximum values of depth and flow rate of thermal waters applying analytical methods of heat transfer in saturated rocks in combination with the net present value (NPV) as a generally accepted economic criterion. Map analysis showed that the GWS maximum expected thermal output might reach 5–9 MW in the Black Sea coastal area and steppe Crimea at the flow rate exceeding 1500 m3/day and aquifer depth of 2 km and more. The NPV index is positive for the most part of Ukraine and increases up to 7–17 million € in southern regions of the country. Calculating performance parameters for two potential GWS sites showed a higher thermal output for a GWS in the Black Sea coastal area compared to the site in Transcarpathia but comparable NPV for both sites due to lower installation costs in the western part of the country.","downloadable_attachments":[{"id":59975487,"asset_id":39789792,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":111067293,"first_name":"Dmitry","last_name":"Rudakov","domain_name":"nmu-ua","page_name":"DmitryRudakov","display_name":"Dmitry Rudakov","profile_url":"https://nmu-ua.academia.edu/DmitryRudakov?f_ri=411","photo":"https://0.academia-photos.com/111067293/28936550/27517039/s65_dmitry.rudakov.jpg"}],"research_interests":[{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_38895627" data-work_id="38895627" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/38895627/Mapping_of_moraine_dammed_glacial_lakes_and_assessment_of_their_areal_changes_in_the_central_and_eastern_Himalayas_using_satellite_data">Mapping of moraine dammed glacial lakes and assessment of their areal changes in the central and eastern Himalayas using satellite data</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The relatively rapid recession of glaciers in the Himalayas and formation of moraine dammed glacial lakes (MDGLs) in the recent past have increased the risk of glacier lake outburst floods (GLOF) in the countries of Nepal and Bhutan and... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_38895627" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The relatively rapid recession of glaciers in the Himalayas and formation of moraine dammed glacial lakes (MDGLs) in the recent past have increased the risk of glacier lake outburst floods (GLOF) in the countries of Nepal and Bhutan and in the mountainous territory of Sikkim in India. As a product of climate change and global warming, such a risk has not only raised the level of threats to the habitation and infrastructure of the region, but has also contributed to the worsening of the balance of the unique ecosystem that exists in this domain that sustains several of the highest mountain peaks of the world. This study attempts to present an up to date mapping of the MDGLs in the central and eastern Himalayan regions using remote sensing data, with an objective to analyse their surface area variations with time from 1990 through 2015, disaggregated over six episodes. The study also includes the evaluation for susceptibility of MDGLs to GLOF with the least criteria decision analysis (LCDA). Forty two major MDGLs, each having a lake surface area greater than 0.2 km 2 , that were identified in the Himalayan ranges of Nepal, Bhutan, and Sikkim, have been categorized according to their surface area expansion rates in space and time. The lakes have been identified as located within the elevation range of 3800 m and 6800 m above mean sea level (a msl). With a total surface area of 37.9 km 2 , these MDGLs as a whole were observed to have expanded by an astonishing 43.6% in area over the 25 year period of this study. A factor is introduced to numerically sort the lakes in terms of their relative yearly expansion rates, based on their interpretation of their surface area extents from satellite imageries. Verification of predicted GLOF events in the past using this factor with the limited field data as reported in literature indicates that the present analysis may be considered a sufficiently reliable and rapid technique for assessing the potential bursting susceptibility of the MDGLs. The analysis also indicates that, as of now, there are eight MDGLs in the region which appear to be in highly vulnerable states and have high chances in causing potential GLOF events anytime in the recent future.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/38895627" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="77da146a266361a5bd1a79fd1e72df17" rel="nofollow" data-download="{"attachment_id":58993835,"asset_id":38895627,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/58993835/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="12325161" href="https://ernrt.academia.edu/SazedaBegam">Sazeda Begam</a><script data-card-contents-for-user="12325161" type="text/json">{"id":12325161,"first_name":"Sazeda","last_name":"Begam","domain_name":"ernrt","page_name":"SazedaBegam","display_name":"Sazeda Begam","profile_url":"https://ernrt.academia.edu/SazedaBegam?f_ri=411","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_38895627 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="38895627"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 38895627, container: ".js-paper-rank-work_38895627", }); 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$(".js-view-count[data-work-id=38895627]").text(description); $(".js-view-count-work_38895627").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_38895627").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="38895627"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">11</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="410" rel="nofollow" href="https://www.academia.edu/Documents/in/Glaciology">Glaciology</a>, <script data-card-contents-for-ri="410" type="text/json">{"id":410,"name":"Glaciology","url":"https://www.academia.edu/Documents/in/Glaciology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a>, <script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="2549" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrology">Hydrology</a>, <script data-card-contents-for-ri="2549" type="text/json">{"id":2549,"name":"Hydrology","url":"https://www.academia.edu/Documents/in/Hydrology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="21685" rel="nofollow" href="https://www.academia.edu/Documents/in/Watershed_Hydrology">Watershed Hydrology</a><script data-card-contents-for-ri="21685" type="text/json">{"id":21685,"name":"Watershed Hydrology","url":"https://www.academia.edu/Documents/in/Watershed_Hydrology?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=38895627]'), work: {"id":38895627,"title":"Mapping of moraine dammed glacial lakes and assessment of their areal changes in the central and eastern Himalayas using satellite data","created_at":"2019-04-22T13:04:57.773-07:00","url":"https://www.academia.edu/38895627/Mapping_of_moraine_dammed_glacial_lakes_and_assessment_of_their_areal_changes_in_the_central_and_eastern_Himalayas_using_satellite_data?f_ri=411","dom_id":"work_38895627","summary":"The relatively rapid recession of glaciers in the Himalayas and formation of moraine dammed glacial lakes (MDGLs) in the recent past have increased the risk of glacier lake outburst floods (GLOF) in the countries of Nepal and Bhutan and in the mountainous territory of Sikkim in India. As a product of climate change and global warming, such a risk has not only raised the level of threats to the habitation and infrastructure of the region, but has also contributed to the worsening of the balance of the unique ecosystem that exists in this domain that sustains several of the highest mountain peaks of the world. This study attempts to present an up to date mapping of the MDGLs in the central and eastern Himalayan regions using remote sensing data, with an objective to analyse their surface area variations with time from 1990 through 2015, disaggregated over six episodes. The study also includes the evaluation for susceptibility of MDGLs to GLOF with the least criteria decision analysis (LCDA). Forty two major MDGLs, each having a lake surface area greater than 0.2 km 2 , that were identified in the Himalayan ranges of Nepal, Bhutan, and Sikkim, have been categorized according to their surface area expansion rates in space and time. The lakes have been identified as located within the elevation range of 3800 m and 6800 m above mean sea level (a msl). With a total surface area of 37.9 km 2 , these MDGLs as a whole were observed to have expanded by an astonishing 43.6% in area over the 25 year period of this study. A factor is introduced to numerically sort the lakes in terms of their relative yearly expansion rates, based on their interpretation of their surface area extents from satellite imageries. Verification of predicted GLOF events in the past using this factor with the limited field data as reported in literature indicates that the present analysis may be considered a sufficiently reliable and rapid technique for assessing the potential bursting susceptibility of the MDGLs. The analysis also indicates that, as of now, there are eight MDGLs in the region which appear to be in highly vulnerable states and have high chances in causing potential GLOF events anytime in the recent future.","downloadable_attachments":[{"id":58993835,"asset_id":38895627,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":12325161,"first_name":"Sazeda","last_name":"Begam","domain_name":"ernrt","page_name":"SazedaBegam","display_name":"Sazeda Begam","profile_url":"https://ernrt.academia.edu/SazedaBegam?f_ri=411","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":410,"name":"Glaciology","url":"https://www.academia.edu/Documents/in/Glaciology?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":2549,"name":"Hydrology","url":"https://www.academia.edu/Documents/in/Hydrology?f_ri=411","nofollow":true},{"id":21685,"name":"Watershed Hydrology","url":"https://www.academia.edu/Documents/in/Watershed_Hydrology?f_ri=411","nofollow":true},{"id":29499,"name":"Glacial Geomorphology","url":"https://www.academia.edu/Documents/in/Glacial_Geomorphology?f_ri=411"},{"id":127198,"name":"Application of remote sensing and GIS in enviornmental monitoring","url":"https://www.academia.edu/Documents/in/Application_of_remote_sensing_and_GIS_in_enviornmental_monitoring?f_ri=411"},{"id":133302,"name":"Hydrological modelling","url":"https://www.academia.edu/Documents/in/Hydrological_modelling?f_ri=411"},{"id":179332,"name":"Hydrodynamics","url":"https://www.academia.edu/Documents/in/Hydrodynamics?f_ri=411"},{"id":209976,"name":"Hydrology and water resources","url":"https://www.academia.edu/Documents/in/Hydrology_and_water_resources?f_ri=411"},{"id":234936,"name":"Hydraulic Modeling","url":"https://www.academia.edu/Documents/in/Hydraulic_Modeling?f_ri=411"},{"id":284228,"name":"River Hydraulics and Morphology","url":"https://www.academia.edu/Documents/in/River_Hydraulics_and_Morphology?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_663183" data-work_id="663183" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/663183/Assessment_of_groundwater_recharge_and_water_fluxes_of_the_Guarani_Aquifer_System_Brazil">Assessment of groundwater recharge and water fluxes of the Guarani Aquifer System, Brazil</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/663183" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="e2f6165cbfd349e09aa4f0f3868f49bc" rel="nofollow" data-download="{"attachment_id":34497704,"asset_id":663183,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/34497704/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="113993" href="https://usp-br.academia.edu/EdsonWendland">Edson Wendland</a><script data-card-contents-for-user="113993" type="text/json">{"id":113993,"first_name":"Edson","last_name":"Wendland","domain_name":"usp-br","page_name":"EdsonWendland","display_name":"Edson Wendland","profile_url":"https://usp-br.academia.edu/EdsonWendland?f_ri=411","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_663183 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="663183"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 663183, container: ".js-paper-rank-work_663183", }); });</script></li><li class="js-percentile-work_663183 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 663183; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_663183"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_663183 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="663183"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 663183; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=663183]").text(description); $(".js-view-count-work_663183").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_663183").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="663183"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">9</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="48" rel="nofollow" href="https://www.academia.edu/Documents/in/Engineering">Engineering</a>, <script data-card-contents-for-ri="48" type="text/json">{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="400" rel="nofollow" href="https://www.academia.edu/Documents/in/Earth_Sciences">Earth Sciences</a>, <script data-card-contents-for-ri="400" type="text/json">{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a>, <script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="38342" rel="nofollow" href="https://www.academia.edu/Documents/in/Groundwater_recharge">Groundwater recharge</a><script data-card-contents-for-ri="38342" type="text/json">{"id":38342,"name":"Groundwater recharge","url":"https://www.academia.edu/Documents/in/Groundwater_recharge?