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himalaya (HH)</title> <meta name="description" content="Search results for: higher himalaya (HH)"> <meta name="keywords" content="higher himalaya (HH)"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block 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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="higher himalaya (HH)"> <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> 11153</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: higher himalaya (HH)</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">11153</span> Tectonic Complexity: Out-of-Sequence Thrusting in the Higher Himalaya of Jhakri-Sarahan region, Himachal Pradesh, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rajkumar%20Ghosh">Rajkumar Ghosh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study focuses on the tectonics of out-of-sequence thrusting (OOST) in the NW region of the Himalaya, particularly in Himachal Pradesh. The research aims to identify the features and nature of OOST in the field and the associated rock types and lithological boundaries in the field of NW Himalaya, Himachal Pradesh, India. The research employs fieldwork and micro-structure observations, correlations, and analyses to identify and analyze the OOST features and associated rock types. The study reveals the presence of three OOSTs, namely Jhakri Thrust (JT), Sarahan Thrust (ST), and Chaura Thrust (CT), which consist of several branches, some of which are still active. The thrust system exhibits varying internal geometry, including box folds, boudins, scar folds, crenulation cleavages, kink folds, and tension gashes. The CT, which is concealed beneath Jutogh Thrust sheet, represents a steepened downward thrust, while the JT has a western dip and is south-westward verging. The research provides crucial information on the tectonics of OOST in the NW region of the Himalaya, particularly in Himachal Pradesh, which is crucial in understanding the regional geological evolution and associated hazards. The data were collected through fieldwork and micro-structure observations, correlations, and analyses of rock samples. The data were analyzed using tectonic and geochronological techniques to identify the nature and characteristics of OOST. The research addressed the question of identifying Higher Himalayan OOST in the field of NW Himalaya, Himachal Pradesh, India, and the associated rock types and lithological boundaries. The study concludes that there is minimal documentation and a lack of suitable exposure of rocks to generalize the features of OOST in the field in NW Higher Himalaya, Himachal Pradesh. The study recommends more extensive mapping and fieldwork to improve understanding of OOST in the region. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=out-of-sequence%20thrust%20%28OOST%29" title="out-of-sequence thrust (OOST)">out-of-sequence thrust (OOST)</a>, <a href="https://publications.waset.org/abstracts/search?q=main%20central%20thrust%20%28MCT%29" title=" main central thrust (MCT)"> main central thrust (MCT)</a>, <a href="https://publications.waset.org/abstracts/search?q=jhakri%20thrust%20%28JT%29" title=" jhakri thrust (JT)"> jhakri thrust (JT)</a>, <a href="https://publications.waset.org/abstracts/search?q=sarahan%20thrust%20%28ST%29" title=" sarahan thrust (ST)"> sarahan thrust (ST)</a>, <a href="https://publications.waset.org/abstracts/search?q=chaura%20thrust%20%28CT%29" title=" chaura thrust (CT)"> chaura thrust (CT)</a>, <a href="https://publications.waset.org/abstracts/search?q=higher%20himalaya%20%28HH%29" title=" higher himalaya (HH)"> higher himalaya (HH)</a> </p> <a href="https://publications.waset.org/abstracts/168719/tectonic-complexity-out-of-sequence-thrusting-in-the-higher-himalaya-of-jhakri-sarahan-region-himachal-pradesh-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168719.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">91</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">11152</span> Unraveling the Puzzle of Out-of-Sequence Thrusting in the Higher Himalaya: Focus on Jhakri-Chaura-Sarahan Thrust, Himachal Pradesh, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rajkumar%20Ghosh">Rajkumar Ghosh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study examines the structural analysis of Chaura Thrust in Himachal Pradesh, India, focusing on the activation timing of Main Central Thrust (MCT) and South Tibetan Detachment System (STDS), mylonitised zones, and the characterization of box fold and its signature in the regional geology of Himachal Himalaya. The research aims to document the Higher Himalayan Out-of-Sequence Thrust (OOST) in Himachal Pradesh, which activated the MCTL and in between a zone south of MCTU. The study also documents the GBM-associated temperature range and the activation of Higher Himalayan Out-of-Sequence Thrust (OOST) in Himachal Pradesh. The findings contribute to understanding the structural analysis of Chaura Thrust and its signature in the regional geology of Himachal Himalaya. The study highlights the significance of microscopic studies in documenting mylonitized zones and identifying various types of crenulated schistosity. The study concludes that Chaura Thrust is not a blind thrust and details the field evidence for the OOST. The study characterizes the box fold and its signature in the regional geology of Himachal Himalaya. The study also documents the activation timing and ages of MCT, STDS, MBT, and MFT and identifies various types of crenulated schistosity under the microscope. The study also highlights the significance of microscopic studies in the structural analysis of Chaura Thrust. Finally, the study documents the activation of Higher Himalayan Out-of-Sequence Thrust (OOST) in Himachal Pradesh and the expectations for strain variation near the OOST. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chaura%20Thrust" title="Chaura Thrust">Chaura Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Higher%20Himalaya" title=" Higher Himalaya"> Higher Himalaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Jhakri%20Thrust" title=" Jhakri Thrust"> Jhakri Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Main%20Central%20Thrust" title=" Main Central Thrust"> Main Central Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Out-of-Sequence%20Thrust" title=" Out-of-Sequence Thrust"> Out-of-Sequence Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarahan%20Thrust" title=" Sarahan Thrust"> Sarahan Thrust</a> </p> <a href="https://publications.waset.org/abstracts/168724/unraveling-the-puzzle-of-out-of-sequence-thrusting-in-the-higher-himalaya-focus-on-jhakri-chaura-sarahan-thrust-himachal-pradesh-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168724.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">11151</span> Geomorphological Features and their Significance Along Dhauli Ganga River Valley in North-Eastern Kumaun Himalaya in Pithauragah District, Uttarakhand, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Puran%20Chandra%20Joshi">Puran Chandra Joshi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Himalaya is the newest mountain system on this earth. This highest as well as fragile mountain system is still rising up. The tectonic activities have been experienced by this entire area, so the geomorphology of the region is affected by it. As we know, geomorphology is the study of landforms and their processes on the earth surface. These landforms are very important for human beings and other creatures on this planet. Present paper traces out the geomorphological features and their significance along Dhauli Ganga river valley in the Himalaya. Study area falls in higher Himalaya, which has experienced glacial and fluvial processes. Dhauli Ganga river is a considerable tributary of river kali, which is the part of huge Gangetic system. Dhauli originates in the form of two tributaries from valley glaciers of the southern slopes of Kumaun-Tibbet water divide. The upper catchment of this river has been carved by the glacial activity. The area of investigation is a remote regionin, Kumaun Himalaya. The native people do seasonal migration due to harsh winters. In summers, they return back with their cattle. In this season, they also grow potatoes and pulses, especiallybeanson river terraces. This study is important for making policies in the entire area. Area has witnessed big landslide in the recent past. So, the present study becomes more important. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=himalaya" title="himalaya">himalaya</a>, <a href="https://publications.waset.org/abstracts/search?q=geomorphology" title=" geomorphology"> geomorphology</a>, <a href="https://publications.waset.org/abstracts/search?q=glacial" title=" glacial"> glacial</a>, <a href="https://publications.waset.org/abstracts/search?q=tectonics" title=" tectonics"> tectonics</a> </p> <a href="https://publications.waset.org/abstracts/150609/geomorphological-features-and-their-significance-along-dhauli-ganga-river-valley-in-north-eastern-kumaun-himalaya-in-pithauragah-district-uttarakhand-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150609.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">122</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">11150</span> Patterns, Determinants, and Implications of Rural-Urban Migration in the Garhwal Himalaya</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saurav%20Kumar">Saurav Kumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Rural-urban migration is the most commonly adopted strategy in rural areas to overcome the risk associated with the subsistence economy and diversify income. The Garhwal Himalaya has the highest rate of rural-urban migration in India, which has serious repercussions. Despite this, there is a dearth of literature on the implications of rural-urban migration in the Garhwal Himalaya. This paper attempts to fill this void. The objectives of the paper are to look into various types, patterns, determinants, and implications of rural-urban migration in the Garhwal Himalaya. In order to meet the objectives, 15 villages were selected from five districts of the Garhwal Himalaya. In every district, three villages were chosen from different altitudes, including five from river valleys, five from mid-altitudes, and five from highlands. The villages range in altitude from 550m to 2660m. A total of 658 households were surveyed from the villages, covering 100% samples from each village. Using a structured questionnaire, the author asked the heads of each household about the types of rural-urban migration they practiced, the year of first migration, destinations of migration, and reasons for migration. Further, migrants’ age, sex, caste, marital status, educational background, income, occupation, and remittances sent by migrants were also inquired about. The study reveals that rural-urban migration is a serious problem in Garhwal Himalayas, posing various socio-economic issues. Without immediate action, it will have serious consequences. Finally, this study suggests some policy measures to minimize the current rate of rural-urban migration in the Garhwal Himalaya. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rural-urban%20migration" title="rural-urban migration">rural-urban migration</a>, <a href="https://publications.waset.org/abstracts/search?q=Garhwal%20Himalaya" title=" Garhwal Himalaya"> Garhwal Himalaya</a>, <a href="https://publications.waset.org/abstracts/search?q=patterns" title=" patterns"> patterns</a>, <a href="https://publications.waset.org/abstracts/search?q=determinants" title=" determinants"> determinants</a>, <a href="https://publications.waset.org/abstracts/search?q=implications" title=" implications"> implications</a> </p> <a href="https://publications.waset.org/abstracts/154891/patterns-determinants-and-implications-of-rural-urban-migration-in-the-garhwal-himalaya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/154891.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">129</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">11149</span> Tectonics of Out-of-Sequence Thrusting in Higher Himalaya- Example from Jhakri-Chaura-Sarahan Region, Himachal Pradesh</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rajkumar%20Ghosh">Rajkumar Ghosh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Out-of-Sequence Thrust (OOST) is a common phenomenon in collisional tectonic settings like the Himalayas. These OOSTs are activated in different locations at different time frames. These OOST are linked with the multiple Himalayan Thrusts. Apart from minimal documentation in geological mapping for OOST, there exists a lack of field data to establish OOST in the field. This work has considered three thrusts from NW Himalaya in Himachal Pradesh with published data from other sources, allowing a re-examination for correlation of OOST. For the Sutlej section, the approach has been to do fieldwork and microstructural studies. The information related to the cross-cut signature of S/C- and relative time relation could help to predict the nature of OOST. The activation timing, along with the basis of identification of OOST in Higher Himalayan, was documented in various literature. Compilation of the Grain Boundary Migration (GBM) associated temperature range (400–750 °C) was documented from microstructural studies along the Jhakri-Chaura section. No such significant temperature variation across thrusts was observed. Strain variation paths using S Ʌ C angle measurement were carried out along the Jeori-Wangtu transect to distinguish overprinting structures for OOSTs. Near the Chaura Thrust (CT), angular variation of S Ʌ C was documented, and it varies within a range of 15° - 28 °. Along the NH22 (National Highway, 22), all tectonic units of the orogen are exposed in NW Himalaya, INDIA. But there are inherent difficulties in finding field evidence of OOST, largely due to the lack of adequate surface morphology, including topography and drainage pattern. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=out-of-sequence%20thrust%20%28OOST%29" title="out-of-sequence thrust (OOST)">out-of-sequence thrust (OOST)</a>, <a href="https://publications.waset.org/abstracts/search?q=main%20central%20thrust%20%28MCT%29" title=" main central thrust (MCT)"> main central thrust (MCT)</a>, <a href="https://publications.waset.org/abstracts/search?q=south%20tibetan%20detachment%20system%20%28STDS%29" title=" south tibetan detachment system (STDS)"> south tibetan detachment system (STDS)</a>, <a href="https://publications.waset.org/abstracts/search?q=jhakri%20thrust%20%28JT%29" title=" jhakri thrust (JT)"> jhakri thrust (JT)</a>, <a href="https://publications.waset.org/abstracts/search?q=sarahan%20thrust%20%28ST%29" title=" sarahan thrust (ST)"> sarahan thrust (ST)</a>, <a href="https://publications.waset.org/abstracts/search?q=chaura%20thrust%20%28CT%29" title=" chaura thrust (CT)"> chaura thrust (CT)</a>, <a href="https://publications.waset.org/abstracts/search?q=higher%20himalaya%20%28HH%29" title=" higher himalaya (HH)"> higher himalaya (HH)</a>, <a href="https://publications.waset.org/abstracts/search?q=greater%20himalayan%20crystalline%20%28GHC%29" title=" greater himalayan crystalline (GHC)"> greater himalayan crystalline (GHC)</a> </p> <a href="https://publications.waset.org/abstracts/168649/tectonics-of-out-of-sequence-thrusting-in-higher-himalaya-example-from-jhakri-chaura-sarahan-region-himachal-pradesh" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168649.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">84</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">11148</span> Fractal Behaviour of Earthquake Sequences in Himalaya</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kamal">Kamal</a>, <a href="https://publications.waset.org/abstracts/search?q=Adil%20Ahmad"> Adil Ahmad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Earthquakes are among the most versatile natural and dynamic processes, and hence a fractal model is considered to be the best representative of the same. We present a novel method to process and analyse information hidden in earthquake sequences using Fractal Dimensions and Iterative Function Systems (IFS). Spatial and temporal variations in the fractal dimensions of seismicity observed around the Indian peninsula in last 30 years are studied. This was used as a possible precursor before large earthquakes in the region. IFS images for observed seismicity in the Himalayan belt were also obtained. We scan the whole data set and coarse grain of a selected window to reduce it to four bins. A critical analysis of four-cornered chaos-game clearly shows that the spatial variation in earthquake occurrences in Himalayan range is not random. Two subzones of Himalaya have a tendency to follow each other in time. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=earthquakes" title="earthquakes">earthquakes</a>, <a href="https://publications.waset.org/abstracts/search?q=fractals" title=" fractals"> fractals</a>, <a href="https://publications.waset.org/abstracts/search?q=Himalaya" title=" Himalaya"> Himalaya</a>, <a href="https://publications.waset.org/abstracts/search?q=iterated%20function%20systems" title=" iterated function systems "> iterated function systems </a> </p> <a href="https://publications.waset.org/abstracts/84637/fractal-behaviour-of-earthquake-sequences-in-himalaya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/84637.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">300</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">11147</span> Quantifying Late Cenozoic Out‐of‐Sequence Thrusting at Chaura, Sutlej Valley, Himachal Pradesh, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rajkumar%20Ghosh">Rajkumar Ghosh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Out-of-sequence thrusts (OOST) are reported at different geographic locations with various local names along Siwalik Himalaya (SH), Lesser Himalaya (LH), Higher Himalaya (HH) from Bhutan, India, Nepal, and Pakistan Himalayan range. Most of OOSTs have been identified within the upper LH, and the lower HH based on geochronological age jump across. These thrusts activated from Late Miocene to recent. The Chaura Thrust (CT) was deciphered from age jump of Apatite Fission Track (AFT) and considered as blind thrust base on variable exhumation rates in Chaura region, Satluj river valley, Himachal Pradesh. CT is located north of Jhakri Thrust (JhT) and is also differently identified as Sarahan thrust (ST). Structural documentation from the rocks near the OOST in Chaura was not so far done. Detail structural study of the Jeori Group of rocks was carried out in this study to understand the manifestation of the Chaura thrust and associated structures in meso- to micro-scale. Box fold, scar fold, kink fold, crenulation cleavages, and boudins are developed in the Chaura region. These structures usually do not indicate shear sense. When studied under an optical microscope, the Chaura samples reveal that the mica fish are usually lenticular with aspect ratio (R) varying from 6–11 and inclination angle (α) from 15–40°. According to ‘R’ and ‘α’, elongated sigmoid shaped mica fish and parallelogram shaped mica fish were also documented. Asymmetric mica fish demonstrate top-to-S/SW ductile shear, which is similar as that of Chaura thrust. Grain boundary migration (GBM) structures in quartzo-feldspathic grains from Jeori Group of rocks indicate deformation temperature ranging from 400 to 650°C. This can indicate that the OOST at Chaura, i.e., the Chaura Thrust, underwent thrusting in the ductile regime. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=out-of-sequence%20thrust" title="out-of-sequence thrust">out-of-sequence thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=chaura%20thrust" title=" chaura thrust"> chaura thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=sarahan%20thrust" title=" sarahan thrust"> sarahan thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=jakhri%20thrust" title=" jakhri thrust"> jakhri thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=higher%20himalaya" title=" higher himalaya"> higher himalaya</a>, <a href="https://publications.waset.org/abstracts/search?q=s%2Fc-%20fabric" title=" s/c- fabric"> s/c- fabric</a> </p> <a href="https://publications.waset.org/abstracts/168522/quantifying-late-cenozoic-outofsequence-thrusting-at-chaura-sutlej-valley-himachal-pradesh-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168522.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">78</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">11146</span> The Structural Analysis of Out-of-Sequence Thrust: Insights from Chaura Thrust of Higher Himalaya in Himachal Pradesh, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rajkumar%20Ghosh">Rajkumar Ghosh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper focuses on the structural analysis of Chaura Thrust in Himachal Pradesh, India. It investigates mylonitised zones under microscopic observation, characterizes the box fold and its signature in the regional geology of Himachal Himalaya, and documents the Higher Himalayan Out-of-Sequence Thrust (OOST) in the region. The study aims to provide field evidence and documentation for Chaura Thrust (CT), which was previously considered a blind thrust. The research methodology involves geological field observation, microscopic studies, and strain analysis of oriented samples collected along the Jhakri-Chaura transect. The study presents findings such as the activation ages of MCT and STDS, the identification of mylonitised zones and various types of crenulated schistosity, and the manifestation of box folds and OOST. The presence of meso- and micro-scale box folds around Chaura suggests structural upliftment, while kink folds and shear sense indicators were identified. The research highlights the importance of microscopic studies and contributes to the understanding of the structural analysis of CT and its implications in the regional geology of the Himachal Himalaya. Mylonitised zones with S-C fabric were observed under the microscope, along with dynamic and bulging recrystallization and sub-grain formation. Various types of crenulated schistosity were documented, including a rare case of crenulation cleavage and sigmoid Muscovite occurring together. The conclusions emphasize the non-blind nature of Chaura Thrust, the characterization of box folds, the activation timing of different thrusts, and the significance of microscopic observations. Jhakri/Chaura/Sarahan thrusts are the zone of tectonic imbrication that transport Higher