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Search results for: oasis
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method="get" action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="oasis"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 35</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: oasis</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">35</span> Date Palm Insects and Mite Pests at Biskra Oasis, South Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.%20Tarai">N. Tarai</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Seighi"> S. Seighi</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Doumandji"> S. Doumandji</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The date palm trees Phoenix dactylifera L. are subject to infestation with a variety of insect pests and mite associated, the Carob moth Ectomyelois ceatoniae (Zeller)(Lepidoptera, Pyralidae) is a key pest. Survey of the insect and mite pests associated with date palm trees in the seven stations at Biskra Oasis, throughout two successive years, from October 2011 until September 2012 revealed twelve insect pests belonging to ten families and six orders in addition to one mite belonging to one family from order Acari. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=date%20palm" title="date palm">date palm</a>, <a href="https://publications.waset.org/abstracts/search?q=insect" title=" insect"> insect</a>, <a href="https://publications.waset.org/abstracts/search?q=pests" title=" pests"> pests</a>, <a href="https://publications.waset.org/abstracts/search?q=infestation" title=" infestation"> infestation</a>, <a href="https://publications.waset.org/abstracts/search?q=mit" title=" mit"> mit</a>, <a href="https://publications.waset.org/abstracts/search?q=Biskra" title=" Biskra"> Biskra</a>, <a href="https://publications.waset.org/abstracts/search?q=Oasis" title=" Oasis "> Oasis </a> </p> <a href="https://publications.waset.org/abstracts/3003/date-palm-insects-and-mite-pests-at-biskra-oasis-south-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3003.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">455</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">34</span> Towards Developing Social Assessment Tool for Siwan Ecolodge Case Study: Babenshal Ecolodge </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amr%20Ali%20Bayoumi">Amr Ali Bayoumi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ola%20Ali%20Bayoumi"> Ola Ali Bayoumi </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this research is enhancing one of the main aspects (Social Aspect) for developing an eco-lodge in Siwa oasis in Egyptian Western Desert. According to credible weightings built in this research through formal and informal questionnaires, the researcher detected one of the highest credible aspects, 'Social Aspect': through which it carries the maximum priorities among the total environmental and economic categories. From here, the researcher suggested the usage of ethnographic design approach and Space Syntax as observational and computational methods for developing future Eco-lodge in Siwa Oasis. These methods are used to study social spaces of Babenshal eco-lodge as a case study. This hybrid method is considered as a beginning of building Social Assessment Tool (SAT) for ecological tourism buildings located in Siwa as a case of Egyptian Western desert community. Towards livable social spaces, the proposed SAT was planned to be the optimum measurable weightings for social aspect's priorities of future Siwan eco-lodge(s). Finally, recommendations are proposed for enhancing SAT to be more correlated with sensitive desert biome (Siwa Oasis) to be adapted with the continuous social and environmental changes of the oasis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ecolodge" title="ecolodge">ecolodge</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20aspect" title=" social aspect"> social aspect</a>, <a href="https://publications.waset.org/abstracts/search?q=space%20syntax" title=" space syntax"> space syntax</a>, <a href="https://publications.waset.org/abstracts/search?q=Siwa%20Oasis" title=" Siwa Oasis"> Siwa Oasis</a> </p> <a href="https://publications.waset.org/abstracts/132836/towards-developing-social-assessment-tool-for-siwan-ecolodge-case-study-babenshal-ecolodge" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/132836.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">128</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">33</span> Soil Salinity Mapping using Electromagnetic Induction Measurements</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fethi%20Bouksila">Fethi Bouksila</a>, <a href="https://publications.waset.org/abstracts/search?q=Nessrine%20Zemni"> Nessrine Zemni</a>, <a href="https://publications.waset.org/abstracts/search?q=Fairouz%20Slama"> Fairouz Slama</a>, <a href="https://publications.waset.org/abstracts/search?q=Magnus%20Persson"> Magnus Persson</a>, <a href="https://publications.waset.org/abstracts/search?q=Ronny%20%20Berndasson"> Ronny Berndasson</a>, <a href="https://publications.waset.org/abstracts/search?q=Akissa%20Bahri"> Akissa Bahri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Electromagnetic sensor EM 38 was used to predict and map soil salinity (ECe) in arid oasis. Despite the high spatial variation of soil moisture and shallow watertable, significant ECe-EM relationships were developed. The low drainage network efficiency is the main factor of soil salinization <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=soil%20salinity%20map" title="soil salinity map">soil salinity map</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20induction" title="electromagnetic induction">electromagnetic induction</a>, <a href="https://publications.waset.org/abstracts/search?q=EM38" title=" EM38"> EM38</a>, <a href="https://publications.waset.org/abstracts/search?q=oasis" title=" oasis"> oasis</a>, <a href="https://publications.waset.org/abstracts/search?q=shallow%20watertable" title=" shallow watertable"> shallow watertable</a> </p> <a href="https://publications.waset.org/abstracts/146153/soil-salinity-mapping-using-electromagnetic-induction-measurements" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/146153.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">187</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">32</span> Sustainable Traditional Urban Design of the Old City of Ghadames</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hazem%20Bunkheila">Hazem Bunkheila</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ghadames is an oasis on the edge of the Sahara Desert in southwestern Libya at the border with Algeria and Tunisia. It is the oldest oasis in the world that provides a fascinating example of traditional urban in the desert environment. The urban of the small city is considered a genuine adaptation to the harsh desert climate. The historic city of Ghadames remained unaffected by the rapid after oil changes. That makes it a good field to study sustainable, vernacular, earth architecture and urban design. The aim of this paper is to investigate the urban structure, concept, and fabric of the old oasis. The research also surveys the environmental considerations in the city that shades the sustainable features in this traditional residential area. In addition, the paper addresses the modern applications in the new city of Ghadams and sides of success and failure compared to the traditional urban fabric. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dessert%20climate%20design" title="dessert climate design">dessert climate design</a>, <a href="https://publications.waset.org/abstracts/search?q=Ghadames" title=" Ghadames"> Ghadames</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20urban%20design" title=" sustainable urban design"> sustainable urban design</a>, <a href="https://publications.waset.org/abstracts/search?q=traditional%20urban%20design" title=" traditional urban design"> traditional urban design</a> </p> <a href="https://publications.waset.org/abstracts/52191/sustainable-traditional-urban-design-of-the-old-city-of-ghadames" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52191.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">362</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">31</span> Spatial Occupation of the Wild Boar 'Sus Scrofa Algirus' in the Oasis of Southern Tunisia: The Continental Oasis of Kebili and the Coastal Oasis of Gabes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ghandri%20Aida">Ghandri Aida</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The wild boar ‘Sus scrofa algirus’ is an invasive species that has a significant invasive potential allowing it to colonize the agroecosystems of southern Tunisia. In fact, these agroecosystems contain sites with high tranquility-refuge value (refuge zones) which are very attractive for this Suidae thanks to the very dense vegetation (reed beds on the outskirts of the oases and the border areas of the wadis and chotts) and the almost impenetrability for man. When this species is present in abundance, it could cause severe ecological and socio-economic damage. The present work aims to analyze the spatial distribution of this species in the oases of southern Tunisia, namely the coastal oases of Gabès and the continental oases of Kébili, using GLMMs (generalized linear mixed models). In particular, it aims to evaluate the influence of certain landscape factors and vegetation on the occurrence of this harmful species. Our results suggest that the spatial occupancy of wild boar in Tunisian oases essentially depends on proximity to the nearest roads as a repelling factor as well as irrigation, the proportion of cereal cultivation and proximity to areas of refuge as attractive factors. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sus%20scrofa%20algirus" title="sus scrofa algirus">sus scrofa algirus</a>, <a href="https://publications.waset.org/abstracts/search?q=occurence" title=" occurence"> occurence</a>, <a href="https://publications.waset.org/abstracts/search?q=GLMM" title=" GLMM"> GLMM</a>, <a href="https://publications.waset.org/abstracts/search?q=oasis%20of%20southern%20tunisia" title=" oasis of southern tunisia"> oasis of southern tunisia</a> </p> <a href="https://publications.waset.org/abstracts/195002/spatial-occupation-of-the-wild-boar-sus-scrofa-algirus-in-the-oasis-of-southern-tunisia-the-continental-oasis-of-kebili-and-the-coastal-oasis-of-gabes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/195002.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">2</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">30</span> Detecting Potential Geothermal Sites by Using Well Logging, Geophysical and Remote Sensing Data at Siwa Oasis, Western Desert, Egypt</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amr%20S.