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=663183]'), work: {"id":663183,"title":"Assessment of groundwater recharge and water fluxes of the Guarani Aquifer System, Brazil","created_at":"2011-06-12T04:32:31.036-07:00","url":"https://www.academia.edu/663183/Assessment_of_groundwater_recharge_and_water_fluxes_of_the_Guarani_Aquifer_System_Brazil?f_ri=411","dom_id":"work_663183","summary":null,"downloadable_attachments":[{"id":34497704,"asset_id":663183,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":113993,"first_name":"Edson","last_name":"Wendland","domain_name":"usp-br","page_name":"EdsonWendland","display_name":"Edson Wendland","profile_url":"https://usp-br.academia.edu/EdsonWendland?f_ri=411","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":38342,"name":"Groundwater recharge","url":"https://www.academia.edu/Documents/in/Groundwater_recharge?f_ri=411","nofollow":true},{"id":139358,"name":"Conceptual Model","url":"https://www.academia.edu/Documents/in/Conceptual_Model?f_ri=411"},{"id":420417,"name":"Groundwater flow","url":"https://www.academia.edu/Documents/in/Groundwater_flow?f_ri=411"},{"id":497452,"name":"Numerical Model","url":"https://www.academia.edu/Documents/in/Numerical_Model?f_ri=411"},{"id":877207,"name":"Water Level","url":"https://www.academia.edu/Documents/in/Water_Level?f_ri=411"},{"id":1213131,"name":"Geographic Information Systems","url":"https://www.academia.edu/Documents/in/Geographic_Information_Systems?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_5311336" data-work_id="5311336" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/5311336/Modelling_of_paleo_saltwater_intrusion_in_the_northern_part_of_the_Nubian_Aquifer_System_Northeast_Africa">Modelling of paleo-saltwater intrusion in the northern part of the Nubian Aquifer System, Northeast Africa</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">A numerical groundwater model of the Nubian Aquifer System was established to prove the influence of rising seawater levels on the groundwater salinity in northern Egypt over the last 140,000 years. In addition, the impact of a... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_5311336" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">A numerical groundwater model of the Nubian Aquifer System was established to prove the influence of rising seawater levels on the groundwater salinity in northern Egypt over the last 140,000 years. In addition, the impact of a groundwater recharge scenario for these 140,000 years, involving climatic change, on the saltwater/freshwater interface was investigated. Saltwater intrusion induced by rising water levels of the Mediterranean Sea led to salinisation from the Mediterranean Sea to the Qattara depression. This modeling approach was supported by a density-driven model setup and calculation. The modelled saltwater/freshwater interfaces partially fitted the observed ones, especially in the southern half of the Qattara depression. In other parts of the northern Nubian Aquifer System, the ingression of salt water was modelled adequately, but in the west, small regions of the measured interface were not. The development in the Qattara depression (Egypt) and Sirte basin (Libya) were investigated in more detail. The different behaviour in the Sirte basin may be due to high evapotranspiration rates in some former periods, salt solutions from the pre-Quaternary layers or saltwater infiltration from sabkha-like recent salt-bearing sediments. On a établi un modèle numérique du Système Aquifère Nubien pour prouver l’influence de l’augmentation des niveaux marins sur la salinité de la nappe du Nord de l’Egypte durant les 140,000 dernières années. De plus, on a étudié l’incidence du réchauffement climatique sur la recharge et sur l’interface eau saline–eau douce durant ces 140,000 années. Une intrusion d’eau salée induite par l’augmentation du niveau de la Mer Méditerranée a conduit à la salinisation de la dépression Qattara. Cette approche modélisée a été basée sur la densité et le calcul. Les interfaces eau salée–eau douce modélisées correspondent en partie aux interfaces observées, particulièrement dans la motié Sud de la dépression Qattara. Au Nord, dans d’autres parties du Système Aquifère Lybien, l’intrusion salée a été modélisée de façon satisfaisante, ce qui n’est pas le cas dans des zones restreintes de l’Ouest. Les intrusions dans la dépression Qattara (Egypte) et dans le bassin Syrte (Lybie) ont été étudiées de façon plus détaillée. La situation différente dans le bassin Syrte peut résulter de taux élevés d’évapotranspiration durant des périodes antérieures, d’infiltrations de solutions salées provenant de dépôts pré-quaternaires, ou de sédiments salifères récents semblables aux sebkas. Zur Einschätzung des Einflusses des ansteigenden Meeresspiegels auf die Grundwasserversalzung in Nord-Ägypten wurde ein numerisches Grundwassermodell für die vergangenen 140,000 Jahre erstellt. Zusätzlich wurde ein Szenario der Grundwasserneubildung für diesen Zeitraum untersucht. Die Intrusion von Salzwasser, die durch den Meeresspiegelanstieg hervorgerufen wurde, führte zu einer Versalzung vom Mittelmeer bis zur Qattara-Senke. Im Modellansatz wurde die Dichte-gekoppelte Strömung beim Modellaufbau und der Berechnung berücksichtigt. Die modellierte Salz–Süßwasser-Grenze entsprach dem beobachteten Verlauf besonders in der Südhälfte der Qattara-Senke. In anderen Teilen des nördlichen Nubischen Aquifer Systems konnte diese Linie ebenfalls adäquat wiedergegeben werden, mit Ausnahme des Westens. Die Entwicklungen in der Qattara-Senke (Ägypten) und im Sirte-Becken (Libyen) wurden im Detail untersucht. Die Unterschiede im Sirte-Becken können auf eine zeitweise höhere Evapotranspiration, Salzauslaugungen präquartärer Schichten oder Salzwasserintrusionen von Sabkha-ähnlichen salzhaltigen Sedimenten zurückgeführt werden. El efecto de la subida del nivel del mar sobre la salinización del agua subterránea en el norte de Egipto en el curso de los últimos 140,000 años fué simulado mediante un modelo numérico. Esta simulación contempló efectos de la recarga del agua subterránea en este período así como efectos de densidad. Los resultados indican que la intrusión de agua salada causada por el cambio del nivel del mar lleva a una intrusión salina hacia el sur hasta la depresión de Qattara y coinciden muy bien con el límite observado en el sur de la depresión. Con exepción de la zona oeste, el modelo reprodujo con suficiente exactitud los límites entre aguas salinas y dulces en otras partes del Sistema Acuífero Nubian. Las diferencias entre lo observado y la simulación en la Cuenca Sirte posiblemente puede atribuirse a tasas elevadas de evapotranspiración en períodos anteriores, a soluciones salinas provenientes de capas pre – cuaternarias o a infiltración de agua salada desde sedimentos salinos recientes parecidos a playas. 为证实140,000年以来海面上升对埃及北部地下水盐度的影响, 本文建立了Nubian含水层系统的地下水数值模型。本文还研究了140,000年以来, 包含气候变化因素的一种地下水补给情景模式对盐水-淡水界面的效应。地中海水面升高所诱发的盐水入侵导致了自地中海至Qattara凹陷一带盐化的发生。模拟得到密度流模型计算的支持。模拟的盐水-淡水界面部分与观测结果相吻合, 特别是在Qattara凹陷的南半部。在Nubian含水层系统北部的其它部分, 对盐水入侵的模拟恰当, 但在西部, 与某些小区域的测量结果不符。对Qattara凹陷 (埃及) 和Sirte盆地 (利比亚) 。Sirte盆地表现的不同行为可能是由于过去某些时期的高蒸发速率、来自前第四系地层的盐溶液的加入或现今类萨布卡环境下含盐沉积中盐水的渗入。 Foi criado um modelo hidrogeológico numérico do Sistema Aquífero Nubiano para provar a influência que teve a subida do nível do mar na salinidade da água subterrânea no norte do Egipto ao longo dos últimos 140,000 anos. Adicionalmente, foi investigado o impacte na interface água doce-água salgada de um cenário de recarga para estes 140,000 anos que inclui alterações climáticas. A intrusão salina induzida pela subida do nível do Mar Mediterrâneo conduziu à salinização desde o Mar Mediterrâneo até à depressão de Qattara. Esta abordagem por modelação apoiou-se num modelo de densidade variável e em cálculo. As interfaces água doce-água salgada modelizadas coincidem parcialmente com as observadas, especialmente na metade sul da depressão de Qattara. Noutras partes do norte do Sistema Aquífero Nubiano, a entrada da água salgada foi satisfatoriamente modelizada, mas não a oeste, em pequenas regiões onde a interface foi localizada. Foi investigado em maior detalhe o desenvolvimento na depressão de Qattara (Egipto) e na bacia de Sirte (Líbia). O diferente comportamento na bacia de Sirte poderá dever-se a mais elevadas taxas de evapotranspiração em alguns períodos anteriores, a soluções salinas provenientes das camadas pré-Quaternárias ou à infiltração de água marinha a partir de sedimentos salinos recentes do tipo sabkha. تم إنشاء نموذج رقمى للمياه الجوفية لنظام الخزان الجوفى النوبي لإثبات تأثير ارتفاع مستوى سطح البحر على ملوحة المياه الجوفية في شمال مصر على مدى ال 140,000 سنة الماضية. بالإضافة إلى ذلك ، تم بحث سيناريو أثر التغذية للمياه الجوفية، متضمنة تغير المناخ، فى هذه الفترة على حدود المياه المالحة بالمياه العذبة. تداخل المياه المالحة الناجمة عن إرتفاع منسوب المياه في البحر الأبيض المتوسط أدت إلى إرتفاع نسبة الملوحة من البحر المتوسط إلى منخفض القطارة. هذا النموذج تم دعمه بتصور و حسابات مرتكزة بدورها على الكثافة. أسطح أو حدود المياه المالحة والمياه العذبة المحسوبة بالنموذج تطابقت جزئيا مع تلك الأسطح الملاحظة ، وخاصة في النصف الجنوبي من منخفض القطارة. في أجزاء أخرى من شمال نظام الخزان الجوفى النوبي ، تم نمذجة تداخل المياه المالحة بشكل واف، ولكن ذلك لم يتم بشكل كاف فى مناطق صغيرة فى الغرب. بمزيد من التفصيل، تمت دراسة التطور في منخفض القطارة (مصر) وحوض سرت (ليبيا). السلوك المختلف في حوض سرت قد يكون نتيجة لإرتفاع معدلات التبخر في بعض الفترات السابقة ، أو ذوبان الأملاح لطبقات ما قبل الرباعي أو توغل المياه المالحة من السبخة ، مثل الرواسب الحديثة الحاملة للأملاح.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/5311336" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="de609f10ea9def8386937d7bd89d5954" rel="nofollow" data-download="{"attachment_id":49351729,"asset_id":5311336,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/49351729/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="27644" href="https://aun.academia.edu/AhmedSefelnasr">Ahmed Sefelnasr</a><script data-card-contents-for-user="27644" type="text/json">{"id":27644,"first_name":"Ahmed","last_name":"Sefelnasr","domain_name":"aun","page_name":"AhmedSefelnasr","display_name":"Ahmed Sefelnasr","profile_url":"https://aun.academia.edu/AhmedSefelnasr?f_ri=411","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_5311336 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="5311336"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 5311336, container: ".js-paper-rank-work_5311336", }); 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In addition, the impact of a groundwater recharge scenario for these 140,000 years, involving climatic change, on the saltwater/freshwater interface was investigated. Saltwater intrusion induced by rising water levels of the Mediterranean Sea led to salinisation from the Mediterranean Sea to the Qattara depression. This modeling approach was supported by a density-driven model setup and calculation. The modelled saltwater/freshwater interfaces partially fitted the observed ones, especially in the southern half of the Qattara depression. In other parts of the northern Nubian Aquifer System, the ingression of salt water was modelled adequately, but in the west, small regions of the measured interface were not. The development in the Qattara depression (Egypt) and Sirte basin (Libya) were investigated in more detail. The different behaviour in the Sirte basin may be due to high evapotranspiration rates in some former periods, salt solutions from the pre-Quaternary layers or saltwater infiltration from sabkha-like recent salt-bearing sediments. On a établi un modèle numérique du Système Aquifère Nubien pour prouver l’influence de l’augmentation des niveaux marins sur la salinité de la nappe du Nord de l’Egypte durant les 140,000 dernières années. De plus, on a étudié l’incidence du réchauffement climatique sur la recharge et sur l’interface eau saline–eau douce durant ces 140,000 années. Une intrusion d’eau salée induite par l’augmentation du niveau de la Mer Méditerranée a conduit à la salinisation de la dépression Qattara. Cette approche modélisée a été basée sur la densité et le calcul. Les interfaces eau salée–eau douce modélisées correspondent en partie aux interfaces observées, particulièrement dans la motié Sud de la dépression Qattara. Au Nord, dans d’autres parties du Système Aquifère Lybien, l’intrusion salée a été modélisée de façon satisfaisante, ce qui n’est pas le cas dans des zones restreintes de l’Ouest. Les intrusions dans la dépression Qattara (Egypte) et dans le bassin Syrte (Lybie) ont été étudiées de façon plus détaillée. La situation différente dans le bassin Syrte peut résulter de taux élevés d’évapotranspiration durant des périodes antérieures, d’infiltrations de solutions salées provenant de dépôts pré-quaternaires, ou de sédiments salifères récents semblables aux sebkas. Zur Einschätzung des Einflusses des ansteigenden Meeresspiegels auf die Grundwasserversalzung in Nord-Ägypten wurde ein numerisches Grundwassermodell für die vergangenen 140,000 Jahre erstellt. Zusätzlich wurde ein Szenario der Grundwasserneubildung für diesen Zeitraum untersucht. Die Intrusion von Salzwasser, die durch den Meeresspiegelanstieg hervorgerufen wurde, führte zu einer Versalzung vom Mittelmeer bis zur Qattara-Senke. Im Modellansatz wurde die Dichte-gekoppelte Strömung beim Modellaufbau und der Berechnung berücksichtigt. Die modellierte Salz–Süßwasser-Grenze entsprach dem beobachteten Verlauf besonders in der Südhälfte der Qattara-Senke. In anderen Teilen des nördlichen Nubischen Aquifer Systems konnte diese Linie ebenfalls adäquat wiedergegeben werden, mit Ausnahme des Westens. Die Entwicklungen in der Qattara-Senke (Ägypten) und im Sirte-Becken (Libyen) wurden im Detail untersucht. Die Unterschiede im Sirte-Becken können auf eine zeitweise höhere Evapotranspiration, Salzauslaugungen präquartärer Schichten oder Salzwasserintrusionen von Sabkha-ähnlichen salzhaltigen Sedimenten zurückgeführt werden. El efecto de la subida del nivel del mar sobre la salinización del agua subterránea en el norte de Egipto en el curso de los últimos 140,000 años fué simulado mediante un modelo numérico. Esta simulación contempló efectos de la recarga del agua subterránea en este período así como efectos de densidad. Los resultados indican que la intrusión de agua salada causada por el cambio del nivel del mar lleva a una intrusión salina hacia el sur hasta la depresión de Qattara y coinciden muy bien con el límite observado en el sur de la depresión. Con exepción de la zona oeste, el modelo reprodujo con suficiente exactitud los límites entre aguas salinas y dulces en otras partes del Sistema Acuífero Nubian. Las diferencias entre lo observado y la simulación en la Cuenca Sirte posiblemente puede atribuirse a tasas elevadas de evapotranspiración en períodos anteriores, a soluciones salinas provenientes de capas pre – cuaternarias o a infiltración de agua salada desde sedimentos salinos recientes parecidos a playas. 