Himalayan gneissic rock on Rampur Quartzite. The evidence of frequent earthquakes and landslides in the Jhakri region confirm the study of morphometric conclusion that there is considerable neo-tectonic activity along an active fault in the Sutlej river basin. The study also documents the presence of OOST in Himachal Pradesh and its potential impact on strain accumulation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Main%20Central%20Thrust" title="Main Central Thrust">Main Central Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Jhakri%20Thrust" title=" Jhakri Thrust"> Jhakri Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Chaura%20Thrust" title=" Chaura Thrust"> Chaura Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Higher%20Himalaya" title=" Higher Himalaya"> Higher Himalaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Out-of-Sequence%20Thrust" title=" Out-of-Sequence Thrust"> Out-of-Sequence Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarahan%20Thrust" title=" Sarahan Thrust"> Sarahan Thrust</a> </p> <a href="https://publications.waset.org/abstracts/168723/the-structural-analysis-of-out-of-sequence-thrust-insights-from-chaura-thrust-of-higher-himalaya-in-himachal-pradesh-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168723.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">11145</span> Enumerating Insect Biodiversity in the Himalayan Mountains of India in Context to Species Richness, Biogeographic Distribution, and Possible Gap Areas in Taxonomic Research</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kailash%20Chandra">Kailash Chandra</a>, <a href="https://publications.waset.org/abstracts/search?q=Devanshu%20Gupta"> Devanshu Gupta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Himalayan Mountains of India fall under two biogeographic zones Trans Himalaya (TH) and Himalaya and seven biotic provinces (TH-Ladakh Mountains, TH-Tibetan Plateau, TH-Sikkim, North-West Himalaya, West Himalaya, Central Himalaya, and East Himalaya). Because of the extreme environment and altitudinal variations, unique physiography, varied ecological conditions, and different vegetations, the Himalaya exhibit a rich assemblage of life, both flora, and fauna, further subjected to the impacts of climate change. To the authors’ best knowledge, there is no comprehensive account except for sporadic faunal investigations, to assess or interpret the insect diversity and their biogeographic distribution in Indian Himalaya (IH), one of the biodiversity hotspots. Therefore, in this paper, a compelling review of the extensive knowledge of insect diversity of IH is presented for the first time to the best of our knowledge. The inventory of the known insect species of IH was compiled from the exploration cum faunal-study data ready with the zoological survey of India, Kolkata as well as from the information published in the scientific literature till date. The species were listed with their valid names with their distribution in seven biotic provinces of IH. The insect fauna of IH represents about 38% of the identified insect diversity of India. The interpretation of data provided significant information in detecting possible gap areas in the taxonomic representation of different insect orders. Archaeognatha, Zygentoma, Ephemeroptera, Phasmida, Embioptera, Psocoptera, Phthiraptera, Strepsiptera, Megaloptera, Raphidioptera, Siphonaptera, and Mecoptera need revisions, and it is required to collect more samples from remote areas of the region. Scope for finding new taxa even in the most diverse orders, Coleoptera, Lepidoptera, Hymenoptera, Diptera, and Hemiptera cannot be overlooked. Exploration of cold deserts of Trans Himalaya and East Himalaya (Arunachal Pradesh) may result in a good number of new species from these regions. The most notable data was that many of the species recorded from Himalaya are still known from their type localities only, so there is an urgency to revisit and resurvey those collection localities for the evaluation of the status of those species. It is also required to assess and monitor the impact of climate change on the diversity of insects inhabiting in the fragile Himalayan ecosystem. DNA barcoding especially pests and biological control agents to solve the problems of identification in species complexes is also the need of the hour. In a nutshell, it can be concluded that the inventory of insects of this region is extensive but is far from final as every year hundreds of new species are described. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=catalog" title="catalog">catalog</a>, <a href="https://publications.waset.org/abstracts/search?q=climate%20change" title=" climate change"> climate change</a>, <a href="https://publications.waset.org/abstracts/search?q=diversity" title=" diversity"> diversity</a>, <a href="https://publications.waset.org/abstracts/search?q=DNA%20barcoding" title=" DNA barcoding"> DNA barcoding</a> </p> <a href="https://publications.waset.org/abstracts/92256/enumerating-insect-biodiversity-in-the-himalayan-mountains-of-india-in-context-to-species-richness-biogeographic-distribution-and-possible-gap-areas-in-taxonomic-research" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92256.