%20Fahil">Amr S. Fahil</a>, <a href="https://publications.waset.org/abstracts/search?q=Eman%20Ghoneim"> Eman Ghoneim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Egypt made significant efforts during the past few years to discover significant renewable energy sources. Regions in Egypt that have been identified for geothermal potential investigation include the Gulf of Suez and the Western Desert. One of the most promising sites for the development of Egypt's Northern Western Desert is Siwa Oasis. The geological setting of the oasis, a tectonically generated depression situated in the northernmost region of the Western desert, supports the potential for substantial geothermal resources. Field data obtained from 27 deep oil wells along the Western Desert included bottom-hole temperature (BHT) depth to basement measurements, and geological maps; data were utilized in this study. The major lithological units, elevation, surface gradient, lineaments density, and remote sensing multispectral and topographic were mapped together to generate the related physiographic variables. Eleven thematic layers were integrated in a geographic information system (GIS) to create geothermal maps to aid in the detection of significant potential geothermal spots along the Siwa Oasis and its vicinity. The contribution of total magnetic intensity data with reduction to the pole (RTP) to the first investigation of the geothermal potential in Siwa Oasis is applied in this work. The integration of geospatial data with magnetic field measurements showed a clear correlation between areas of high heat flow and magnetic anomalies. Such anomalies can be interpreted as related to the existence of high geothermal energy and dense rock, which also have high magnetic susceptibility. The outcomes indicated that the study area has a geothermal gradient ranging from 18 to 42 °C/km, a heat flow ranging from 24.7 to 111.3 m.W. k−1, a thermal conductivity of 1.3–2.65 W.m−1.k−1 and a measured amplitude temperature maximum of 100.7 °C. The southeastern part of the Siwa Oasis, and some sporadic locations on the eastern section of the oasis were found to have significant geothermal potential; consequently, this location is suitable for future geothermal investigation. The adopted method might be applied to identify significant prospective geothermal energy locations in other regions of Egypt and East Africa. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magnetic%20data" title="magnetic data">magnetic data</a>, <a href="https://publications.waset.org/abstracts/search?q=SRTM" title=" SRTM"> SRTM</a>, <a href="https://publications.waset.org/abstracts/search?q=depth%20to%20basement" title=" depth to basement"> depth to basement</a>, <a href="https://publications.waset.org/abstracts/search?q=remote%20sensing" title=" remote sensing"> remote sensing</a>, <a href="https://publications.waset.org/abstracts/search?q=GIS" title=" GIS"> GIS</a>, <a href="https://publications.waset.org/abstracts/search?q=geothermal%20gradient" title=" geothermal gradient"> geothermal gradient</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20flow" title=" heat flow"> heat flow</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20conductivity" title=" thermal conductivity"> thermal conductivity</a> </p> <a href="https://publications.waset.org/abstracts/162551/detecting-potential-geothermal-sites-by-using-well-logging-geophysical-and-remote-sensing-data-at-siwa-oasis-western-desert-egypt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162551.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">116</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">29</span> OASIS: An Alternative Access to Potable Water, Renewable Energy and Organic Food</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Julien%20G.%20Chenet">Julien G. Chenet</a>, <a href="https://publications.waset.org/abstracts/search?q=Mario%20A.%20Hernandez"> Mario A. Hernandez</a>, <a href="https://publications.waset.org/abstracts/search?q=U.%20Leonardo%20Rodriguez"> U. Leonardo Rodriguez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The tropical areas are places where there is scarcity of access to potable water and where renewable energies need further development. They also display high undernourishment levels, even though they are one of the resources-richest areas in the world. In these areas, it is common to count on great extension of soils, high solar radiation and raw water from rain, groundwater, surface water or even saltwater. Even though resources are available, access to them is limited, and the low-density habitat makes central solutions expensive and investments not worthy. In response to this lack of investment, rural inhabitants use fossil fuels and timber as an energy source and import agrochemical for soils fertilization, which increase GHG emissions. The OASIS project brings an answer to this situation. It supplies renewable energy, potable water and organic food. The first step is the determination of the needs of the communities in terms of energy, water quantity and quality, food requirements and soil characteristics. Second step is the determination of the available resources, such as solar energy, raw water and organic residues on site. The pilot OASIS project is located in the Vichada department, Colombia, and ensures the sustainable use of natural resources to meet the community needs. The department has roughly 70% of indigenous people. They live in a very scattered landscape, with no access to clean water and energy. They use polluted surface water for direct consumption and diesel for energy purposes. OASIS pilot will ensure basic needs for a 400-students education center. In this case, OASIS will provide 20 kW of solar energy potential and 40 liters per student per day. Water will be treated form groundwater, with two qualities. A conventional one with chlorine, and as the indigenous people are not used to chlorine for direct consumption, second train is with reverse osmosis to bring conservable safe water without taste. OASIS offers a solution to supply basic needs, shifting from fossil fuels, timber, to a no-GHG-emission solution. This solution is part of the mitigation strategy against Climate Change for the communities in low-density areas of the tropics. OASIS is a learning center to teach how to convert natural resources into utilizable ones. It is also a meeting point for the community with high pedagogic impact that promotes the efficient and sustainable use of resources. OASIS system is adaptable to any tropical area and competes technically and economically with any conventional solution, that needs transport of energy, treated water and food. It is a fully automatic, replicable and sustainable solution to sort out the issue of access to basic needs in rural areas. OASIS is also a solution to undernourishment, ensuring a responsible use of resources, to prevent long-term pollution of soils and groundwater. It promotes the closure of the nutrient cycle, and the optimal use of the land whilst ensuring food security in depressed low-density regions of the tropics. OASIS is under optimization to Vichada conditions, and will be available to any other tropical area in the following months. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=climate%20change%20adaptation%20and%20mitigation" title="climate change adaptation and mitigation">climate change adaptation and mitigation</a>, <a href="https://publications.waset.org/abstracts/search?q=rural%20development" title=" rural development"> rural development</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20access%20to%20clean%20and%20renewable%20resources" title=" sustainable access to clean and renewable resources"> sustainable access to clean and renewable resources</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20inclusion" title=" social inclusion"> social inclusion</a> </p> <a href="https://publications.waset.org/abstracts/59911/oasis-an-alternative-access-to-potable-water-renewable-energy-and-organic-food" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59911.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">250</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> The Ancient Oasis Architecture of Ghadames</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amer%20Rghei">Amer Rghei</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Sahara region potentially is one of the most attractive heritage areas in the world. Yet presently, the heritage of the Sahara is currently facing serious planning challenges of underdeveloped and neglected economic and physical potentials. Deterioration of heritage resources has been observed by the author during his several field tours for historic sites has discovered special heritage values such as in Ghadames which combines historic oasis, natural environment along with its exceptional urban fabric and architectural character. Despite the richness of Ghadames with historic significance, it is found that at the present time, Ghadames city, the UNESCO World Heritage site, is facing serious challenges including the abandonment by its tenants and inclusive negligence by its officials. The author believes that Ghadames can illustrate an excellent heritage example in North Africa with cultural pride and socio-economic opportunities that can contribute to overall economic development in the Sahara region. However, the paper deals with the case of Ghadames ‘The World Heritage Site’ in Libya and discusses the current challenges and possible planning for its heritage conservation strategy. The momentous resources in Ghadames with their historical, environmental, economic, social, cultural, and aesthetic values would benefit from a careful heritage planning and management program for its significant values. In this paper an attempt is made to investigate this issue seriously towards building a model of a strategy for heritage conservation planning for Ghadames is proposed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ghadames" title="Ghadames">Ghadames</a>, <a href="https://publications.waset.org/abstracts/search?q=Oasis%20architecture" title=" Oasis architecture"> Oasis architecture</a>, <a href="https://publications.waset.org/abstracts/search?q=Sahara%20region" title=" Sahara region"> Sahara region</a>, <a href="https://publications.waset.org/abstracts/search?q=heritage%20environment" title=" heritage environment"> heritage environment</a> </p> <a href="https://publications.waset.org/abstracts/60958/the-ancient-oasis-architecture-of-ghadames" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60958.