为证实140,000年以来海面上升对埃及北部地下水盐度的影响, 本文建立了Nubian含水层系统的地下水数值模型。本文还研究了140,000年以来, 包含气候变化因素的一种地下水补给情景模式对盐水-淡水界面的效应。地中海水面升高所诱发的盐水入侵导致了自地中海至Qattara凹陷一带盐化的发生。模拟得到密度流模型计算的支持。模拟的盐水-淡水界面部分与观测结果相吻合, 特别是在Qattara凹陷的南半部。在Nubian含水层系统北部的其它部分, 对盐水入侵的模拟恰当, 但在西部, 与某些小区域的测量结果不符。对Qattara凹陷 (埃及) 和Sirte盆地 (利比亚) 。Sirte盆地表现的不同行为可能是由于过去某些时期的高蒸发速率、来自前第四系地层的盐溶液的加入或现今类萨布卡环境下含盐沉积中盐水的渗入。 Foi criado um modelo hidrogeológico numérico do Sistema Aquífero Nubiano para provar a influência que teve a subida do nível do mar na salinidade da água subterrânea no norte do Egipto ao longo dos últimos 140,000 anos. Adicionalmente, foi investigado o impacte na interface água doce-água salgada de um cenário de recarga para estes 140,000 anos que inclui alterações climáticas. A intrusão salina induzida pela subida do nível do Mar Mediterrâneo conduziu à salinização desde o Mar Mediterrâneo até à depressão de Qattara. Esta abordagem por modelação apoiou-se num modelo de densidade variável e em cálculo. As interfaces água doce-água salgada modelizadas coincidem parcialmente com as observadas, especialmente na metade sul da depressão de Qattara. Noutras partes do norte do Sistema Aquífero Nubiano, a entrada da água salgada foi satisfatoriamente modelizada, mas não a oeste, em pequenas regiões onde a interface foi localizada. Foi investigado em maior detalhe o desenvolvimento na depressão de Qattara (Egipto) e na bacia de Sirte (Líbia). O diferente comportamento na bacia de Sirte poderá dever-se a mais elevadas taxas de evapotranspiração em alguns períodos anteriores, a soluções salinas provenientes das camadas pré-Quaternárias ou à infiltração de água marinha a partir de sedimentos salinos recentes do tipo sabkha. تم إنشاء نموذج رقمى للمياه الجوفية لنظام الخزان الجوفى النوبي لإثبات تأثير ارتفاع مستوى سطح البحر على ملوحة المياه الجوفية في شمال مصر على مدى ال 140,000 سنة الماضية. بالإضافة إلى ذلك ، تم بحث سيناريو أثر التغذية للمياه الجوفية، متضمنة تغير المناخ، فى هذه الفترة على حدود المياه المالحة بالمياه العذبة. تداخل المياه المالحة الناجمة عن إرتفاع منسوب المياه في البحر الأبيض المتوسط أدت إلى إرتفاع نسبة الملوحة من البحر المتوسط إلى منخفض القطارة. هذا النموذج تم دعمه بتصور و حسابات مرتكزة بدورها على الكثافة. أسطح أو حدود المياه المالحة والمياه العذبة المحسوبة بالنموذج تطابقت جزئيا مع تلك الأسطح الملاحظة ، وخاصة في النصف الجنوبي من منخفض القطارة. في أجزاء أخرى من شمال نظام الخزان الجوفى النوبي ، تم نمذجة تداخل المياه المالحة بشكل واف، ولكن ذلك لم يتم بشكل كاف فى مناطق صغيرة فى الغرب. بمزيد من التفصيل، تمت دراسة التطور في منخفض القطارة (مصر) وحوض سرت (ليبيا). السلوك المختلف في حوض سرت قد يكون نتيجة لإرتفاع معدلات التبخر في بعض الفترات السابقة ، أو ذوبان الأملاح لطبقات ما قبل الرباعي أو توغل المياه المالحة من السبخة ، مثل الرواسب الحديثة الحاملة للأملاح.","downloadable_attachments":[{"id":49351729,"asset_id":5311336,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":27644,"first_name":"Ahmed","last_name":"Sefelnasr","domain_name":"aun","page_name":"AhmedSefelnasr","display_name":"Ahmed Sefelnasr","profile_url":"https://aun.academia.edu/AhmedSefelnasr?f_ri=411","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":38342,"name":"Groundwater recharge","url":"https://www.academia.edu/Documents/in/Groundwater_recharge?f_ri=411","nofollow":true},{"id":50243,"name":"Mediterranean Sea","url":"https://www.academia.edu/Documents/in/Mediterranean_Sea?f_ri=411"},{"id":99629,"name":"Evapotranspiration","url":"https://www.academia.edu/Documents/in/Evapotranspiration?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_7648856" data-work_id="7648856" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/7648856/A_Phase_Partitioning_Model_for_CO_2_Brine_Mixtures_at_Elevated_Temperatures_and_Pressures_Application_to_CO_2_Enhanced_Geothermal_Systems">A Phase-Partitioning Model for CO 2 –Brine Mixtures at Elevated Temperatures and Pressures: Application to CO 2 Enhanced Geothermal Systems</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Correlations are presented to compute the mutual solubilities of CO2 and chloride brines at temperatures 12–300°C, pressures 1–600 bar (0.1–60 MPa), and salinities 0–6 m NaCl. The formulation is computationally efficient and primarily... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_7648856" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Correlations are presented to compute the mutual solubilities of CO2 and chloride brines at temperatures 12–300°C, pressures 1–600 bar (0.1–60 MPa), and salinities 0–6 m NaCl. The formulation is computationally efficient and primarily intended for numerical simulations of CO2-water flow in carbon sequestration and geothermal studies. The phase-partitioning model relies on experimental data from literature for phase partitioning between CO2 and NaCl brines, and extends the previously published correlations to higher temperatures. The model relies on activity coefficients for the H2O-rich (aqueous) phase and fugacity coefficients for the CO2-rich phase. Activity coefficients are treated using a Margules expression for CO2 in pure water, and a Pitzer expression for salting-out effects. Fugacity coefficients are computed using a modified Redlich–Kwong equation of state and mixing rules that incorporate asymmetric binary interaction parameters. Parameters for the calculation of activity and fugacity coefficients were fitted to published solubility data over the P–T range of interest. In doing so, mutual solubilities and gas-phase volumetric data are typically reproduced within the scatter of the available data. An example of multiphase flow simulation implementing the mutual solubility model is presented for the case of a hypothetical, enhanced geothermal system where CO2 is used as the heat extraction fluid. In this simulation, dry supercritical CO2 at 20°C is injected into a 200°C hot-water reservoir. Results show that the injected CO2 displaces the formation water relatively quickly, but that the produced CO2 contains significant water for long periods of time. The amount of water in the CO2 could have implications for reactivity with reservoir rocks and engineered materials.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/7648856" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="933e6270cb229b6808aba80b1ce32360" rel="nofollow" data-download="{"attachment_id":48385039,"asset_id":7648856,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/48385039/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="13859969" href="https://lbl.academia.edu/NicolasSpycher">Nicolas Spycher</a><script data-card-contents-for-user="13859969" type="text/json">{"id":13859969,"first_name":"Nicolas","last_name":"Spycher","domain_name":"lbl","page_name":"NicolasSpycher","display_name":"Nicolas Spycher","profile_url":"https://lbl.academia.edu/NicolasSpycher?f_ri=411","photo":"https://0.academia-photos.com/13859969/23556441/22605127/s65_nicolas.spycher.jpg"}</script></span></span></li><li class="js-paper-rank-work_7648856 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="7648856"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 7648856, container: ".js-paper-rank-work_7648856", }); });</script></li><li class="js-percentile-work_7648856 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 7648856; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_7648856"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_7648856 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="7648856"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7648856; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=7648856]").text(description); $(".js-view-count-work_7648856").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_7648856").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="7648856"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">24</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="72" rel="nofollow" href="https://www.academia.edu/Documents/in/Chemical_Engineering">Chemical Engineering</a>, <script data-card-contents-for-ri="72" type="text/json">{"id":72,"name":"Chemical Engineering","url":"https://www.academia.edu/Documents/in/Chemical_Engineering?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="73" rel="nofollow" href="https://www.academia.edu/Documents/in/Civil_Engineering">Civil Engineering</a>, <script data-card-contents-for-ri="73" type="text/json">{"id":73,"name":"Civil Engineering","url":"https://www.academia.edu/Documents/in/Civil_Engineering?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="305" rel="nofollow" href="https://www.academia.edu/Documents/in/Applied_Mathematics">Applied Mathematics</a>, <script data-card-contents-for-ri="305" type="text/json">{"id":305,"name":"Applied Mathematics","url":"https://www.academia.edu/Documents/in/Applied_Mathematics?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="400" rel="nofollow" href="https://www.academia.edu/Documents/in/Earth_Sciences">Earth Sciences</a><script data-card-contents-for-ri="400" type="text/json">{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=7648856]'), work: {"id":7648856,"title":"A Phase-Partitioning Model for CO 2 –Brine Mixtures at Elevated Temperatures and Pressures: Application to CO 2 Enhanced Geothermal Systems","created_at":"2014-07-13T04:59:56.837-07:00","url":"https://www.academia.edu/7648856/A_Phase_Partitioning_Model_for_CO_2_Brine_Mixtures_at_Elevated_Temperatures_and_Pressures_Application_to_CO_2_Enhanced_Geothermal_Systems?f_ri=411","dom_id":"work_7648856","summary":"Correlations are presented to compute the mutual solubilities of CO2 and chloride brines at temperatures 12–300°C, pressures 1–600 bar (0.1–60 MPa), and salinities 0–6 m NaCl. The formulation is computationally efficient and primarily intended for numerical simulations of CO2-water flow in carbon sequestration and geothermal studies. The phase-partitioning model relies on experimental data from literature for phase partitioning between CO2 and NaCl brines, and extends the previously published correlations to higher temperatures. The model relies on activity coefficients for the H2O-rich (aqueous) phase and fugacity coefficients for the CO2-rich phase. Activity coefficients are treated using a Margules expression for CO2 in pure water, and a Pitzer expression for salting-out effects. Fugacity coefficients are computed using a modified Redlich–Kwong equation of state and mixing rules that incorporate asymmetric binary interaction parameters. Parameters for the calculation of activity and fugacity coefficients were fitted to published solubility data over the P–T range of interest. In doing so, mutual solubilities and gas-phase volumetric data are typically reproduced within the scatter of the available data. An example of multiphase flow simulation implementing the mutual solubility model is presented for the case of a hypothetical, enhanced geothermal system where CO2 is used as the heat extraction fluid. In this simulation, dry supercritical CO2 at 20°C is injected into a 200°C hot-water reservoir. Results show that the injected CO2 displaces the formation water relatively quickly, but that the produced CO2 contains significant water for long periods of time. The amount of water in the CO2 could have implications for reactivity with reservoir rocks and engineered materials.","downloadable_attachments":[{"id":48385039,"asset_id":7648856,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":13859969,"first_name":"Nicolas","last_name":"Spycher","domain_name":"lbl","page_name":"NicolasSpycher","display_name":"Nicolas Spycher","profile_url":"https://lbl.academia.edu/NicolasSpycher?f_ri=411","photo":"https://0.academia-photos.com/13859969/23556441/22605127/s65_nicolas.spycher.jpg"}],"research_interests":[{"id":72,"name":"Chemical Engineering","url":"https://www.academia.edu/Documents/in/Chemical_Engineering?f_ri=411","nofollow":true},{"id":73,"name":"Civil Engineering","url":"https://www.academia.edu/Documents/in/Civil_Engineering?f_ri=411","nofollow":true},{"id":305,"name":"Applied Mathematics","url":"https://www.academia.edu/Documents/in/Applied_Mathematics?