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">215</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">11144</span> Nepal Himalaya: Status of Women, Politics, and Administration</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tulasi%20Acharya">Tulasi Acharya</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper is a qualitative analysis of status of women and women in politics and administration in Nepal Himalaya. The paper reviews data of women in civil service and in administrative levels. Looking at the Nepali politics and administration from the social constructivist perspective, the paper highlights some social and cultural issues that have othered women as “second sex.” As the country is heading towards modernity, gender friendly approaches are being instituted. Although the data reflects on the progress on women’s status and on women’s political and administrative participation, the data is not enough to predict the democratic gender practices in political and administrative levels. The political and administrative culture of Nepal Himalaya should be changed by promoting gender practices and deconstructing gender images in administrative culture through representative bureaucracy and by introducing democratic policies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=politics" title="politics">politics</a>, <a href="https://publications.waset.org/abstracts/search?q=policy" title=" policy"> policy</a>, <a href="https://publications.waset.org/abstracts/search?q=administration" title=" administration"> administration</a>, <a href="https://publications.waset.org/abstracts/search?q=culture" title=" culture"> culture</a>, <a href="https://publications.waset.org/abstracts/search?q=women" title=" women"> women</a>, <a href="https://publications.waset.org/abstracts/search?q=Nepal" title=" Nepal"> Nepal</a>, <a href="https://publications.waset.org/abstracts/search?q=democracy" title=" democracy"> democracy</a> </p> <a href="https://publications.waset.org/abstracts/29714/nepal-himalaya-status-of-women-politics-and-administration" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29714.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">537</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">11143</span> Eco-Environmental Vulnerability Evaluation in Mountain Regions Using Remote Sensing and Geographical Information System: A Case Study of Pasol Gad Watershed of Garhwal Himalaya, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Suresh%20Kumar%20Bandooni">Suresh Kumar Bandooni</a>, <a href="https://publications.waset.org/abstracts/search?q=Mirana%20Laishram"> Mirana Laishram</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Mid Himalaya of Garhwal Himalaya in Uttarakhand (India) has a complex Physiographic features withdiversified climatic conditions and therefore it is suspect to environmental vulnerability. Thenatural disasters and also anthropogenic activities accelerate the rate of environmental vulnerability. To analyse the environmental vulnerability, we have used geoinformatics technologies and numerical models and it is adoptedby using Spatial Principal Component Analysis (SPCA). The model consist of many factors such as slope, landuse/landcover, soil, forest fire risk, landslide susceptibility zone, human population density and vegetation index. From this model, the environmental vulnerability integrated index (EVSI) is calculated for Pasol Gad Watershed of Garhwal Himalaya for the years 1987, 2000, and 2013 and the Vulnerability is classified into five levelsi.e. Very low, low, medium, high and very highby means of cluster principle. The resultsforeco-environmental vulnerability distribution in study area shows that medium, high and very high levels are dominating in the area and it is mainly caused by the anthropogenic activities and natural disasters. Therefore, proper management forconservation of resources is utmost necessity of present century. It is strongly believed that participation at community level along with social worker, institutions and Non-governmental organization (NGOs) have become a must to conserve and protect the environment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=eco-environment%20vulnerability" title="eco-environment vulnerability">eco-environment vulnerability</a>, <a href="https://publications.waset.org/abstracts/search?q=spatial%20principal%20component%20analysis" title=" spatial principal component analysis"> spatial principal component analysis</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=geographic%20information%20system" title=" geographic information system"> geographic information system</a>, <a href="https://publications.waset.org/abstracts/search?q=institutions" title=" institutions"> institutions</a>, <a href="https://publications.waset.org/abstracts/search?q=Himalaya" title=" Himalaya"> Himalaya</a> </p> <a href="https://publications.waset.org/abstracts/80121/eco-environmental-vulnerability-evaluation-in-mountain-regions-using-remote-sensing-and-geographical-information-system-a-case-study-of-pasol-gad-watershed-of-garhwal-himalaya-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80121.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">262</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">11142</span> Cloudburst-Triggered Natural Hazards in Uttarakhand Himalaya: Mechanism, Prevention, and Mitigation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vishwambhar%20Prasad%20Sati">Vishwambhar Prasad Sati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article examines cloudburst-triggered natural hazards mainly flashfloods and landslides in the Uttarakhand Himalaya. It further describes mechanism and implications of natural hazards and illustrates the preventive and mitigation measures. We conducted this study through collection of archival data, case study of cloudburst hit areas, and rapid field visit of the affected regions. In the second week of August 2017, about 50 people died and huge losses to property were noticed due to cloudburst-triggered flashfloods. Our study shows that although cloudburst triggered hazards in the Uttarakhand Himalaya are natural phenomena and unavoidable yet, disasters can be minimized if preventive measures are taken up appropriately. We suggested that construction of human settlements, institutions and infrastructural facilities along the seasonal streams and the perennial rivers should be avoided to prevent disasters. Further, large-scale tree plantation on the degraded land will reduce the magnitude of hazards. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cloudburst" title="cloudburst">cloudburst</a>, <a href="https://publications.waset.org/abstracts/search?q=flash%20floods" title=" flash floods"> flash floods</a>, <a href="https://publications.waset.org/abstracts/search?q=landslides" title=" landslides"> landslides</a>, <a href="https://publications.waset.org/abstracts/search?q=fragile%20landscape" title=" fragile landscape"> fragile landscape</a> </p> <a href="https://publications.waset.org/abstracts/79629/cloudburst-triggered-natural-hazards-in-uttarakhand-himalaya-mechanism-prevention-and-mitigation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/79629.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">196</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">11141</span> Identification and Classification of Medicinal Plants of Indian Himalayan Region Using Hyperspectral Remote Sensing and Machine Learning Techniques</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kishor%20Chandra%20%20Kandpal">Kishor Chandra Kandpal</a>, <a href="https://publications.waset.org/abstracts/search?q=Amit%20%20Kumar"> Amit Kumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Indian Himalaya region harbours approximately 1748 plants of medicinal importance, and as per International Union for Conservation of Nature (IUCN), the 112 plant species among these are threatened and endangered. To ease the pressure on these plants, the government of India is encouraging its in-situ cultivation. The Saussurea costus, Valeriana jatamansi, and Picrorhiza kurroa have also been prioritized for large scale cultivation owing to their market demand, conservation value and medicinal properties. These species are found from 1000 m to 4000 m elevation ranges in the Indian Himalaya. Identification of these plants in the field requires taxonomic skills, which is one of the major bottleneck in the conservation and management of these plants. In recent years, Hyperspectral remote sensing techniques have been precisely used for the discrimination of plant species with the help of their unique spectral signatures. In this background, a spectral library of the above 03 medicinal plants was prepared by collecting the spectral data using a handheld spectroradiometer (325 to 1075 nm) from farmer’s fields of Himachal Pradesh and Uttarakhand states of Indian Himalaya. The Random forest (RF) model was implied on the spectral data for the classification of the medicinal plants. The 80:20 standard split ratio was followed for training and validation of the RF model, which resulted in training accuracy of 84.39 % (kappa coefficient = 0.72) and testing accuracy of 85.29 % (kappa coefficient = 0.77). This RF classifier has identified green (555 to 598 nm), red (605 nm), and near-infrared (725 to 840 nm) wavelength regions suitable for the discrimination of these species. The findings of this study have provided a technique for rapid and onsite identification of the above medicinal plants in the field. This will also be a key input for the classification of hyperspectral remote sensing images for mapping of these species in farmer’s field on a regional scale. This is a pioneer study in the Indian Himalaya region for medicinal plants in which the applicability of hyperspectral remote sensing has been explored. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=himalaya" title="himalaya">himalaya</a>, <a href="https://publications.waset.org/abstracts/search?q=hyperspectral%20remote%20sensing" title=" hyperspectral remote sensing"> hyperspectral remote sensing</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning%3B%20medicinal%20plants" title=" machine learning; medicinal plants"> machine learning; medicinal plants</a>, <a href="https://publications.waset.org/abstracts/search?q=random%20forests" title=" random forests"> random forests</a> </p> <a href="https://publications.waset.org/abstracts/136705/identification-and-classification-of-medicinal-plants-of-indian-himalayan-region-using-hyperspectral-remote-sensing-and-machine-learning-techniques" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/136705.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">203</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">11140</span> Structural Geology along the Jhakri-Wangtu Road (Jutogh Section) Himachal Pradesh, NW Higher Himalaya, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rajkumar%20Ghosh">Rajkumar Ghosh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper presents a comprehensive study of the structural analysis of the Chaura Thrust in Himachal Pradesh, India. The research focuses on several key aspects, including the activation timing of the Main Central Thrust (MCT) and the South Tibetan Detachment System (STDS), the identification and characterization of mylonitised zones through microscopic examination, and the understanding of box fold characteristics and their implications in the regional geology of the Himachal Himalaya. The primary objective of the study is to provide field documentation of the Chaura Thrust, which was previously considered a blind thrust with limited field evidence. Additionally, the research aims to characterize box folds and their signatures within