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">297</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> The Effect of the Combination of Mouthwash and Saliva Substitutes on Tooth Erosion: An in Vitro Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Young-Eun%20Jang">Young-Eun Jang</a>, <a href="https://publications.waset.org/abstracts/search?q=Mi-Hye%20Ma"> Mi-Hye Ma</a>, <a href="https://publications.waset.org/abstracts/search?q=Yemi%20Kim"> Yemi Kim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> As the elderly population increases, the number of patients complaining of dry mouth is also increasing. Elderly people often use mouthwash to prevent periodontal disease. Mouthwash and saliva substitutes with low pH were reported to be able to cause enamel erosion. To the best of our knowledge, there have been no studies showing the effect of mouthwash on patients using saliva substitutes. Therefore, the purpose of this study was to evaluate the effect of the use of mouthwash in combination with saliva substitutes on tooth erosion using a quantitative light-induced fluorescence-digital (QLF-D) system. A total of 96 bovine specimens were embedded in putty blocks and randomly allocated to the following groups with n = 12 each: Group 1, application of mouthwash; Group 2, application of saliva substitutes; Group 3, application of saliva substitutes in combination with mouthwash; and control group, application of saline. The bovine samples were eroded using a demineralization solution and then saliva substitutes and mouthwash were applied according to the groups for 2 weeks. For saliva substitutes, three different products were used; Oasis (Oasis Consumer Health, Cleveland, OH, USA), Xeromia solution (Osstem Pharma Co., Seoul, Korea), and Drymund gel (Dong-A Pharma Co., Seoul, Korea). The pH values of the saliva substitutes were determined using a pH meter. Loss of enamel and root dentin was measured using the QLF-D system immediately after demineralization on the 3rd, 7th, and 14th days. The data were analyzed using repeated measures ANOVA followed by Tukey’s post hoc tests (p < 0.05). Mineral loss in enamel and root dentin was detected when mouthwash and saliva substitutes were used alone, respectively (p < 0.05). Also, when mouthwash was used with saliva substitutes, the mineral loss was observed in enamel and root dentin (p < 0.05). The use of Xeromia and Drymund gel increased mineral loss of enamel significantly compared to the use of Oasis (p < 0.05). However, when Drymund gel and Xeromia were used in combination with mouthwash, mineral loss of enamel was significantly reduced compared to when they were used alone (p < 0.05). The pH values of Drymund gel, Xeromia, Oasis, and mouthwash were 5.5, 5.52, 6.2, and 6.37, respectively. Based on these results, it can be concluded that the use of mouthwash with a higher pH value than that of saliva substitutes could help patients suffering from xerostomia avoid the risk of dental erosion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=saliva%20substitute" title="saliva substitute">saliva substitute</a>, <a href="https://publications.waset.org/abstracts/search?q=mouthwash" title=" mouthwash"> mouthwash</a>, <a href="https://publications.waset.org/abstracts/search?q=tooth%20erosion" title=" tooth erosion"> tooth erosion</a>, <a href="https://publications.waset.org/abstracts/search?q=dry%20mouth" title=" dry mouth"> dry mouth</a> </p> <a href="https://publications.waset.org/abstracts/156425/the-effect-of-the-combination-of-mouthwash-and-saliva-substitutes-on-tooth-erosion-an-in-vitro-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156425.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">89</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26</span> Assessing the Geothermal Parameters by Integrating Geophysical and Geospatial Techniques at Siwa Oasis, Western Desert, Egypt</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eman%20Ghoneim">Eman Ghoneim</a>, <a href="https://publications.waset.org/abstracts/search?q=Amr%20S.%20Fahil"> Amr S. Fahil</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many regions in Egypt are facing a reduction in crop productivity due to environmental degradation. One factor of crop deterioration includes the unsustainable drainage of surface water, leading to salinized soil conditions. Egypt has exerted time and effort to identify solutions to mitigate the surface water drawdown problem and its resulting effects by exploring renewable and sustainable sources of energy. Siwa Oasis represents one of the most favorable regions in Egypt for geothermal exploitation since it hosts an evident cluster of superficial thermal springs. Some of these hot springs are characterized by high surface temperatures and bottom hole temperatures (BHT) ranging between 20°C to 40 °C and 21 °C to 121.7°C, respectively. The depth to the Precambrian basement rock is commonly greater than 440 m, ranging from 440 m to 4724.4 m. It is this feature that makes the locality of Siwa Oasis sufficient for industrial processes and geothermal power production. In this study, BHT data from 27 deep oil wells were processed by applying the widely used Horner and Gulf of Mexico correction methods to obtain formation temperatures. BHT, commonly used in geothermal studies, remains the most abundant and readily available data source for subsurface temperature information. Outcomes of the present work indicated a geothermal gradient ranging from 18 to 42 °C/km, a heat flow ranging from 24.7 to 111.3 m.W.k⁻¹, and a thermal conductivity of 1.3–2.65 W.m⁻¹.k⁻¹. Remote sensing thermal infrared, topographic, geologic, and geothermal data were utilized to provide geothermal potential maps for the Siwa Oasis. Important physiographic variables (including surface elevation, lineament density, drainage density), geological and geophysical parameters (including land surface temperature, depth to basement, bottom hole temperature, magnetic, geothermal gradient, heat flow, thermal conductivity, and main rock units) were incorporated into GIS to produce a geothermal potential map (GTP) for the Siwa Oasis region. The model revealed that both the northeastern and southeastern sections of the study region are of high geothermal potential. The present work showed that combining bottom-hole temperature measurements and remote sensing data with the selected geospatial methodologies is a useful tool for geothermal prospecting in geologically and tectonically comparable settings in Egypt and East Africa. This work has implications for identifying sustainable resources needed to support food production and renewable energy resources. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=BHT" title="BHT">BHT</a>, <a href="https://publications.waset.org/abstracts/search?q=geothermal%20potential%20map" title=" geothermal potential map"> geothermal potential map</a>, <a href="https://publications.waset.org/abstracts/search?q=geothermal%20gradient" title=" geothermal gradient"> geothermal gradient</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20flow" title=" heat flow"> heat flow</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20conductivity" title=" thermal conductivity"> thermal conductivity</a>, <a href="https://publications.waset.org/abstracts/search?q=satellite%20imagery" title=" satellite imagery"> satellite imagery</a>, <a href="https://publications.waset.org/abstracts/search?q=GIS" title=" GIS"> GIS</a> </p> <a href="https://publications.waset.org/abstracts/162553/assessing-the-geothermal-parameters-by-integrating-geophysical-and-geospatial-techniques-at-siwa-oasis-western-desert-egypt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162553.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">120</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">25</span> Variation in Water Utilization of Typical Desert Shrubs in a Desert-Oasis Ecotone</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hai%20Zhou">Hai Zhou</a>, <a href="https://publications.waset.org/abstracts/search?q=Wenzhi%20Zhao"> Wenzhi Zhao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Water is one of the most important factors limiting plant growth and development in desert ecosystems. In order to understand how desert shrubs cope with variation in water sources over time, it is important to understand plant–water relations in desert-oasis ecotone. We selected the typical desert shrubs: Nitraria sibirica, Calligonum mongolicum and Haloxylon ammodendron of 5-, 10-, 20- and 40-year old as the research species, to study the seasonal variation of plant water sources and response to precipitation in the desert-oasis ecotone of Linze, Northwestern China. We examined stable isotopic ratios of oxygen (δ18O) in stem water of desert shrubs as well as in precipitation, groundwater, and soil water in different soil layers and seasons to determine water sources for the shrubs. We found that the N. sibirica and H. ammodendron of 5-, 10-year old showed significant seasonal variation characteristics of δ18O value of stem water and water sources. However, the C. mongolicum and 20- and 40-year H. ammodendron main water sources were from deep soil water and groundwater, and less response to precipitation pulse. After 22.4 mm precipitation, the contribution of shallow soil water (0-50cm) to the use of N. sibirica increased from 6.7% to 36.5%; the C. mongolicum rarely use precipitation that were about 58.29% and 23.51%, absorbed from the deep soil water and groundwater; the contribution of precipitation to use of H. ammodendron had significantly differences among the four ages. The H. ammodendron of 5- and 10-year old about 86.3% and 42.5% water sources absorbed from the shallow soil water after precipitation. However, the contribution to 20- and 40-year old plant was less than 15%. So, the precipitation was one of the main water sources for desert shrubs, but the species showed different water utilization. We conclude that the main water source of the N. sibirica and H. ammodendron of 5-, 10-year was soil water recharged by precipitation, but the deeply rooted H. ammodendron of 20‐ and 40‐year‐old and the C. mongolicum have the ability to exploit a deep and reliable water source. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=water%20use%20pattern" title="water use pattern">water use pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20resource" title=" water resource"> water resource</a>, <a href="https://publications.waset.org/abstracts/search?q=stable%20isotope" title=" stable isotope"> stable isotope</a>, <a href="https://publications.waset.org/abstracts/search?q=seasonal%20change" title=" seasonal change"> seasonal change</a>, <a href="https://publications.waset.org/abstracts/search?q=precipitation%20pulse" title=" precipitation pulse"> precipitation pulse</a> </p> <a href="https://publications.waset.org/abstracts/77818/variation-in-water-utilization-of-typical-desert-shrubs-in-a-desert-oasis-ecotone" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77818.