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411"},{"id":3717,"name":"Geotechnical Engineering","url":"https://www.academia.edu/Documents/in/Geotechnical_Engineering?f_ri=411"},{"id":5303,"name":"Carbon","url":"https://www.academia.edu/Documents/in/Carbon?f_ri=411"},{"id":11643,"name":"Carbon Sequestration","url":"https://www.academia.edu/Documents/in/Carbon_Sequestration?f_ri=411"},{"id":42811,"name":"Mixing","url":"https://www.academia.edu/Documents/in/Mixing?f_ri=411"},{"id":48636,"name":"Simulation","url":"https://www.academia.edu/Documents/in/Simulation?f_ri=411"},{"id":57085,"name":"Transport Phenomena in Porous Media","url":"https://www.academia.edu/Documents/in/Transport_Phenomena_in_Porous_Media?f_ri=411"},{"id":60194,"name":"Transport","url":"https://www.academia.edu/Documents/in/Transport?f_ri=411"},{"id":60658,"name":"Numerical Simulation","url":"https://www.academia.edu/Documents/in/Numerical_Simulation?f_ri=411"},{"id":65140,"name":"Models","url":"https://www.academia.edu/Documents/in/Models?f_ri=411"},{"id":76849,"name":"Reservoir","url":"https://www.academia.edu/Documents/in/Reservoir?f_ri=411"},{"id":81504,"name":"Correlation","url":"https://www.academia.edu/Documents/in/Correlation?f_ri=411"},{"id":82107,"name":"Salinity","url":"https://www.academia.edu/Documents/in/Salinity?f_ri=411"},{"id":90637,"name":"Porous Media","url":"https://www.academia.edu/Documents/in/Porous_Media?f_ri=411"},{"id":133177,"name":"Temperature","url":"https://www.academia.edu/Documents/in/Temperature?f_ri=411"},{"id":193156,"name":"Reservoirs","url":"https://www.academia.edu/Documents/in/Reservoirs?f_ri=411"},{"id":205575,"name":"Oxygen Fugacity","url":"https://www.academia.edu/Documents/in/Oxygen_Fugacity?f_ri=411"},{"id":205584,"name":"Solubility","url":"https://www.academia.edu/Documents/in/Solubility?f_ri=411"},{"id":473139,"name":"Brine","url":"https://www.academia.edu/Documents/in/Brine?f_ri=411"},{"id":1320599,"name":"Equation of State","url":"https://www.academia.edu/Documents/in/Equation_of_State?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_12300600 coauthored" data-work_id="12300600" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/12300600/Hydrogeology_and_groundwater_flow_in_a_basalt_capped_Mesozoic_sedimentary_series_of_the_Ethiopian_highlands">Hydrogeology and groundwater flow in a basalt-capped Mesozoic sedimentary series of the Ethiopian highlands</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/12300600" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="7c71ddd6c9dceb29fe2afdf9893abe15" rel="nofollow" data-download="{"attachment_id":46255983,"asset_id":12300600,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/46255983/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="30913574" href="https://independent.academia.edu/MartensKristine">Kristine Martens</a><script data-card-contents-for-user="30913574" type="text/json">{"id":30913574,"first_name":"Kristine","last_name":"Martens","domain_name":"independent","page_name":"MartensKristine","display_name":"Kristine Martens","profile_url":"https://independent.academia.edu/MartensKristine?f_ri=411","photo":"/images/s65_no_pic.png"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-12300600">+3</span><div class="hidden js-additional-users-12300600"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://ugent.academia.edu/JanNyssen">Jan Nyssen</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/FlorimondDesmedt">Florimond De Smedt</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/JanMoeyersons">Jan Moeyersons</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-12300600'), placement: 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container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_12300600 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="12300600"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 12300600; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=12300600]").text(description); $(".js-view-count-work_12300600").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_12300600").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="12300600"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">13</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="48" rel="nofollow" href="https://www.academia.edu/Documents/in/Engineering">Engineering</a>, <script data-card-contents-for-ri="48" type="text/json">{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="400" rel="nofollow" href="https://www.academia.edu/Documents/in/Earth_Sciences">Earth Sciences</a>, <script data-card-contents-for-ri="400" type="text/json">{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a>, <script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="38342" rel="nofollow" href="https://www.academia.edu/Documents/in/Groundwater_recharge">Groundwater recharge</a><script data-card-contents-for-ri="38342" type="text/json">{"id":38342,"name":"Groundwater recharge","url":"https://www.academia.edu/Documents/in/Groundwater_recharge?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=12300600]'), work: {"id":12300600,"title":"Hydrogeology and groundwater flow in a basalt-capped Mesozoic sedimentary series of the Ethiopian highlands","created_at":"2015-05-08T15:57:55.009-07:00","url":"https://www.academia.edu/12300600/Hydrogeology_and_groundwater_flow_in_a_basalt_capped_Mesozoic_sedimentary_series_of_the_Ethiopian_highlands?f_ri=411","dom_id":"work_12300600","summary":null,"downloadable_attachments":[{"id":46255983,"asset_id":12300600,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":30913574,"first_name":"Kristine","last_name":"Martens","domain_name":"independent","page_name":"MartensKristine","display_name":"Kristine Martens","profile_url":"https://independent.academia.edu/MartensKristine?f_ri=411","photo":"/images/s65_no_pic.png"},{"id":31505595,"first_name":"Jan","last_name":"Nyssen","domain_name":"ugent","page_name":"JanNyssen","display_name":"Jan Nyssen","profile_url":"https://ugent.academia.edu/JanNyssen?f_ri=411","photo":"https://0.academia-photos.com/31505595/9309482/10376448/s65_jan.nyssen.jpg"},{"id":31239321,"first_name":"Florimond","last_name":"De Smedt","domain_name":"independent","page_name":"FlorimondDesmedt","display_name":"Florimond De Smedt","profile_url":"https://independent.academia.edu/FlorimondDesmedt?f_ri=411","photo":"/images/s65_no_pic.png"},{"id":31166392,"first_name":"Jan","last_name":"Moeyersons","domain_name":"independent","page_name":"JanMoeyersons","display_name":"Jan Moeyersons","profile_url":"https://independent.academia.edu/JanMoeyersons?f_ri=411","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":38342,"name":"Groundwater recharge","url":"https://www.academia.edu/Documents/in/Groundwater_recharge?f_ri=411","nofollow":true},{"id":57433,"name":"Seasonality","url":"https://www.academia.edu/Documents/in/Seasonality?f_ri=411"},{"id":165221,"name":"Water Table","url":"https://www.academia.edu/Documents/in/Water_Table?f_ri=411"},{"id":222432,"name":"Seasonal variation","url":"https://www.academia.edu/Documents/in/Seasonal_variation?f_ri=411"},{"id":420417,"name":"Groundwater flow","url":"https://www.academia.edu/Documents/in/Groundwater_flow?f_ri=411"},{"id":806074,"name":"Water Deficit","url":"https://www.academia.edu/Documents/in/Water_Deficit?f_ri=411"},{"id":877207,"name":"Water Level","url":"https://www.academia.edu/Documents/in/Water_Level?f_ri=411"},{"id":980672,"name":"Perch","url":"https://www.academia.edu/Documents/in/Perch?f_ri=411"},{"id":1222799,"name":"Soil Water","url":"https://www.academia.edu/Documents/in/Soil_Water?f_ri=411"},{"id":1726489,"name":"Water budget","url":"https://www.academia.edu/Documents/in/Water_budget?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_5400774" data-work_id="5400774" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/5400774/Hydrogeological_impact_on_fluoride_distribution_in_groundwater_of_western_part_of_Bhadravati_Tehsil_District_Chandrapur_Maharashtra">Hydrogeological impact on fluoride distribution in groundwater of western part of Bhadravati Tehsil, District Chandrapur, Maharashtra</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Hydrogeology has primary concerned with the mode of accumulation, distribution and chemistry of groundwater in relation to geological environment. Geological framework broadly governs the occurrence and movement of groundwater below the... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_5400774" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Hydrogeology has primary concerned with the mode of accumulation, distribution and chemistry of groundwater in relation to geological environment. Geological framework broadly governs the occurrence and movement of groundwater below the surface. Fluoride rich minerals decompose and dissociate from the source rock into groundwater during the rockwater interaction process. In the present paper an attempt is made to study various hydrogeologcal factors which control fluoride distribution in groundwater. Major part of study area is occupied by Talchir and Kamthi formations of Gondwana Supergroup along with Lametas and alluvium. F-distribution in groundwater from Lametas is higher as compared to Gondwanas and alluvium. In Gondwana sediments high fluoridated water is observed in Talchir shales as compared to Kamthi sandstones. The study reveals that in recharge zone the fluoride distribution in groundwater is high as compared to runoff and storage zones.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/5400774" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="7c27c6ba262ca50e555dd5ca701af35d" rel="nofollow" data-download="{"attachment_id":32537828,"asset_id":5400774,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/32537828/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="511947" href="https://nagpuruniversity.academia.edu/apopharegmailcom">Anil M Pophare</a><script data-card-contents-for-user="511947" type="text/json">{"id":511947,"first_name":"Anil","last_name":"Pophare","domain_name":"nagpuruniversity","page_name":"apopharegmailcom","display_name":"Anil M Pophare","profile_url":"https://nagpuruniversity.academia.edu/apopharegmailcom?f_ri=411","photo":"https://0.academia-photos.com/511947/2735669/6958973/s65_anil.pophare.jpg"}</script></span></span></li><li class="js-paper-rank-work_5400774 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="5400774"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 5400774, container: ".js-paper-rank-work_5400774", }); 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Geological framework broadly governs the occurrence and movement of groundwater below the surface. Fluoride rich minerals decompose and dissociate from the source rock into groundwater during the rockwater interaction process. In the present paper an attempt is made to study various hydrogeologcal factors which control fluoride distribution in groundwater. Major part of study area is occupied by Talchir and Kamthi formations of Gondwana Supergroup along with Lametas and alluvium. F-distribution in groundwater from Lametas is higher as compared to Gondwanas and alluvium. In Gondwana sediments high fluoridated water is observed in Talchir shales as compared to Kamthi sandstones. The study reveals that in recharge zone the fluoride distribution in groundwater is high as compared to runoff and storage zones.","downloadable_attachments":[{"id":32537828,"asset_id":5400774,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":511947,"first_name":"Anil","last_name":"Pophare","domain_name":"nagpuruniversity","page_name":"apopharegmailcom","display_name":"Anil M Pophare","profile_url":"https://nagpuruniversity.academia.edu/apopharegmailcom?f_ri=411","photo":"https://0.academia-photos.com/511947/2735669/6958973/s65_anil.pophare.jpg"}],"research_interests":[{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":6593,"name":"Hydrochemistry","url":"https://www.academia.edu/Documents/in/Hydrochemistry?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_33521685" data-work_id="33521685" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/33521685/THE_ORIGIN_OF_MAGNESIUM_IN_THE_GROUNDWATERS_OF_NORTHEASTERN_BOSNIA">THE ORIGIN OF MAGNESIUM IN THE GROUNDWATERS OF NORTHEASTERN BOSNIA</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The paper is based on 237 chemical analysis of groundwater, where the determination of magnesium origin in groundwatersof northeastern Bosnia were performed. The determination of magnesium origin in groundwaterswere carried through on the... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_33521685" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The paper is based on 237 chemical analysis of groundwater, where the determination of magnesium origin in groundwatersof northeastern Bosnia were performed. The determination of magnesium origin in groundwaterswere carried through on the basis of Mandel & Shiftan classification. Based on the results, a distribution map of Mg 2+ ions in groundwaters in northeastern Bosnia were drafted.