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">429</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">24</span> Phoenix dactylifera Ecosystem in Morocco: Ecology, Socio Economic Role and Constraints to Its Development</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Sghir%20Taleb">Mohammed Sghir Taleb</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction The date palm (Phoenix dactylifera L.) represents an essential element of the oasis ecosystem for Saharan and pre-Saharan regions of Morocco. It plays an important role, not only due to its economic importance, but also its ecological adaptation to, firstly, to ensure necessary protection for crops against underlying warm and dry sales, and secondly to contribute to the fight against desertification. This is one of the oldest cultivated plant species best adapted to difficult climatic conditions of the Saharan and pre-Saharan regions, because of its ecological requirements and economically most suitable for investing in oasis agriculture. Methodology The methodology is mainly based on a literature review of principal theses and projects for the conservation of flora and vegetation. Results The date palm has multiple uses. Indeed, it produces fruits rich in nutrients, provides a multitude of secondary products and generates needed revenue for the survival of oasis populations. In Morocco, the development and modernization of the date palm sector face, both upstream and downstream of the industry, several major constraints. In addition to climate constraints (prolonged drought), in its environment (lack of water resources), to the incessant invasion of disease Bayoud, Moroccan palm ecosystem suffers from a low level of technical and traditional practices prevail and traditional, from the choice of variety and site preparation up to harvesting and recycling of products. Conclusion The date palm plays an important role in the socioeconomic development of local and national level. However, this ecosystem however, is subject to numerous degradation factors caused by anthropogenic action and climate change. to reverse the trends, several programs have been developed by Morocco for the restoration of degraded areas and the development of the Phoenix dactylifera ecosystem to meet the needs of local populations and the development of the national economy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=efforts" title="efforts">efforts</a>, <a href="https://publications.waset.org/abstracts/search?q=flora" title=" flora"> flora</a>, <a href="https://publications.waset.org/abstracts/search?q=ecosystem" title=" ecosystem"> ecosystem</a>, <a href="https://publications.waset.org/abstracts/search?q=forest" title=" forest"> forest</a>, <a href="https://publications.waset.org/abstracts/search?q=conservation" title=" conservation"> conservation</a>, <a href="https://publications.waset.org/abstracts/search?q=Morocco" title=" Morocco"> Morocco</a> </p> <a href="https://publications.waset.org/abstracts/173754/phoenix-dactylifera-ecosystem-in-morocco-ecology-socio-economic-role-and-constraints-to-its-development" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173754.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">87</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">23</span> Adaptive Strategies of Clonal Shrub to Sand Dune Environment in Desert-Oasis Transitional Zone</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Weicheng%20Luo">Weicheng Luo</a>, <a href="https://publications.waset.org/abstracts/search?q=Wenzhi%20Zhao"> Wenzhi Zhao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Plants growth in desert often suffered from stresses like water deficit, wind erosion and sand burial. Thus, plants in desert always have unique strategies to adapt these stresses. However, data regarding how clonal shrubs withstand wind erosion and sand burial in natural habitats remain relatively scarce. Therefore, we selected a common clonal shrub Calligonum arborescens to study the adaptive strategies of clonal plants to sand dune environment in a transitional zone of desert and Hexi Oasis of China. Our results show that sand burial is one of the essential prerequisites for the survival of C. arborescens rhizome fragments. Both the time and degrees of sand burial and wind erosion had significantly effects on clonal reproduction and growth of C. arborescens. With increasing burial depth, the number of ramets and biomass production significantly decreased. There is same change trend in severe erosion treatments. However, the number of ramets and biomass production significantly increased in moderate erosion treatments. Rhizome severed greatly decreased ramet number and biomass production under both sand burial and severe erosion treatments. That indicated that both sand burial and severe erosion had negative effects on the clonal growth of C. arborescens, but moderate wind erosion had positive effects. And rhizome connections alleviated the negative effects of sand burial and of severe erosion on the growth and performance of C. arborescens. Most fragments of C. arborescens grew in the directions of northeastern and southwestern. Ramet number and biomass, rhizome length and biomass in these two directions were significantly higher than those found in other directions. Interestingly, these directions were perpendicular to the prevailing wind direction. Distribution of C. arborescens differed in different habitats. The total number of individuals was significantly higher in inter-dune areas and on windward slopes than on the top and leeward slopes of dunes; more clonal ramets were produced on the top of dunes than elsewhere, and a few were found on leeward slopes. The mainly reason is that ramets on windward and top of dunes can easily suffered with moderated wind erosion which promoted clonal growth and reproduction of C. arborescens. These results indicated that C. arborescens adapted sand dune environment through directional growth and patchy distribution, and sand-burial and wind erosion were the key factors which led to the directional growth and patchiness of C. arborescens. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adaptive%20strategy" title="adaptive strategy">adaptive strategy</a>, <a href="https://publications.waset.org/abstracts/search?q=Calligonum%20arborescens%20Litv" title=" Calligonum arborescens Litv"> Calligonum arborescens Litv</a>, <a href="https://publications.waset.org/abstracts/search?q=clonal%20fragment" title=" clonal fragment"> clonal fragment</a>, <a href="https://publications.waset.org/abstracts/search?q=desert-oasis%20transitional%20zone" title=" desert-oasis transitional zone"> desert-oasis transitional zone</a>, <a href="https://publications.waset.org/abstracts/search?q=sand%20burial%20and%20wind%20erosion" title=" sand burial and wind erosion"> sand burial and wind erosion</a> </p> <a href="https://publications.waset.org/abstracts/77775/adaptive-strategies-of-clonal-shrub-to-sand-dune-environment-in-desert-oasis-transitional-zone" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77775.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">240</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">22</span> Perception of Eco-Music From the Contents the Earth’s Sound Ecosystem</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joni%20Asitashvili">Joni Asitashvili</a>, <a href="https://publications.waset.org/abstracts/search?q=Eka%20Chabashvili"> Eka Chabashvili</a>, <a href="https://publications.waset.org/abstracts/search?q=Maya%20Virsaladze"> Maya Virsaladze</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexander%20Chokhonelidze"> Alexander Chokhonelidze</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Studying the soundscape is a major challenge in many countries of the civilized world today. The sound environment and music itself are part of the Earth's ecosystem. Therefore, researching its positive or negative impact is important for a clean and healthy environment. The acoustics of nature gave people many musical ideas, and people enriched musical features and performance skills with the ability to imitate the surrounding sound. For example, a population surrounded by mountains invented the technique of antiphonal singing, which mimics the effect of an echo. Canadian composer Raymond Murray Schafer viewed the world as a kind of musical instrument with ever-renewing tuning. He coined the term "Soundscape" as a name of a natural environmental sound, including the sound field of the Earth. It can be said that from which the “music of nature” is constructed. In the 21st century, a new field–Ecomusicology–has emerged in the field of musical art to study the sound ecosystem and various issues related to it. Ecomusicology considers the interconnections between music, culture, and nature–According to the Aaron Allen. Eco-music is a field of ecomusicology concerning with the depiction and realization of practical processes using modern composition techniques. Finding an artificial sound source (instrumental or electronic) for the piece that will blend into the soundscape of Sound Oases. Creating a composition, which sounds in harmony with the vibrations of human, nature, environment, and micro- macrocosm as a whole; Currently, we are exploring the ambient sound of the Georgian urban and suburban environment to discover “Sound Oases" and compose Eco-music works. We called “Sound Oases" an environment with a specific sound of the ecosystem to use in the musical piece as an instrument. The most interesting examples of Eco-music are the round dances, which were already created in the BC era. In round dances people would feel the united energy. This urge to get united revealed itself in our age too, manifesting itself in a variety of social media. The virtual world, however, is not enough for a healthy interaction; we created plan of “contemporary round dance” in sound oasis, found during expedition in Georgian caves, where people interacted with cave's soundscape and eco-music, they feel each other sharing energy and listen to earth sound. This project could be considered a contemporary round dance, a long improvisation, particular type of art therapy, where everyone can participate in an artistic process. We would like to present research result of our eco-music experimental performance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=eco-music" title="eco-music">eco-music</a>, <a href="https://publications.waset.org/abstracts/search?q=environment" title=" environment"> environment</a>, <a href="https://publications.waset.org/abstracts/search?q=sound" title=" sound"> sound</a>, <a href="https://publications.waset.org/abstracts/search?q=oasis" title=" oasis"> oasis</a> </p> <a href="https://publications.waset.org/abstracts/173544/perception-of-eco-music-from-the-contents-the-earths-sound-ecosystem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173544.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">61</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">21</span> Test of Biological Control against Brachytrupes Megacephalus Lefèbre, 1827 (Orthoptera, Gryllinae) by Using Entomopathogenic Fungi</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=W.