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/33521685" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="6a015373246491a179b7dc13655f50d6" rel="nofollow" data-download="{"attachment_id":53556939,"asset_id":33521685,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/53556939/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="25308735" href="https://untz.academia.edu/DadoSrkalovic">Dado Srkalovic</a><script data-card-contents-for-user="25308735" type="text/json">{"id":25308735,"first_name":"Dado","last_name":"Srkalovic","domain_name":"untz","page_name":"DadoSrkalovic","display_name":"Dado Srkalovic","profile_url":"https://untz.academia.edu/DadoSrkalovic?f_ri=411","photo":"https://0.academia-photos.com/25308735/6889411/7773559/s65_dado.srkalovic.jpg"}</script></span></span></li><li class="js-paper-rank-work_33521685 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="33521685"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 33521685, container: ".js-paper-rank-work_33521685", }); 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The determination of magnesium origin in groundwaterswere carried through on the basis of Mandel \u0026 Shiftan classification. Based on the results, a distribution map of Mg 2+ ions in groundwaters in northeastern Bosnia were drafted.","downloadable_attachments":[{"id":53556939,"asset_id":33521685,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":25308735,"first_name":"Dado","last_name":"Srkalovic","domain_name":"untz","page_name":"DadoSrkalovic","display_name":"Dado Srkalovic","profile_url":"https://untz.academia.edu/DadoSrkalovic?f_ri=411","photo":"https://0.academia-photos.com/25308735/6889411/7773559/s65_dado.srkalovic.jpg"}],"research_interests":[{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":523,"name":"Chemistry","url":"https://www.academia.edu/Documents/in/Chemistry?f_ri=411","nofollow":true},{"id":6951,"name":"Groundwater","url":"https://www.academia.edu/Documents/in/Groundwater?f_ri=411","nofollow":true},{"id":9702,"name":"Groundwater Contamination","url":"https://www.academia.edu/Documents/in/Groundwater_Contamination?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_18784595" data-work_id="18784595" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/18784595/STUDY_QF_GROUNDWATER_QUALITY_FOR_IRRIGATION_IN_VEERAPANDY_BLOCK_SALEM_DISTRICT_TAMILNADU">STUDY QF GROUNDWATER QUALITY FOR IRRIGATION IN VEERAPANDY BLOCK, SALEM DISTRICT, TAMILNADU.</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Hydrogeochemical study was carried out in Veerapandy block located near Salem in Tamil Nadu, India with an objective of understanding the suitability oflocal groundwater quality for irrigation purposes. Fifteen representative groundwater... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_18784595" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Hydrogeochemical study was carried out in Veerapandy block located near Salem in Tamil Nadu, India with an objective of<br />understanding the suitability oflocal groundwater quality for irrigation purposes. Fifteen representative groundwater samples rvere<br />collected during February,2ol3 and analysed for physical and chemical parameters. Groundwater in this area was assessed tbr<br />irrigation purposes on the basis of Sodium percentage (Na 7o), Magnesium hazard (MH), Residual Sodium Carbonate (RSC,.<br />SodiumAbsorption Ratio (SAR), Permeability Index (PI) and WILCOX, GIBBS and USSL classifications. Most of the grounds ater<br />samples were suitable for irrigation, except in a few locations (l5Vo) based on Magnesium hazard .</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/18784595" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="46365fe2e84637387a2b4808d8d15ed3" rel="nofollow" data-download="{"attachment_id":40253399,"asset_id":18784595,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/40253399/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="38863272" href="https://independent.academia.edu/AppliedGeologyGandhigram">Applied Geology Gandhigram</a><script data-card-contents-for-user="38863272" type="text/json">{"id":38863272,"first_name":"Applied Geology","last_name":"Gandhigram","domain_name":"independent","page_name":"AppliedGeologyGandhigram","display_name":"Applied Geology Gandhigram","profile_url":"https://independent.academia.edu/AppliedGeologyGandhigram?f_ri=411","photo":"https://0.academia-photos.com/38863272/10763572/12014713/s65_applied_geology.gandhigram.jpg_oh_f7111017d38a102ef24ead44217a3475_oe_56b2b924"}</script></span></span></li><li class="js-paper-rank-work_18784595 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="18784595"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 18784595, container: ".js-paper-rank-work_18784595", }); 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Fifteen representative groundwater samples rvere\ncollected during February,2ol3 and analysed for physical and chemical parameters. Groundwater in this area was assessed tbr\nirrigation purposes on the basis of Sodium percentage (Na 7o), Magnesium hazard (MH), Residual Sodium Carbonate (RSC,.\nSodiumAbsorption Ratio (SAR), Permeability Index (PI) and WILCOX, GIBBS and USSL classifications. Most of the grounds ater\nsamples were suitable for irrigation, except in a few locations (l5Vo) based on Magnesium hazard .","downloadable_attachments":[{"id":40253399,"asset_id":18784595,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":38863272,"first_name":"Applied Geology","last_name":"Gandhigram","domain_name":"independent","page_name":"AppliedGeologyGandhigram","display_name":"Applied Geology Gandhigram","profile_url":"https://independent.academia.edu/AppliedGeologyGandhigram?f_ri=411","photo":"https://0.academia-photos.com/38863272/10763572/12014713/s65_applied_geology.gandhigram.jpg_oh_f7111017d38a102ef24ead44217a3475_oe_56b2b924"}],"research_interests":[{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_71138646" data-work_id="71138646" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" rel="nofollow" href="https://www.academia.edu/71138646/Arizona_Well_Owners_Guide_to_Water_Supply">Arizona Well Owners' Guide to Water Supply</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/71138646" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="b3ee68d100f6a9b7973a68b32a6988e3" rel="nofollow" data-download="{"attachment_id":80888107,"asset_id":71138646,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/80888107/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="214118456" rel="nofollow" href="https://independent.academia.edu/Uhlman">Kristine Uhlman</a><script data-card-contents-for-user="214118456" type="text/json">{"id":214118456,"first_name":"Kristine","last_name":"Uhlman","domain_name":"independent","page_name":"Uhlman","display_name":"Kristine Uhlman","profile_url":"https://independent.academia.edu/Uhlman?f_ri=411","photo":"https://0.academia-photos.com/214118456/72867415/61339627/s65_kristine.uhlman.jpeg"}</script></span></span></li><li class="js-paper-rank-work_71138646 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="71138646"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 71138646, container: ".js-paper-rank-work_71138646", }); 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With the site characterisation and risk... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_59514018" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The Cooperative Research Centre for Greenhouse Gas Technologies (CO2CRC) Otway Project in Australia is the first heavily monitored pilot site for CO 2 storage in a depleted natural gas reservoir. With the site characterisation and risk analysis complete, the new CRC-1 injection well was drilled in April 2007. An updated static and dynamic model forecast an injected gas transit time of between 4 and 8 months between CRC-1 injection and Naylor-1 observation wells. Injection began on March 18th 2008 and was halted on August 29th 2009 with 65,445 tonnes of CO 2 mixed gas stored. Two pulses of tracer compounds were added to help identify the injected CO 2 from other naturally occurring CO 2 and to track dispersion and diffusion. Assurance monitoring included surveillance of the atmosphere, soil gas and shallow groundwater. To date, no tracer compounds have been detected above background levels in samples taken as part of the assurance monitoring system. Monitoring of the reservoir has been accomplished with a combined geophysical and geochemical approach. Formation fluids are sampled at pressure with the multilevel U-Tube system. The transient geochemistry at the observation well has: (1) recorded injected gas arrival at the Naylor-1 observation well; (2) recorded tracer compound arrival at Naylor-1; (3) shown a mixing trend between the isotopic signature of the Naylor indigenous CO 2 and that of the injection supply gas; and (4) provided an estimate for the dynamic storage capacity for a portion of the Naylor reservoir. The data collected are compared with the pre-injection dynamic model forecasts and provide a means of calibration. The CO2CRC Otway Project has successfully demonstrated the storage of CO 2 in a depleted gas field. Geochemical assurance monitoring and reservoir surveillance will continue post injection. Continued analysis of the data will serve to reduce uncertainty in forecasting long term fate of the injected CO 2 mixed gas.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/59514018" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="1b7be13ac72c105c869bba0e2f476ffd" rel="nofollow" data-download="{"attachment_id":73397962,"asset_id":59514018,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/73397962/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="36251121" href="https://independent.academia.edu/DirkKirste">Dirk Kirste</a><script data-card-contents-for-user="36251121" type="text/json">{"id":36251121,"first_name":"Dirk","last_name":"Kirste","domain_name":"independent","page_name":"DirkKirste","display_name":"Dirk Kirste","profile_url":"https://independent.academia.edu/DirkKirste?f_ri=411","photo":"https://0.academia-photos.com/36251121/137942240/127407401/s65_dirk.kirste.png"}</script></span></span></li><li class="js-paper-rank-work_59514018 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="59514018"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 59514018, container: ".js-paper-rank-work_59514018", }); 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$(".js-view-count[data-work-id=59514018]").text(description); $(".js-view-count-work_59514018").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_59514018").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="59514018"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">16</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="48" rel="nofollow" href="https://www.academia.edu/Documents/in/Engineering">Engineering</a>, <script data-card-contents-for-ri="48" type="text/json">{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="400" rel="nofollow" href="https://www.academia.edu/Documents/in/Earth_Sciences">Earth Sciences</a>, <script data-card-contents-for-ri="400" type="text/json">{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="407" rel="nofollow" href="https://www.academia.edu/Documents/in/Geochemistry">Geochemistry</a>, <script data-card-contents-for-ri="407" type="text/json">{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a><script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=59514018]'), work: {"id":59514018,"title":"CO2 storage in a depleted gas field: An overview of the CO2CRC Otway Project and initial results","created_at":"2021-10-22T07:35:53.632-07:00","url":"https://www.academia.edu/59514018/CO2_storage_in_a_depleted_gas_field_An_overview_of_the_CO2CRC_Otway_Project_and_initial_results?f_ri=411","dom_id":"work_59514018","summary":"The Cooperative Research Centre for Greenhouse Gas Technologies (CO2CRC) Otway Project in Australia is the first heavily monitored pilot site for CO 2 storage in a depleted natural gas reservoir. With the site characterisation and risk analysis complete, the new CRC-1 injection well was drilled in April 2007. An updated static and dynamic model forecast an injected gas transit time of between 4 and 8 months between CRC-1 injection and Naylor-1 observation wells. Injection began on March 18th 2008 and was halted on August 29th 2009 with 65,445 tonnes of CO 2 mixed gas stored. Two pulses of tracer compounds were added to help identify the injected CO 2 from other naturally occurring CO 2 and to track dispersion and diffusion. Assurance monitoring included surveillance of the atmosphere, soil gas and shallow groundwater. To date, no tracer compounds have been detected above background levels in samples taken as part of the assurance monitoring system. Monitoring of the reservoir has been accomplished with a combined geophysical and geochemical approach. Formation fluids are sampled at pressure with the multilevel U-Tube system. The transient geochemistry at the observation well has: (1) recorded injected gas arrival at the Naylor-1 observation well; (2) recorded tracer compound arrival at Naylor-1; (3) shown a mixing trend between the isotopic signature of the Naylor indigenous CO 2 and that of the injection supply gas; and (4) provided an estimate for the dynamic storage capacity for a portion of the Naylor reservoir. The data collected are compared with the pre-injection dynamic model forecasts and provide a means of calibration. The CO2CRC Otway Project has successfully demonstrated the storage of CO 2 in a depleted gas field. Geochemical assurance monitoring and reservoir surveillance will continue post injection. Continued analysis of the data will serve to reduce uncertainty in forecasting long term fate of the injected CO 2 mixed gas.","downloadable_attachments":[{"id":73397962,"asset_id":59514018,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":36251121,"first_name":"Dirk","last_name":"Kirste","domain_name":"independent","page_name":"DirkKirste","display_name":"Dirk Kirste","profile_url":"https://independent.academia.edu/DirkKirste?f_ri=411","photo":"https://0.academia-photos.com/36251121/137942240/127407401/s65_dirk.kirste.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":4594,"name":"Carbon Dioxide","url":"https://www.academia.edu/Documents/in/Carbon_Dioxide?f_ri=411"},{"id":50711,"name":"Risk Analysis","url":"https://www.academia.edu/Documents/in/Risk_Analysis?f_ri=411"},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=411"},{"id":59128,"name":"Natural Gas","url":"https://www.academia.edu/Documents/in/Natural_Gas?f_ri=411"},{"id":153168,"name":"Data Collection","url":"https://www.academia.edu/Documents/in/Data_Collection?f_ri=411"},{"id":188144,"name":"Dynamic Modeling","url":"https://www.academia.edu/Documents/in/Dynamic_Modeling?f_ri=411"},{"id":251654,"name":"Greenhouse Gas","url":"https://www.academia.edu/Documents/in/Greenhouse_Gas?f_ri=411"},{"id":323990,"name":"cooperative Research centre","url":"https://www.academia.edu/Documents/in/cooperative_Research_centre?f_ri=411"},{"id":1003601,"name":"Monitoring System","url":"https://www.academia.edu/Documents/in/Monitoring_System?f_ri=411"},{"id":1244773,"name":"Transit Time","url":"https://www.academia.edu/Documents/in/Transit_Time?f_ri=411"},{"id":2483492,"name":"Storage capacity","url":"https://www.academia.edu/Documents/in/Storage_capacity?f_ri=411"},{"id":2626792,"name":"dynamic model","url":"https://www.academia.edu/Documents/in/dynamic_model?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_38114395" data-work_id="38114395" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/38114395/La_Deuxi%C3%A8me_%C3%A9dition_des_Journ%C3%A9es_Doctorales_2EJD_2019_sous_le_th%C3%A8me_G%C3%A9osciences_et_Ressources_Naturelles_">La Deuxième édition des "Journées Doctorales" 2EJD 2019, sous le thème "Géosciences et Ressources Naturelles"</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Dear researchers, Geoscience and the progress of technology can be put to the service of the environment for the improvement of human living conditions. In this context, the Laboratory of Geodynamics and Natural Resources (LGRN),... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_38114395" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Dear researchers, Geoscience and the progress of technology can be put to the service of the environment for the improvement of human living conditions. In this context, the Laboratory of Geodynamics and Natural Resources (LGRN), Department of Geology, The Second Edition of Doctoral Days (2EJD), to be held on January 14 & 15, 2019 at the Faculty of Sciences Dhar El Mahraz, Sidi University Mohamed Ben Abdellah, Fez, Morocco. Research Ph.D. students will then have the opportunity to disseminate their research and share their experiences with other researchers. This edition will cover a wide range of topics in the fields of Geoscience and Natural Resources. Researchers who want to participate in the event Email: <a href="mailto:lgrn.doctoriales@gmail.com" rel="nofollow">lgrn.doctoriales@gmail.com</a> We look forward to meeting you at the Faculty of Sciences Dhar El Mahraz.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/38114395" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="6803272d637badc372573e0085e2f5ac" rel="nofollow" data-download="{"attachment_id":58143655,"asset_id":38114395,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/58143655/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="40388934" href="https://fsdmfes.academia.edu/JadTahouri">Jad Tahouri</a><script data-card-contents-for-user="40388934" type="text/json">{"id":40388934,"first_name":"Jad","last_name":"Tahouri","domain_name":"fsdmfes","page_name":"JadTahouri","display_name":"Jad Tahouri","profile_url":"https://fsdmfes.academia.edu/JadTahouri?f_ri=411","photo":"https://0.academia-photos.com/40388934/11029566/67048388/s65_jad.tahouri.jpg"}</script></span></span></li><li class="js-paper-rank-work_38114395 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="38114395"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 38114395, container: ".js-paper-rank-work_38114395", }); 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In this context, the Laboratory of Geodynamics and Natural Resources (LGRN), Department of Geology, The Second Edition of Doctoral Days (2EJD), to be held on January 14 \u0026 15, 2019 at the Faculty of Sciences Dhar El Mahraz, Sidi University Mohamed Ben Abdellah, Fez, Morocco. Research Ph.D. students will then have the opportunity to disseminate their research and share their experiences with other researchers. This edition will cover a wide range of topics in the fields of Geoscience and Natural Resources. Researchers who want to participate in the event Email: lgrn.doctoriales@gmail.com We look forward to meeting you at the Faculty of Sciences Dhar El Mahraz.","downloadable_attachments":[{"id":58143655,"asset_id":38114395,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":40388934,"first_name":"Jad","last_name":"Tahouri","domain_name":"fsdmfes","page_name":"JadTahouri","display_name":"Jad Tahouri","profile_url":"https://fsdmfes.academia.edu/JadTahouri?f_ri=411","photo":"https://0.academia-photos.com/40388934/11029566/67048388/s65_jad.tahouri.jpg"}],"research_interests":[{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology?f_ri=411","nofollow":true},{"id":408,"name":"Geomorphology","url":"https://www.academia.edu/Documents/in/Geomorphology?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":1252,"name":"Remote 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class="u-tcGrayDark u-fw700" data-has-card-for-user="19062" href="https://unine.academia.edu/VivianGremaud">Vivian Gremaud</a><script data-card-contents-for-user="19062" type="text/json">{"id":19062,"first_name":"Vivian","last_name":"Gremaud","domain_name":"unine","page_name":"VivianGremaud","display_name":"Vivian Gremaud","profile_url":"https://unine.academia.edu/VivianGremaud?f_ri=411","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_495216 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="495216"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 495216, container: ".js-paper-rank-work_495216", }); });</script></li><li class="js-percentile-work_495216 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x 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work: {"id":495216,"title":"Geological structure, recharge processes and underground drainage of a glacierised karst aquifer system, Tsanfleuron-Sanetsch, Swiss Alps","created_at":"2011-03-27T18:52:47.158-07:00","url":"https://www.academia.edu/495216/Geological_structure_recharge_processes_and_underground_drainage_of_a_glacierised_karst_aquifer_system_Tsanfleuron_Sanetsch_Swiss_Alps?f_ri=411","dom_id":"work_495216","summary":null,"downloadable_attachments":[{"id":3454929,"asset_id":495216,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":19062,"first_name":"Vivian","last_name":"Gremaud","domain_name":"unine","page_name":"VivianGremaud","display_name":"Vivian Gremaud","profile_url":"https://unine.academia.edu/VivianGremaud?f_ri=411","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":1512,"name":"Climate Change","url":"https://www.academia.edu/Documents/in/Climate_Change?f_ri=411","nofollow":true},{"id":25436,"name":"Stratification","url":"https://www.academia.edu/Documents/in/Stratification?f_ri=411"},{"id":110290,"name":"Karst","url":"https://www.academia.edu/Documents/in/Karst?f_ri=411"},{"id":120641,"name":"Drinking Water","url":"https://www.academia.edu/Documents/in/Drinking_Water?f_ri=411"},{"id":182364,"name":"Little Ice Age","url":"https://www.academia.edu/Documents/in/Little_Ice_Age?f_ri=411"},{"id":420417,"name":"Groundwater flow","url":"https://www.academia.edu/Documents/in/Groundwater_flow?f_ri=411"},{"id":515371,"name":"Swiss Alps","url":"https://www.academia.edu/Documents/in/Swiss_Alps?f_ri=411"},{"id":1005000,"name":"Mass Movement","url":"https://www.academia.edu/Documents/in/Mass_Movement?f_ri=411"},{"id":1434580,"name":"Breakthrough Curve","url":"https://www.academia.edu/Documents/in/Breakthrough_Curve?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_13576708" data-work_id="13576708" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/13576708/Sources_of_water_travel_times_and_protection_areas_for_wells_in_semi_confined_aquifers">Sources of water, travel times and protection areas for wells in semi-confined aquifers</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">This paper presents new findings in interpreting analytical solutions of steady radial flow to a well in a semiconfined aquifer (overlain by a phreatic aquifer and aquitard), and demonstrates that 95% of pumped water is derived from... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_13576708" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">This paper presents new findings in interpreting analytical solutions of steady radial flow to a well in a semiconfined aquifer (overlain by a phreatic aquifer and aquitard), and demonstrates that 95% of pumped water is derived from leakage water within a radius of 4 times the leakage factor. The travel times of the leakage water from the radii of influence to the well are usually much longer than those derived from the travel time criteria currently used to delineate the well protection areas. The delineation of well protection zones based on the travel time criteria will not properly protect the source of water to the well. Therefore, the percentage of leakage water to the well is used as a new criterion to define the well protection areas. Within each well protection area, the mean residence time is used as an indicator of the renewable period of the aquifer system. Leakage-rate weighted residence times are used to calculate the mean residence time. For the safety and sustainability of drinking water supplies, groundwater in the phreatic aquifer within the radius of influence should be protected.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/13576708" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="0d2692e3bb19cfe00dd97dab3e3623ef" rel="nofollow" data-download="{"attachment_id":39670348,"asset_id":13576708,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/39670348/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="32757319" href="https://unesco-ihe.academia.edu/YangxiaoZhou">Yangxiao Zhou</a><script data-card-contents-for-user="32757319" type="text/json">{"id":32757319,"first_name":"Yangxiao","last_name":"Zhou","domain_name":"unesco-ihe","page_name":"YangxiaoZhou","display_name":"Yangxiao Zhou","profile_url":"https://unesco-ihe.academia.edu/YangxiaoZhou?f_ri=411","photo":"https://0.academia-photos.com/32757319/10605057/11837213/s65_yangxiao.zhou.jpg"}</script></span></span></li><li class="js-paper-rank-work_13576708 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="13576708"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 13576708, container: ".js-paper-rank-work_13576708", }); 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The travel times of the leakage water from the radii of influence to the well are usually much longer than those derived from the travel time criteria currently used to delineate the well protection areas. The delineation of well protection zones based on the travel time criteria will not properly protect the source of water to the well. Therefore, the percentage of leakage water to the well is used as a new criterion to define the well protection areas. Within each well protection area, the mean residence time is used as an indicator of the renewable period of the aquifer system. Leakage-rate weighted residence times are used to calculate the mean residence time. For the safety and sustainability of drinking water supplies, groundwater in the phreatic aquifer within the radius of influence should be protected.","downloadable_attachments":[{"id":39670348,"asset_id":13576708,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":32757319,"first_name":"Yangxiao","last_name":"Zhou","domain_name":"unesco-ihe","page_name":"YangxiaoZhou","display_name":"Yangxiao Zhou","profile_url":"https://unesco-ihe.academia.edu/YangxiaoZhou?f_ri=411","photo":"https://0.academia-photos.com/32757319/10605057/11837213/s65_yangxiao.zhou.jpg"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_225915" data-work_id="225915" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/225915/Application_of_solute_transport_modeling_to_study_tsunami_induced_aquifer_salinity_in_India">Application of solute transport modeling to study tsunami induced aquifer salinity in India</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/225915" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="0833bfffa85a52a82c19a031f173fb9b" rel="nofollow" data-download="{"attachment_id":856241,"asset_id":225915,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/856241/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="108814" href="https://annauniv.academia.edu/Elango">Elango L</a><script data-card-contents-for-user="108814" type="text/json">{"id":108814,"first_name":"Elango","last_name":"L","domain_name":"annauniv","page_name":"Elango","display_name":"Elango L","profile_url":"https://annauniv.academia.edu/Elango?f_ri=411","photo":"https://0.academia-photos.com/108814/29743/19089074/s65_elango.l.jpg"}</script></span></span></li><li class="js-paper-rank-work_225915 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="225915"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 225915, container: ".js-paper-rank-work_225915", }); 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Hence, in order to study the subsurface geology of the area and in order to investigate the aquifer presence in the area, we selected 8... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_49121729" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">With this depletion in the groundwater table, there has been an overuse of water in the aquifers. Hence, in order to study the subsurface geology of the area and in order to investigate the aquifer presence in the area, we selected 8 points namely S1 to S8 for Vertical Electrical Soundings (VES1 to VES8 respectively). Using this method, resistivity data was collected, interpreted and aquifer strata were explored which is the main aim here. Schlumberger electrode configuration was used here. IGIS DDR3 DC resistivity meter was used to carry out the exploration in Chapabandi mouza, Durgapur, District Burdwan, West Bengal having lateral extension of 600m (AB). Hence the penetration depth of current was nearly 160-170m. It was established that a deeper claysand stratum exists comprising of medium to fine grained sand at points S2, S4and S7 where drilling up to 150-160m was recommended.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/49121729" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="c251abd9bfccc788d84ddcbdab084fb6" rel="nofollow" data-download="{"attachment_id":67513463,"asset_id":49121729,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/67513463/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="142376231" href="https://stxavierstn.academia.edu/Mayank2351999">Mayank Sharma</a><script data-card-contents-for-user="142376231" type="text/json">{"id":142376231,"first_name":"Mayank","last_name":"Sharma","domain_name":"stxavierstn","page_name":"Mayank2351999","display_name":"Mayank Sharma","profile_url":"https://stxavierstn.academia.edu/Mayank2351999?f_ri=411","photo":"https://0.academia-photos.com/142376231/57777430/46000232/s65_mayank.sharma.jpg"}</script></span></span></li><li class="js-paper-rank-work_49121729 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="49121729"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 49121729, container: ".js-paper-rank-work_49121729", }); 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$(".js-view-count[data-work-id=49121729]").text(description); $(".js-view-count-work_49121729").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_49121729").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="49121729"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">8</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="406" rel="nofollow" href="https://www.academia.edu/Documents/in/Geology">Geology</a>, <script data-card-contents-for-ri="406" type="text/json">{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a>, <script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="2549" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrology">Hydrology</a>, <script data-card-contents-for-ri="2549" type="text/json">{"id":2549,"name":"Hydrology","url":"https://www.academia.edu/Documents/in/Hydrology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="6951" rel="nofollow" href="https://www.academia.edu/Documents/in/Groundwater">Groundwater</a><script data-card-contents-for-ri="6951" type="text/json">{"id":6951,"name":"Groundwater","url":"https://www.academia.edu/Documents/in/Groundwater?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=49121729]'), work: {"id":49121729,"title":"EXPLORATION OF THE AQUIFER ZONES IN CHAPABANDI MOUZA NEAR DURGAPUR, DISTRICT BURDWAN, WEST BENGAL USING ELECTRICAL RESISTIVITY METHOD","created_at":"2021-06-04T02:19:32.579-07:00","url":"https://www.academia.edu/49121729/EXPLORATION_OF_THE_AQUIFER_ZONES_IN_CHAPABANDI_MOUZA_NEAR_DURGAPUR_DISTRICT_BURDWAN_WEST_BENGAL_USING_ELECTRICAL_RESISTIVITY_METHOD?f_ri=411","dom_id":"work_49121729","summary":"With this depletion in the groundwater table, there has been an overuse of water in the aquifers. Hence, in order to study the subsurface geology of the area and in order to investigate the aquifer presence in the area, we selected 8 points namely S1 to S8 for Vertical Electrical Soundings (VES1 to VES8 respectively). Using this method, resistivity data was collected, interpreted and aquifer strata were explored which is the main aim here. Schlumberger electrode configuration was used here. IGIS DDR3 DC resistivity meter was used to carry out the exploration in Chapabandi mouza, Durgapur, District Burdwan, West Bengal having lateral extension of 600m (AB). Hence the penetration depth of current was nearly 160-170m. It was established that a deeper claysand stratum exists comprising of medium to fine grained sand at points S2, S4and S7 where drilling up to 150-160m was recommended.","downloadable_attachments":[{"id":67513463,"asset_id":49121729,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":142376231,"first_name":"Mayank","last_name":"Sharma","domain_name":"stxavierstn","page_name":"Mayank2351999","display_name":"Mayank Sharma","profile_url":"https://stxavierstn.academia.edu/Mayank2351999?f_ri=411","photo":"https://0.academia-photos.com/142376231/57777430/46000232/s65_mayank.sharma.jpg"}],"research_interests":[{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":2549,"name":"Hydrology","url":"https://www.academia.edu/Documents/in/Hydrology?f_ri=411","nofollow":true},{"id":6951,"name":"Groundwater","url":"https://www.academia.edu/Documents/in/Groundwater?f_ri=411","nofollow":true},{"id":21063,"name":"Groundwater Hydrology","url":"https://www.academia.edu/Documents/in/Groundwater_Hydrology?f_ri=411"},{"id":24963,"name":"Exploration Geophysics","url":"https://www.academia.edu/Documents/in/Exploration_Geophysics?f_ri=411"},{"id":61623,"name":"Applied Geophysics","url":"https://www.academia.edu/Documents/in/Applied_Geophysics?f_ri=411"},{"id":292976,"name":"AQUIFER","url":"https://www.academia.edu/Documents/in/AQUIFER?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_12606512 coauthored" data-work_id="12606512" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/12606512/High_arsenic_and_boron_concentrations_in_groundwaters_related_to_mining_activity_in_the_Bigadic_borate_deposits_Western_Turkey_">High arsenic and boron concentrations in groundwaters related to mining activity in the Bigadic borate deposits (Western Turkey)</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">This study documents the environmental impacts of borate mines in Bigadic district, which are the largest colemanite and ulexite deposits in the world. Borate-bearing formations have affected the concentrations of some contaminants in... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_12606512" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">This study documents the environmental impacts of borate mines in Bigadic district, which are the largest colemanite<br />and ulexite deposits in the world. Borate-bearing formations have affected the concentrations of some contaminants in<br />groundwater. Groundwater quality is directly related to the borate zones in the mines as a result of water–rock interaction<br />processes. Calcium is the dominant cation and waters are Ca–SO4 and HCO3 type in the mine (Tu¨ lu¨ borate mine) from<br />which colemanite is produced. However in the Simav and Acep Borate Mines, ulexite and colemanite minerals are produced<br />and waters from these open pit mines are Na–HCO3–SO4 types. High SO4 concentrations (reaching 519 mg/L)<br />might be explained by the existence of anhydrite, gypsum and celestite minerals in the borate zone. Groundwater from<br />tuff and borate strata showed relatively low pH values (7–8) compared to surface and mine waters (>8). EC values ranged<br />from 270 to 2850 lS/cm. Boron and As were the two important contaminants determined in the groundwaters around the<br />Bigadic borate mines. Arsenic is the major pollutant and it ranged from 33 to 911 lg/L in the groundwater samples. The<br />concentrations of B in the study area ranged from 0.05 to 391 mg/L. The highest B concentrations were detected at the<br />mine areas. The extension of the borate zones in the aquifer systems is the essential factor in the enrichment of B and<br />As, and some major and trace elements in groundwaters are directly related to the leaching of the host rock which are<br />mainly composed of tuffs and limestones. According to drinking water standards, all of the samples exceed the tolerance<br />limit for As. Copper, Mn, Zn and Li values are enriched but do not exceed the drinking water standards. Sulfate, Al and Fe<br />concentrations are above the drinking water standard for the groundwater samples</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/12606512" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="55c35f4fc6ac7199e58a236130347e82" rel="nofollow" data-download="{"attachment_id":37741985,"asset_id":12606512,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/37741985/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="4020208" href="https://deu.academia.edu/melissomay">Melis Somay</a><script data-card-contents-for-user="4020208" type="text/json">{"id":4020208,"first_name":"Melis","last_name":"Somay","domain_name":"deu","page_name":"melissomay","display_name":"Melis Somay","profile_url":"https://deu.academia.edu/melissomay?f_ri=411","photo":"https://0.academia-photos.com/4020208/3315366/166080181/s65_melis.somay.jpeg"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-12606512">+1</span><div class="hidden js-additional-users-12606512"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://deu.academia.edu/CAH%C4%B0THELVACI">CAHİT HELVACI</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-12606512'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-12606512').html(); 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container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_12606512 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="12606512"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 12606512; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=12606512]").text(description); $(".js-view-count-work_12606512").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_12606512").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="12606512"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">3</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="411" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrogeology">Hydrogeology</a>, <script data-card-contents-for-ri="411" type="text/json">{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="6227" rel="nofollow" href="https://www.academia.edu/Documents/in/Arsenic">Arsenic</a>, <script data-card-contents-for-ri="6227" type="text/json">{"id":6227,"name":"Arsenic","url":"https://www.academia.edu/Documents/in/Arsenic?f_ri=411","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="90516" rel="nofollow" href="https://www.academia.edu/Documents/in/Borates">Borates</a><script data-card-contents-for-ri="90516" type="text/json">{"id":90516,"name":"Borates","url":"https://www.academia.edu/Documents/in/Borates?f_ri=411","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=12606512]'), work: {"id":12606512,"title":"High arsenic and boron concentrations in groundwaters related to mining activity in the Bigadic\u0002 borate deposits (Western Turkey)","created_at":"2015-05-26T06:38:24.051-07:00","url":"https://www.academia.edu/12606512/High_arsenic_and_boron_concentrations_in_groundwaters_related_to_mining_activity_in_the_Bigadic_borate_deposits_Western_Turkey_?f_ri=411","dom_id":"work_12606512","summary":"This study documents the environmental impacts of borate mines in Bigadic\u0002 district, which are the largest colemanite\nand ulexite deposits in the world. Borate-bearing formations have affected the concentrations of some contaminants in\ngroundwater. Groundwater quality is directly related to the borate zones in the mines as a result of water–rock interaction\nprocesses. Calcium is the dominant cation and waters are Ca–SO4 and HCO3 type in the mine (Tu¨ lu¨ borate mine) from\nwhich colemanite is produced. However in the Simav and Acep Borate Mines, ulexite and colemanite minerals are produced\nand waters from these open pit mines are Na–HCO3–SO4 types. High SO4 concentrations (reaching 519 mg/L)\nmight be explained by the existence of anhydrite, gypsum and celestite minerals in the borate zone. Groundwater from\ntuff and borate strata showed relatively low pH values (7–8) compared to surface and mine waters (\u003e8). EC values ranged\nfrom 270 to 2850 lS/cm. Boron and As were the two important contaminants determined in the groundwaters around the\nBigadic\u0002 borate mines. Arsenic is the major pollutant and it ranged from 33 to 911 lg/L in the groundwater samples. The\nconcentrations of B in the study area ranged from 0.05 to 391 mg/L. The highest B concentrations were detected at the\nmine areas. The extension of the borate zones in the aquifer systems is the essential factor in the enrichment of B and\nAs, and some major and trace elements in groundwaters are directly related to the leaching of the host rock which are\nmainly composed of tuffs and limestones. According to drinking water standards, all of the samples exceed the tolerance\nlimit for As. Copper, Mn, Zn and Li values are enriched but do not exceed the drinking water standards. Sulfate, Al and Fe\nconcentrations are above the drinking water standard for the groundwater samples","downloadable_attachments":[{"id":37741985,"asset_id":12606512,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":4020208,"first_name":"Melis","last_name":"Somay","domain_name":"deu","page_name":"melissomay","display_name":"Melis Somay","profile_url":"https://deu.academia.edu/melissomay?f_ri=411","photo":"https://0.academia-photos.com/4020208/3315366/166080181/s65_melis.somay.jpeg"},{"id":33701845,"first_name":"CAHİT","last_name":"HELVACI","domain_name":"deu","page_name":"CAHİTHELVACI","display_name":"CAHİT HELVACI","profile_url":"https://deu.academia.edu/CAH%C4%B0THELVACI?f_ri=411","photo":"https://0.academia-photos.com/33701845/10751670/12001656/s65_cah_t.helvaci.jpg"}],"research_interests":[{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411","nofollow":true},{"id":6227,"name":"Arsenic","url":"https://www.academia.edu/Documents/in/Arsenic?f_ri=411","nofollow":true},{"id":90516,"name":"Borates","url":"https://www.academia.edu/Documents/in/Borates?f_ri=411","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_76740200" data-work_id="76740200" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/76740200/Groundwater_quality_and_rural_drinking_water_supplies_in_the_Republic_of_Moldova">Groundwater quality and rural drinking-water supplies in the Republic of Moldova</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">This paper describes the results of a groundwater quality assessment conducted in two pilot areas, Balatina and Carpineni, in the Republic of Moldova. Shallow groundwater is the main source of drinking water in rural areas, but reliable... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_76740200" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">This paper describes the results of a groundwater quality assessment conducted in two pilot areas, Balatina and Carpineni, in the Republic of Moldova. Shallow groundwater is the main source of drinking water in rural areas, but reliable data on its quality are currently insufficient for developing rural water-supply systems with standard designs. The main components of the study included a field sampling program (including pesticides), an evaluation of the reliability of existing drinking-water data, an analysis of land use and groundwater-pollution risks using GIS, and the formulation of recommendations to reduce risks for public health. Microbiological, nitrate, and selenium contamination are most serious in the villages. These contaminants should be given priority in addressing drinkingwater aspects for rural water-supply development in the two pilot areas. Pollution occurs mainly due to poor sanitary conditions. In a few shallow wells, traces of selected pesticides were observed, but the effect of these levels of pesticides on public health is still unclear. técnica e institucional para desarrollar y proteger estos recursos.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/76740200" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="d17bf4d9f5831bf7bfa5cb2cfbbdda18" rel="nofollow" data-download="{"attachment_id":84346549,"asset_id":76740200,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/84346549/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="10923642" href="https://independent.academia.edu/ConstantinMoraru">Constantin Moraru</a><script data-card-contents-for-user="10923642" type="text/json">{"id":10923642,"first_name":"Constantin","last_name":"Moraru","domain_name":"independent","page_name":"ConstantinMoraru","display_name":"Constantin Moraru","profile_url":"https://independent.academia.edu/ConstantinMoraru?f_ri=411","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_76740200 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="76740200"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 76740200, container: ".js-paper-rank-work_76740200", }); 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Shallow groundwater is the main source of drinking water in rural areas, but reliable data on its quality are currently insufficient for developing rural water-supply systems with standard designs. The main components of the study included a field sampling program (including pesticides), an evaluation of the reliability of existing drinking-water data, an analysis of land use and groundwater-pollution risks using GIS, and the formulation of recommendations to reduce risks for public health. Microbiological, nitrate, and selenium contamination are most serious in the villages. These contaminants should be given priority in addressing drinkingwater aspects for rural water-supply development in the two pilot areas. Pollution occurs mainly due to poor sanitary conditions. In a few shallow wells, traces of selected pesticides were observed, but the effect of these levels of pesticides on public health is still unclear. técnica e institucional para desarrollar y proteger estos recursos.","downloadable_attachments":[{"id":84346549,"asset_id":76740200,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":10923642,"first_name":"Constantin","last_name":"Moraru","domain_name":"independent","page_name":"ConstantinMoraru","display_name":"Constantin Moraru","profile_url":"https://independent.academia.edu/ConstantinMoraru?f_ri=411","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=411","nofollow":true},{"id":55,"name":"Environmental Engineering","url":"https://www.academia.edu/Documents/in/Environmental_Engineering?f_ri=411","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=411","nofollow":true},{"id":402,"name":"Environmental Science","url":"https://www.academia.edu/Documents/in/Environmental_Science?f_ri=411","nofollow":true},{"id":411,"name":"Hydrogeology","url":"https://www.academia.edu/Documents/in/Hydrogeology?f_ri=411"},{"id":14445,"name":"Groundwater Pollution","url":"https://www.academia.edu/Documents/in/Groundwater_Pollution?f_ri=411"},{"id":16288,"name":"Public Health","url":"https://www.academia.edu/Documents/in/Public_Health?f_ri=411"},{"id":18845,"name":"Environmental Sustainability","url":"https://www.academia.edu/Documents/in/Environmental_Sustainability?f_ri=411"},{"id":64055,"name":"Water Supply","url":"https://www.academia.edu/Documents/in/Water_Supply?f_ri=411"},{"id":80007,"name":"Groundwater geochemistry","url":"https://www.academia.edu/Documents/in/Groundwater_geochemistry?f_ri=411"},{"id":120641,"name":"Drinking Water","url":"https://www.academia.edu/Documents/in/Drinking_Water?f_ri=411"},{"id":178963,"name":"Groundwater Quality","url":"https://www.academia.edu/Documents/in/Groundwater_Quality?f_ri=411"},{"id":308908,"name":"Pilot study","url":"https://www.academia.edu/Documents/in/Pilot_study?f_ri=411"},{"id":324974,"name":"Water supply system","url":"https://www.academia.edu/Documents/in/Water_supply_system?f_ri=411"},{"id":647003,"name":"Rural Area","url":"https://www.academia.edu/Documents/in/Rural_Area?f_ri=411"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_28531127" data-work_id="28531127" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/28531127/Modeling_the_impact_of_the_spatial_structure_of_a_hedge_network_on_the_hydrology_of_a_small_catchment_in_a_temperate_climate">Modeling the impact of the spatial structure of a hedge network on the hydrology of a small catchment in a temperate climate</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Hedges are widely encountered throughout the world. In Brittany (Western France), as well as more generally in Western and Central Europe, they are mainly represented as ''bocage'', a rural landscape with cultivated fields enclosed by... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_28531127" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Hedges are widely encountered throughout the world. In Brittany (Western France), as well as more generally in Western and Central Europe, they are mainly represented as ''bocage'', a rural landscape with cultivated fields enclosed by hedges. In temperate climates, the impact of evapotranspiration from hedges on soil water content and dynamics is seldom addressed as a management issue at the catchment scale, in spite of some evidence that hedges may modify catchment hydrology. The present study uses a modeling approach to estimate the impact of different hedge networks on the hydrology of a small temperate catchment. This study uses a spatialized hydrological model (TNT2) in which the hedge effect takes into account an additional and deeper soil water uptake through evapotranspiration. The modeling is based on the actual hedge networks in 1948 and 2000 on an experimental catchment, as well as different scenarios of landscape management and a large set of rainfall conditions. At the local scale, the impact of hedges depends on their location on the hillslope and hence on the depth of the groundwater level below the soil surface. At the catchment scale, the additional annual actual evapotranspiration (AET) due to hedges represents between 5 and 30% of the annual AET. This effect depends on the hedge network density and spatial structure. It depends also on the climate, with an increasing impact for the driest years. This study is a preliminary simple approach to the impact of hedges on the hydrology of a small rural catchment. The advantage of this approach is that it takes into account the spatial interactions in the catchment and facilitates the <a href="http://www.elsevier.com/locate/agwat" rel="nofollow">www.elsevier.com/locate/agwat</a> Agricultural Water Management 74 comparison of different scenarios of hedge spatial structure. Despite the lack of precise information on hedge evapotranspiration in the region and the simple description of AET in the model, we are able to give orders of magnitude for the hedge effect based on choices of model parameterization as well as different modalities of hedge density and location. #</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/28531127" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="8563015521747f98146474d8e6963cab" rel="nofollow" data-download="{"attachment_id":48882942,"asset_id":28531127,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/48882942/download_file?st=MTczOTgxMTM3Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="53510574" href="https://nationalagriculturalresearchinra.academia.edu/PMerot">P. 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In Brittany (Western France), as well as more generally in Western and Central Europe, they are mainly represented as ''bocage'', a rural landscape with cultivated fields enclosed by hedges. In temperate climates, the impact of evapotranspiration from hedges on soil water content and dynamics is seldom addressed as a management issue at the catchment scale, in spite of some evidence that hedges may modify catchment hydrology. The present study uses a modeling approach to estimate the impact of different hedge networks on the hydrology of a small temperate catchment. This study uses a spatialized hydrological model (TNT2) in which the hedge effect takes into account an additional and deeper soil water uptake through evapotranspiration. The modeling is based on the actual hedge networks in 1948 and 2000 on an experimental catchment, as well as different scenarios of landscape management and a large set of rainfall conditions. At the local scale, the impact of hedges depends on their location on the hillslope and hence on the depth of the groundwater level below the soil surface. At the catchment scale, the additional annual actual evapotranspiration (AET) due to hedges represents between 5 and 30% of the annual AET. This effect depends on the hedge network density and spatial structure. It depends also on the climate, with an increasing impact for the driest years. This study is a preliminary simple approach to the impact of hedges on the hydrology of a small rural catchment. The advantage of this approach is that it takes into account the spatial interactions in the catchment and facilitates the www.elsevier.com/locate/agwat Agricultural Water Management 74 comparison of different scenarios of hedge spatial structure. Despite the lack of precise information on hedge evapotranspiration in the region and the simple description of AET in the model, we are able to give orders of magnitude for the hedge effect based on choices of model parameterization as well as different modalities of hedge density and location. #","downloadable_attachments":[{"id":48882942,"asset_id":28531127,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":53510574,"first_name":"P.","last_name":"Merot","domain_name":"nationalagriculturalresearchinra","page_name":"PMerot","display_name":"P. 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Management","url":"https://www.academia.edu/Documents/in/Agricultural_Water_Management?f_ri=411"},{"id":22831,"name":"Landscape","url":"https://www.academia.edu/Documents/in/Landscape?f_ri=411"},{"id":41559,"name":"Network","url":"https://www.academia.edu/Documents/in/Network?f_ri=411"},{"id":99629,"name":"Evapotranspiration","url":"https://www.academia.edu/Documents/in/Evapotranspiration?f_ri=411"},{"id":113556,"name":"Ground Water","url":"https://www.academia.edu/Documents/in/Ground_Water?f_ri=411"},{"id":182353,"name":"Landscape Management","url":"https://www.academia.edu/Documents/in/Landscape_Management?f_ri=411"},{"id":187529,"name":"Catchment","url":"https://www.academia.edu/Documents/in/Catchment?f_ri=411"},{"id":236377,"name":"Spatial Distribution","url":"https://www.academia.edu/Documents/in/Spatial_Distribution?f_ri=411"},{"id":261821,"name":"Watershed","url":"https://www.academia.edu/Documents/in/Watershed?f_ri=411"},{"id":276808,"name":"Spatial 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