%20Lakhdari">W. Lakhdari</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Doumendji-Mitich"> B. Doumendji-Mitich</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Dahliz"> A. Dahliz</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Doumendji"> S. Doumendji</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20Bouchikh"> Y. Bouchikh</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20M%27lik"> R. M'lik</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Hammi"> H. Hammi</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Soud"> A. Soud </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work was done in order to fight against Brachytrupes megacephalus, a major pest in the Algerian oasis and promote one aspect of biological control against it. He wears a hand on the isolation and identification of indigenous fungi on imagos of this insect harvested in the station of INRAA Touggourt and secondly, the study of the pathogenicity of these strains fungal on this orthoptère adults. The results obtained showed the presence of six different species of entomopathogenic fungi, it is: Aspergillus flavus, Fusarium sp, Beauveria bassiana, Penicillium sp, Metharizium anisopliae and Aspergillus Niger. The pathogenicity test using fungi Beauveria bassiana strains and Metharizium anisopliae. On adult of B. megacephalus highlights the effectiveness of these strains of predatory adults, with a mortality rate approaching 100% after 11 days. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biological%20control" title="biological control">biological control</a>, <a href="https://publications.waset.org/abstracts/search?q=brachytrupes%20megacephalus" title=" brachytrupes megacephalus"> brachytrupes megacephalus</a>, <a href="https://publications.waset.org/abstracts/search?q=entomopathogenic%20fungi" title=" entomopathogenic fungi"> entomopathogenic fungi</a>, <a href="https://publications.waset.org/abstracts/search?q=Southeastern%20Algeria" title=" Southeastern Algeria"> Southeastern Algeria</a> </p> <a href="https://publications.waset.org/abstracts/14245/test-of-biological-control-against-brachytrupes-megacephalus-lefebre-1827-orthoptera-gryllinae-by-using-entomopathogenic-fungi" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14245.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">410</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">20</span> Spectral Re-Evaluation of the Magnetic Basement Depth over Yola Arm of Upper Benue Trough Nigeria Using Aeromagnetic Data</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Emberga%20Terhemb%20Opara%20Alexander">Emberga Terhemb Opara Alexander</a>, <a href="https://publications.waset.org/abstracts/search?q=Selemo%20Alexader"> Selemo Alexader</a>, <a href="https://publications.waset.org/abstracts/search?q=Onyekwuru%20Samuel"> Onyekwuru Samuel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aeromagnetic data have been used to re-evaluate parts of the Upper Benue Trough Nigeria using spectral analysis technique in order to appraise the mineral accumulation potential of the area. The regional field was separated with a first order polynomial using polyfit program. The residual data was subdivided into 24 spectral blocks using OASIS MONTAJ software program. Two prominent magnetic depth source layers were identified. The deeper source depth values obtained ranges from 1.56km to 2.92km with an average depth of 2.37km as the magnetic basement depth while for the shallower sources, the depth values ranges from -1.17km to 0.98km with an average depth of 0.55km. The shallow depth source is attributed to the volcanic rocks that intruded the sedimentary formation and this could possibly be responsible for the mineralization found in parts of the study area. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spectral%20analysis" title="spectral analysis">spectral analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=Upper%20Benue%20Trough" title=" Upper Benue Trough"> Upper Benue Trough</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20basement%20depth" title=" magnetic basement depth"> magnetic basement depth</a>, <a href="https://publications.waset.org/abstracts/search?q=aeromagnetic" title=" aeromagnetic"> aeromagnetic</a> </p> <a href="https://publications.waset.org/abstracts/27913/spectral-re-evaluation-of-the-magnetic-basement-depth-over-yola-arm-of-upper-benue-trough-nigeria-using-aeromagnetic-data" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27913.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">451</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">19</span> A Study on Vulnerability of Alahsa Governorate to Generate Urban Heat Islands</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ilham%20S.%20M.%20Elsayed">Ilham S. M. Elsayed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study is to investigate Alahsa Governorate status and its vulnerability to generate urban heat islands. Alahsa Governorate is a famous oasis in the Arabic Peninsula including several oil centers. Extensive literature review was done to collect previous relative data on the urban heat island of Alahsa Governorate. Data used for the purpose of this research were collected from authorized bodies who control weather station networks over Alahsa Governorate, Eastern Province, Saudi Arabia. Although, the number of weather station networks within the region is very limited and the analysis using GIS software and its techniques is difficult and limited, the data analyzed confirm an increase in temperature for more than 2 °C from 2004 to 2014. Such increase is considerable whenever human health and comfort are the concern. The increase of temperature within one decade confirms the availability of urban heat islands. The study concludes that, Alahsa Governorate is vulnerable to create urban heat islands and more attention should be drawn to strategic planning of the governorate that is developing with a high pace and considerable increasing levels of urbanization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alahsa%20Governorate" title="Alahsa Governorate">Alahsa Governorate</a>, <a href="https://publications.waset.org/abstracts/search?q=population%20density" title=" population density"> population density</a>, <a href="https://publications.waset.org/abstracts/search?q=Urban%20Heat%20Island" title=" Urban Heat Island"> Urban Heat Island</a>, <a href="https://publications.waset.org/abstracts/search?q=weather%20station" title=" weather station"> weather station</a> </p> <a href="https://publications.waset.org/abstracts/60392/a-study-on-vulnerability-of-alahsa-governorate-to-generate-urban-heat-islands" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60392.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">250</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">18</span> Innovations in Enterprises (with References to Micro, Small and Medium Enterprises in Visakhapatnam District, India)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=D.%20Lalitha%20Rani">D. Lalitha Rani</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Sankar%20Rao"> K. Sankar Rao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> MSMEs, due to their unique characteristics, are found to have inherent capabilities to undertake technological and non-technological innovations successfully across industries and nations. While there is considerable empirical evidence to throw light on SME innovation contributions in the context of developed countries, there is hardly any evidence to reveal how innovative SMEs are in rapidly industrializing economies like India. Indian MSMEs are largely incremental innovators, prompted by their customers and involved in product and/or process innovations. But majority carried out innovations with internal efforts only whereas the minority which obtained external support, had better technical strength, indulged in more frequent and both product & process innovations. Such MSMEs achieved better innovation performance as well as better economic performance. Some of them internationalized themselves in the process. However such achievements are “an oasis” in the vast Indian SME sector. How to promote (i) innovations, (ii) quality of innovations and (iii) patenting culture among the SMEs is a challenge for Indian Policy Makers. However this paper examines what are the innovation practices which are being carried out in this sector and identified the barriers for innovations in this sector and concludes with proposing some policy recommendations for promoting innovations in MSME sector in India. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=MSMEs" title="MSMEs">MSMEs</a>, <a href="https://publications.waset.org/abstracts/search?q=incremental%20innovators" title=" incremental innovators"> incremental innovators</a>, <a href="https://publications.waset.org/abstracts/search?q=policies" title=" policies"> policies</a>, <a href="https://publications.waset.org/abstracts/search?q=non-technological%20innovations" title=" non-technological innovations"> non-technological innovations</a> </p> <a href="https://publications.waset.org/abstracts/27607/innovations-in-enterprises-with-references-to-micro-small-and-medium-enterprises-in-visakhapatnam-district-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27607.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">479</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">17</span> Evaluation of Anti-Leishmanial Activity of Albaha Medicinal Plants against Leishmania amazonensis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saeed%20S.%20Al-Sokari">Saeed S. Al-Sokari</a>, <a href="https://publications.waset.org/abstracts/search?q=Nasser%20A.%20Awadh%20Ali"> Nasser A. Awadh Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Lianet%20Monzote"> Lianet Monzote</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Leishmaniasis (CL) is endemic in at least 82 countries and considered to be a major public-health problem (1). The annual incidence of CL is 1–1.5 million cases of which 90% occur in only seven countries: Afghanistan, Algeria, Brazil, Iran, Peru, Saudi Arabia and Syria (2). In Saudi Arabia, the disease was first described in 1973 by Moursy and Shoura (3). Currently, CL is common in the human population in different localities, including the Eastern Province of Saudi Arabia and in particular the Al-Hassa Oasis that is a known endemic area for CL (4). Five methanolic extracts obtained from Achillea biebersteinii (flower leaf), Euphorbia antiquorm, Solanum incanum (leaf and fruit extracts), collected from Albaha region and selected from ethno-botanical data, were screened for their anti-leishmanial activity against Leishmania amazonensis (6). The cytotoxic activity against normal peritoneal macrophages from normal BALB/c mice was also determined (6). The five extracts had IC50 values ranging from < 12.5 to 37.8 µg/ml against promastigotes. Achillea biebersteinii flower, Euphorbia antiquorm, Solanum incanum leaf extracts showed anti-leishmanial activities with IC50 between < 12.5 - 26.9µg/mL and acceptable selectivity indices of 8 - 5. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=plant%20extracts" title="plant extracts">plant extracts</a>, <a href="https://publications.waset.org/abstracts/search?q=Albaha" title=" Albaha"> Albaha</a>, <a href="https://publications.waset.org/abstracts/search?q=Leishmania%20amazonensis" title=" Leishmania amazonensis"> Leishmania amazonensis</a>, <a href="https://publications.waset.org/abstracts/search?q=Medicinal" title=" Medicinal "> Medicinal </a> </p> <a href="https://publications.waset.org/abstracts/33181/evaluation-of-anti-leishmanial-activity-of-albaha-medicinal-plants-against-leishmania-amazonensis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33181.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">344</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">16</span> Reduction Behavior of Some Low-Grade Iron Ores for Application in Blast Furnace</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Heba%20Al-Kelesh">Heba Al-Kelesh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Day after day, high-grade iron ores are consumed. Because of the strong global demand for iron and steel, it has necessitated the utilization of various low-grade iron ores, which are not suitable for direct exploitation in the iron industry. The low-grade ores cannot be dressed using traditional mineral processing methods because of complicated mineral compositions. The present work is aimed to investigate the reducibility of some Egyptian iron ores and concentrates by conditions emulate different blast furnace areas. Representative specimens are collected from El-Gedida–Baharia oasis, Eastern South Aswan, and Eastern desert-wadi Kareem (EDC). Some mineralogical and morphological characterizations are executed. The reactivity arrangement of green samples is Baharia>Aswan>EDC. The presence of magnetite decreased reactivity of EDC. The reducibility of the Aswan sample is lower than Baharia due to the presence of agglomerated metallic grain surrounded by semi-melted phases. Specimens are annealed at 1000ᵒC for 3 hours. After firing, the reducibility of Aswan becomes the lowest due to the formation of fayalite and calcium phosphate phases. The relative attitude for green and fired samples reduced at different conditions are studied. For thermal and top areas, the reactivity of fired samples is greater than green ones, which were confirmed by morphological examinations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=reducibility" title="reducibility">reducibility</a>, <a href="https://publications.waset.org/abstracts/search?q=low%20grade" title=" low grade"> low grade</a>, <a href="https://publications.waset.org/abstracts/search?q=iron%20industry" title=" iron industry"> iron industry</a>, <a href="https://publications.waset.org/abstracts/search?q=blast%20furnace" title=" blast furnace"> blast furnace</a> </p> <a href="https://publications.waset.org/abstracts/111794/reduction-behavior-of-some-low-grade-iron-ores-for-application-in-blast-furnace" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111794.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">126</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">15</span> Investigation of the Litho-Structure of Ilesa Using High Resolution Aeromagnetic Data</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oladejo%20Olagoke%20Peter">Oladejo Olagoke Peter</a>, <a href="https://publications.waset.org/abstracts/search?q=Adagunodo%20T.%20A."> Adagunodo T. A.</a>, <a href="https://publications.waset.org/abstracts/search?q=Ogunkoya%20C.%20O."> Ogunkoya C. O.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The research investigated the arrangement of some geological features under Ilesa employing aeromagnetic data. The obtained data was subjected to various data filtering and processing techniques, which are Total Horizontal Derivative (THD), Depth Continuation and Analytical Signal Amplitude using Geosoft Oasis Montaj 6.4.2 software. The Reduced to the Equator –Total Magnetic Intensity (TRE-TMI) outcomes reveal significant magnetic anomalies, with high magnitude (55.1 to 155 nT) predominantly at the Northwest half of the area. Intermediate magnetic susceptibility, ranging between 6.0 to 55.1 nT, dominates the eastern part, separated by depressions and uplifts. The southern part of the area exhibits a magnetic field of low intensity, ranging from -76.6 to 6.0 nT. The lineaments exhibit varying lengths ranging from 2.5 and 16.0 km. Analyzing the Rose Diagram and the analytical signal amplitude indicates structural styles mainly of E-W and NE-SW orientations, particularly evident in the western, SW and NE regions with an amplitude of 0.0318nT/m. The identified faults in the area demonstrate orientations of NNW-SSE, NNE-SSW and WNW-ESE, situated at depths ranging from 500 to 750 m. Considering the divergence magnetic susceptibility, structural style or orientation of the lineaments, identified fault and their depth, these lithological features could serve as a valuable foundation for assessing ground motion, particularly in the presence of sufficient seismic energy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lineament" title="lineament">lineament</a>, <a href="https://publications.waset.org/abstracts/search?q=aeromagnetic" title=" aeromagnetic"> aeromagnetic</a>, <a href="https://publications.waset.org/abstracts/search?q=anomaly" title=" anomaly"> anomaly</a>, <a href="https://publications.waset.org/abstracts/search?q=fault" title=" fault"> fault</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic" title=" magnetic"> magnetic</a> </p> <a href="https://publications.waset.org/abstracts/176552/investigation-of-the-litho-structure-of-ilesa-using-high-resolution-aeromagnetic-data" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/176552.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">75</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">14</span> Remotely Sensed Data Fusion to Extract Vegetation Cover in the Cultural Park of Tassili, South of Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Y.%20Fekir">Y. Fekir</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Mederbal"> K. Mederbal</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Hammadouche"> M. A. Hammadouche</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Anteur"> D. Anteur</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The cultural park of the Tassili, occupying a large area of Algeria, is characterized by a rich vegetative biodiversity to be preserved and managed both in time and space. The management of a large area (case of Tassili), by its complexity, needs large amounts of data, which for the most part, are spatially localized (DEM, satellite images and socio-economic information etc.), where the use of conventional and traditional methods is quite difficult. The remote sensing, by its efficiency in environmental applications, became an indispensable solution for this kind of studies. Multispectral imaging sensors have been very useful in the last decade in very interesting applications of remote sensing. They can aid in several domains such as the de¬tection and identification of diverse surface targets, topographical details, and geological features. In this work, we try to extract vegetative areas using fusion techniques between data acquired from sensor on-board the Earth Observing 1 (EO-1) satellite and Landsat ETM+ and TM sensors. We have used images acquired over the Oasis of Djanet in the National Park of Tassili in the south of Algeria. Fusion technqiues were applied on the obtained image to extract the vegetative fraction of the different classes of land use. We compare the obtained results in vegetation end member extraction with vegetation indices calculated from both Hyperion and other multispectral sensors. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Landsat%20ETM%2B" title="Landsat ETM+">Landsat ETM+</a>, <a href="https://publications.waset.org/abstracts/search?q=EO1" title=" EO1"> EO1</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20fusion" title=" data fusion"> data fusion</a>, <a href="https://publications.waset.org/abstracts/search?q=vegetation" title=" vegetation"> vegetation</a>, <a href="https://publications.waset.org/abstracts/search?q=Tassili" title=" Tassili"> Tassili</a>, <a href="https://publications.waset.org/abstracts/search?q=Algeria" title=" Algeria"> Algeria</a> </p> <a href="https://publications.waset.org/abstracts/9997/remotely-sensed-data-fusion-to-extract-vegetation-cover-in-the-cultural-park-of-tassili-south-of-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9997.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">433</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">13</span> Development of Sustainable Farming Compartment with Treated Wastewater in Abu Dhabi</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jongwan%20Eun">Jongwan Eun</a>, <a href="https://publications.waset.org/abstracts/search?q=Sam%20Helwany"> Sam Helwany</a>, <a href="https://publications.waset.org/abstracts/search?q=Lakshyana%20K.%20C."> Lakshyana K. C.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The United Arab Emirates (UAE) is significantly dependent on desalinated water and groundwater resource, which is expensive and highly energy intensive. Despite the scarce water resource, stagnates only 54% of the recycled water was reused in 2012, and due to the lack of infrastructure to reuse the recycled water, the portion is expected to decrease with growing water usage. In this study, an “Oasis” complex comprised of Sustainable Farming Compartments (SFC) was proposed for reusing treated wastewater. The wastewater is used to decrease the ambient temperature of the SFC via an evaporative cooler. The SFC prototype was designed, built, and tested in an environmentally controlled laboratory and field site to evaluate the feasibility and effectiveness of the SFC subjected to various climatic conditions in Abu Dhabi. Based on the experimental results, the temperature drop achieved in the SFC in the laboratory and field site were5 ̊C from 22 ̊C and 7- 15 ̊C (from 33-45 ̊C to average 28 ̊C at relative humidity < 50%), respectively. An energy simulation using TRNSYS was performed to extend and validate the results obtained from the experiment. The results from the energy simulation and experiments show statistically close agreement. The total power consumption of the SFC system was approximately three and a half times lower than that of an electrical air conditioner. Therefore, by using treated wastewater, the SFC has a promising prospect to solve Abu Dhabi’s ecological concern related to desertification and wind erosion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ecological%20farming%20system" title="ecological farming system">ecological farming system</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20simulation" title=" energy simulation"> energy simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=evaporative%20cooling%20system" title=" evaporative cooling system"> evaporative cooling system</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature" title=" temperature"> temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=treated%20waste%20water" title=" treated waste water"> treated waste water</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature" title=" temperature"> temperature</a> </p> <a href="https://publications.waset.org/abstracts/48947/development-of-sustainable-farming-compartment-with-treated-wastewater-in-abu-dhabi" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48947.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">250</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">12</span> The Rise of Boko Haram in Nigeria: Lesson for Ghana</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Emmanuel%20Anim">Emmanuel Anim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ghana has been touted as an oasis of peace in Africa following her relatively peaceful democratic elections, proliferated number of the media, and freedom of speech. Besides, the former Gold Coast country is yet to experience any major incidence of terrorism. Nevertheless, the somewhat occasional simmering violence and conflicts arising from political, religious and chieftaincy skirmishes, largely at its northern part portrays that it is not immune to the political violence of terrorism. The predominantly-based qualitative research reveals that current conditions of socio-politico-economic, and religious issues in Ghana places the West African country on the possible sidelines of the phenomenon of terrorism, when its status quo is juxtaposed with the factors enumerated to have culminated in the rise of Boko Haram, and its accompanying insurgency in Nigeria. Arguing from the perspective of the theory of Social Movement, the analyses and discussions note that the current state of affairs in Ghana could foster domestic terrorism in the country. What is more, the research shows that Ghana faces threats from transnational terrorism given the tendency for elements in Ghana to sympathize and subscribe to the ideological dictates and appeals from Boko Haram and other terrorist organizations. As a consequence, the study recommends that adverse conditions of poverty, poor governance, unemployment, and rising levels of (Islamic) religious radicalization should be remedied by economic improvements, good governance, job creation, and de-radicalization programs by government officials to aid mitigate the incidence of terrorism in the country. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Boko%20Haram" title="Boko Haram">Boko Haram</a>, <a href="https://publications.waset.org/abstracts/search?q=Ghana" title=" Ghana"> Ghana</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigeria" title=" Nigeria"> Nigeria</a>, <a href="https://publications.waset.org/abstracts/search?q=terrorism" title=" terrorism"> terrorism</a> </p> <a href="https://publications.waset.org/abstracts/45983/the-rise-of-boko-haram-in-nigeria-lesson-for-ghana" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45983.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">428</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">11</span> Application of Hydrological Model in Support of Streamflow Allocation in Arid Watersheds in Northwestern China</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chansheng%20He">Chansheng He</a>, <a href="https://publications.waset.org/abstracts/search?q=Lanhui%20Zhang"> Lanhui Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Baoqing%20Zhang"> Baoqing Zhang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Spatial heterogeneity of landscape significantly affects watershed hydrological processes, particularly in high elevation and cold mountainous watersheds such as the inland river (terminal lake) basins in Northwest China, where the upper reach mountainous areas are the main source of streamflow for the downstream agricultural oases and desert ecosystems. Thus, it is essential to take into account spatial variations of hydrological processes in streamflow allocation at the watershed scale. This paper adapts the Distributed Large Basin Runoff Model (DLBRM) to the Heihe River Watershed, the second largest inland river with a drainage area of about 128,000 km2 in Northwest China, for understanding the transfer and partitioning mechanism among the glacier and snowmelt, surface runoff, evapotranspiration, and groundwater recharge among the upper, middle, and lower reaches in the study area. Results indicate that the upper reach Qilian Mountain area is the main source of streamflow for the middle reach agricultural oasis and downstream desert areas. Large withdrawals for agricultural irrigation in the middle reach had significantly depleted river flow for the lower reach desert ecosystems. Innovative conservation and enforcement programs need to be undertaken to ensure the successful implementation of water allocation plan of delivering 0.95 x 109 m3 of water downstream annually by the State Council in the Heihe River Watershed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=DLBRM" title="DLBRM">DLBRM</a>, <a href="https://publications.waset.org/abstracts/search?q=Northwestern%20China" title=" Northwestern China"> Northwestern China</a>, <a href="https://publications.waset.org/abstracts/search?q=spatial%20variation" title=" spatial variation"> spatial variation</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20allocation" title=" water allocation"> water allocation</a> </p> <a href="https://publications.waset.org/abstracts/40864/application-of-hydrological-model-in-support-of-streamflow-allocation-in-arid-watersheds-in-northwestern-china" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40864.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">301</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">10</span> The Role of Cornulaca aucheri in Stabilization of Degraded Sandy Soil in Kuwait</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Modi%20M.%20Ahmed">Modi M. Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Noor%20Al-Dousari"> Noor Al-Dousari</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20M.%20Al-Dousari"> Ali M. Al-Dousari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cornulaca aucheri is an annual herb consider as disturbance indicator currently visible and widely distributed in disturbed lands in Liyah area. Such area is suffered from severe land degradation due to multiple interacting factors such as, overgrazing, gravel and sand quarrying, military activities and natural process. The restoration program is applied after refilled quarries sites and levelled the surface irregularities in order to rehabilitate the natural vegetation and wildlife to its original shape. During the past 10 years of rehabilitation, noticeable greenery healthy cover of Cornulaca sp. are shown specially around artificial lake and playas. The existence of such species in high density it means that restoration program has succeeded and transit from bare ground state to Cornulaca and annual forb state. This state is lower state of Range State Transition Succession model, but it is better than bare soil. Cornulaca spp is native desert plant grows in arid conditions on sandy, stony ground, near oasis, on sand dunes and in sandy depressions. The sheep and goats are repulsive of it. Despite its spiny leaves, it provides good grazing for camels and is said to increase the milk supply produced by lactating females. It is about 80 cm tall and has stems that branched from the base with new faster greenery growth in the summer. It shows good environmental potential to be managed as natural types used for the restoration of degraded lands in desert areas. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=land%20degradation" title="land degradation">land degradation</a>, <a href="https://publications.waset.org/abstracts/search?q=range%20state%20transition%20succession%20model" title=" range state transition succession model"> range state transition succession model</a>, <a href="https://publications.waset.org/abstracts/search?q=rehabilitation" title=" rehabilitation"> rehabilitation</a>, <a href="https://publications.waset.org/abstracts/search?q=restoration%20program" title=" restoration program"> restoration program</a> </p> <a href="https://publications.waset.org/abstracts/57475/the-role-of-cornulaca-aucheri-in-stabilization-of-degraded-sandy-soil-in-kuwait" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57475.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">370</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9</span> Improvement of Water Quality of Al Asfar Lake Using Constructed Wetland System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jamal%20Radaideh">Jamal Radaideh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Al-Asfar Lake is located about 14 km east of Al-Ahsa and is one of the most important wetland lakes in the Al Ahsa/Eastern Province of Saudi Arabia. Al-Ahsa is may be the largest oasis in the world, having an area of 20,000 hectares, in addition, it is of the largest and oldest agricultural centers in the region. The surplus farm irrigation water beside additional water supplied by treated wastewater from Al-Hofuf sewage station is collected by a drainage network and discharged into Al-Asfar Lake. The lake has good wetlands, sand dunes as well as large expanses of open and shallow water. Salt tolerant vegetation is present in some of the shallow areas around the lake, and huge stands of Phragmites reeds occur around the lake. The lake presents an important habitat for wildlife and birds, something not expected to find in a large desert. Although high evaporation rates in the range of 3250 mm are common, the water remains in the evaporation lakes during all seasons of the year is used to supply cattle with drinking water and for aquifer recharge. Investigations showed that high concentrations of nitrogen (N), phosphorus (P), biological oxygen demand (BOD), chemical oxygen demand (COD) and salinity discharge to Al Asfar Lake from the D2 drain exist. It is expected that the majority of BOD, COD and N originates from wastewater discharge and leachate from surplus irrigation water which also contribute to the majority of P and salinity. The significant content of nutrients and biological oxygen demand reduces available oxygen in the water. The present project aimed to improve the water quality of the lake using constructed wetland trains which will be built around the lake. Phragmites reeds, which already occur around the lake, will be used. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Al%20Asfar%20lake" title="Al Asfar lake">Al Asfar lake</a>, <a href="https://publications.waset.org/abstracts/search?q=constructed%20wetland" title=" constructed wetland"> constructed wetland</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20quality" title=" water quality"> water quality</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20treatment" title=" water treatment"> water treatment</a> </p> <a href="https://publications.waset.org/abstracts/60151/improvement-of-water-quality-of-al-asfar-lake-using-constructed-wetland-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60151.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">449</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">8</span> Thermal Proprieties of Date Palm Wood </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20Almi">K. Almi</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Lakel"> S. Lakel</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Benchabane"> A. Benchabane</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Kriker"> A. Kriker</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Several researches are focused on natural resources for the production of biomaterials intended for technical applications. Date palm wood present one of the world’s most important natural resource. Its use as insulating materials will help to solve the severe environmental and recycling problems which other artificial insulating materials caused. This paper reports the results of an experimental investigation on the thermal proprieties of date palm wood from Algeria. A study of physical, chemical, and mechanical properties is also carried out. The goal is to use this natural material in the manufacture of thermal insulation materials for buildings. The local natural resources used in this study are the date palm fibers from Biskra oasis in Algeria. The results have shown that there is no significant difference in the morphological proprieties of the four types of residues. Their chemical composition differed slightly; with the lowest amounts of cellulose and lignin content belong to Petiole. Water absorption study proved that Rachis has a low value of sorption whereas Petiole and Fibrillium have a high value of sorption what influenced their mechanical properties. It is seen that the Rachis and leaflets exhibit high tensile strength values compared to the other residue. On the other hand, the low value of the bulk density of Petiole and Fibrillium leads to a high value of specific tensile strength and young modulus. It was found that the specific young modulus of Petiole and Fibrillium was higher than that of Rachis and Leaflets and that of other natural fibers or even artificial fibers. Compared to the other materials date palm wood provide a good thermal proprieties thus, date palm wood will be a good candidate for the manufacturing efficient and safe insulating materials. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=composite%20materials" title="composite materials">composite materials</a>, <a href="https://publications.waset.org/abstracts/search?q=date%20palm%20fiber" title=" date palm fiber"> date palm fiber</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20fibers" title=" natural fibers"> natural fibers</a>, <a href="https://publications.waset.org/abstracts/search?q=tensile%20tests" title=" tensile tests"> tensile tests</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20proprieties" title=" thermal proprieties"> thermal proprieties</a> </p> <a href="https://publications.waset.org/abstracts/14539/thermal-proprieties-of-date-palm-wood" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14539.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">292</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">7</span> Aeromagnetic Data Interpretation and Source Body Evaluation Using Standard Euler Deconvolution Technique in Obudu Area, Southeastern Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chidiebere%20C.%20Agoha">Chidiebere C. Agoha</a>, <a href="https://publications.waset.org/abstracts/search?q=Chukwuebuka%20N.%20Onwubuariri"> Chukwuebuka N. Onwubuariri</a>, <a href="https://publications.waset.org/abstracts/search?q=Collins%20U.amasike"> Collins U.amasike</a>, <a href="https://publications.waset.org/abstracts/search?q=Tochukwu%20I.%20Mgbeojedo"> Tochukwu I. Mgbeojedo</a>, <a href="https://publications.waset.org/abstracts/search?q=Joy%20O.%20Njoku"> Joy O. Njoku</a>, <a href="https://publications.waset.org/abstracts/search?q=Lawson%20J.%20Osaki"> Lawson J. Osaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Ifeyinwa%20J.%20Ofoh"> Ifeyinwa J. Ofoh</a>, <a href="https://publications.waset.org/abstracts/search?q=Francis%20B.%20Akiang"> Francis B. Akiang</a>, <a href="https://publications.waset.org/abstracts/search?q=Dominic%20N.%20Anuforo"> Dominic N. Anuforo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to interpret the airborne magnetic data and evaluate the approximate location, depth, and geometry of the magnetic sources within Obudu area using the standard Euler deconvolution method, very high-resolution aeromagnetic data over the area was acquired, processed digitally and analyzed using Oasis Montaj 8.5 software. Data analysis and enhancement techniques, including reduction to the equator, horizontal derivative, first and second vertical derivatives, upward continuation and regional-residual separation, were carried out for the purpose of detailed data Interpretation. Standard Euler deconvolution for structural indices of 0, 1, 2, and 3 was also carried out and respective maps were obtained using the Euler deconvolution algorithm. Results show that the total magnetic intensity ranges from -122.9nT to 147.0nT, regional intensity varies between -106.9nT to 137.0nT, while residual intensity ranges between -51.5nT to 44.9nT clearly indicating the masking effect of deep-seated structures over surface and shallow subsurface magnetic materials. Results also indicated that the positive residual anomalies have an NE-SW orientation, which coincides with the trend of major geologic structures in the area. Euler deconvolution for all the considered structural indices has depth to magnetic sources ranging from the surface to more than 2000m. Interpretation of the various structural indices revealed the locations and depths of the source bodies and the existence of geologic models, including sills, dykes, pipes, and spherical structures. This area is characterized by intrusive and very shallow basement materials and represents an excellent prospect for solid mineral exploration and development. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Euler%20deconvolution" title="Euler deconvolution">Euler deconvolution</a>, <a href="https://publications.waset.org/abstracts/search?q=horizontal%20derivative" title=" horizontal derivative"> horizontal derivative</a>, <a href="https://publications.waset.org/abstracts/search?q=Obudu" title=" Obudu"> Obudu</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20indices" title=" structural indices"> structural indices</a> </p> <a href="https://publications.waset.org/abstracts/171696/aeromagnetic-data-interpretation-and-source-body-evaluation-using-standard-euler-deconvolution-technique-in-obudu-area-southeastern-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/171696.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">81</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6</span> Manufacturing New Insulating Materials: A Study on Thermal Properties of Date Palm Wood</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20Almi">K. Almi</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Lakel"> S. Lakel</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Benchabane"> A. Benchabane</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Kriker"> A. Kriker</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The fiber–matrix compatibility can be improved if suitable enforcements are chosen. Whenever the reinforcements have more thermal stability, they can resist to the main processes for wood–thermoplastic composites. Several researches are focused on natural resources for the production of biomaterials intended for technical applications. Date palm wood present one of the world’s most important natural resource. Its use as insulating materials will help to solve the severe environmental and recycling problems which other artificial insulating materials caused. This paper reports the results of an experimental investigation on the thermal proprieties of date palm wood from Algeria. A study of physical, chemical and mechanical properties is also carried out. The goal is to use this natural material in the manufacture of thermal insulation materials for buildings. The local natural resources used in this study are the date palm fibers from Biskra oasis in Algeria. The results have shown that there is no significant difference in the morphological proprieties of the four types of residues. Their chemical composition differed slightly; with the lowest amounts of cellulose and lignin content belong to Petiole. Water absorption study proved that Rachis has a low value of sorption whereas Petiole and Fibrillium have a high value of sorption what influenced their mechanical properties. It is seen that the Rachis and leaflets exhibit a high tensile strength values compared to the other residue. On the other hand the low value of bulk density of Petiole and Fibrillium leads to high value of specific tensile strength and young modulus. It was found that the specific young modulus of Petiole and Fibrillium was higher than that of Rachis and Leaflets and that of other natural fibers or even artificial fibers. Compared to the other materials date palm wood provide a good thermal proprieties thus, date palm wood will be a good candidate for the manufacturing efficient and safe insulating materials. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=composite%20materials" title="composite materials">composite materials</a>, <a href="https://publications.waset.org/abstracts/search?q=date%20palm%20fiber" title=" date palm fiber"> date palm fiber</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20fibers" title=" natural fibers"> natural fibers</a>, <a href="https://publications.waset.org/abstracts/search?q=tensile%20tests" title=" tensile tests"> tensile tests</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20proprieties" title=" thermal proprieties"> thermal proprieties</a> </p> <a href="https://publications.waset.org/abstracts/14220/manufacturing-new-insulating-materials-a-study-on-thermal-properties-of-date-palm-wood" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14220.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">642</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">‹</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=oasis&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=oasis&page=2" rel="next">›</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" 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