the broader geological context of the Himachal Himalaya, document the temperature range associated with grain boundary migration (GBM), and explore the overprinting structures related to multiple sets of Higher Himalayan Out-of-Sequence Thrusts (OOSTs). The research methodology employed geological field observations and microscopic studies. Samples were collected along the Jhakri-Chaura transect at regular intervals of approximately 1 km to conduct strain analysis. Microstructural studies at the grain scale along the Jhakri-Wangtu transect were used to document the GBM-associated temperature range. The study reveals that the MCT activated in two parts, as did the STDS, and provides insights into the activation ages of the Main Boundary Thrust (MBT) and the Main Frontal Thrust (MFT). Under microscopic examination, the study identifies two mylonitised zones characterized by S-C fabric, and it documents dynamic and bulging recrystallization, as well as sub-grain formation. Various types of crenulated schistosity are observed in photomicrographs, including a rare occurrence where crenulation cleavage and sigmoid Muscovite are found juxtaposed. The study also notes the presence of S/SE-verging meso- and micro-scale box folds around Chaura, which may indicate structural upliftment. Kink folds near Chaura are visible, while asymmetric shear sense indicators in augen mylonite are predominantly observed under microscopic examination. Moreover, the research highlights the documentation of the Higher Himalayan Out-of-Sequence Thrust (OOST) in Himachal Pradesh, which activated the MCT and occurred within a zone south of the Main Central Thrust Upper (MCTU). The presence of multiple sets of OOSTs suggests a zigzag pattern of strain accumulation in the area. The study emphasizes the significance of understanding the overprinting structures associated with OOSTs. Overall, this study contributes to the understanding of the structural analysis of the Chaura Thrust and its implications in the regional geology of the Himachal Himalaya. The research underscores the importance of microscopic studies in identifying mylonitised zones and various types of crenulated schistosity. Additionally, the study documents the GBM-associated temperature range and provides insights into the activation of the Higher Himalayan Out-of-Sequence Thrust (OOST) in Himachal Pradesh. The findings of the study were obtained through geological field observations, microscopic studies, and strain analysis, offering valuable insights into the activation timing, mylonitization characteristics, and overprinting structures related to the Chaura Thrust and the broader tectonic framework of the region. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Main%20Central%20Thrust" title="Main Central Thrust">Main Central Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Jhakri%20Thrust" title=" Jhakri Thrust"> Jhakri Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Chaura%20Thrust" title=" Chaura Thrust"> Chaura Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Higher%20Himalaya" title=" Higher Himalaya"> Higher Himalaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Out-of-Sequence%20Thrust" title=" Out-of-Sequence Thrust"> Out-of-Sequence Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarahan%20Thrust" title=" Sarahan Thrust"> Sarahan Thrust</a> </p> <a href="https://publications.waset.org/abstracts/168721/structural-geology-along-the-jhakri-wangtu-road-jutogh-section-himachal-pradesh-nw-higher-himalaya-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168721.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">102</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">11139</span> A study on Structural analysis of Out-of-Sequence Thrust along Sutlej River Valley (Jhakri-Wangtu section) Himachal Pradesh Higher Himalaya, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rajkumar%20Ghosh">Rajkumar Ghosh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Sutlej River Valley in Himachal Pradesh, India, is home to four Out-of-Sequence Thrusts (OOST) in the Higher Himalaya. These OOSTs include Jhakri Thrust (JT), Sarahan Thrust (ST), Chaura Thrust (CT), and Jeori Dislocation (JD). The study focuses on the rock types of these OOSTs, including ductile sheared gneisses and upper greenschist-amphibolite facies metamorphosed schists. Microstructural tests reveal a progressive increase in strain approaching the Jakhri thrust zone, with temperatures increasing from 400 to 750°C. The Chaura Thrust is assumed to be folded with this anticlinorium, with various branches that make up the thrust system. Fieldwork and microstructural research have revealed the following: (a) initial top-to-SW sense of ductile shearing (Chaura thrust); (b) brittle-ductile extension (Jeori Dislocation); and (c) uniform top-to-SW sense of brittle shearing (Jhakri thrust). Samples of Rampur Quartzite from the Rampur Group of Lesser Himalayan Crystalline and schistose rock from the Jutogh Group of Greater Himalayan Crystalline were examined.The study emphasizes the value of microscopic research in detecting different types of crenulated schistosity and documenting mylonitized zones. The paper explains the field evidence for the OOST and comes to the conclusion that the Chaura Thrust is not a blind thrust. The paper describes the box fold and its characteristics in the Himachal Himalayan regional geology. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Out-of-sequence%20thrust%20%28OOST%29" title="Out-of-sequence thrust (OOST)">Out-of-sequence thrust (OOST)</a>, <a href="https://publications.waset.org/abstracts/search?q=jakhri%20thrust%20%28JT%29" title=" jakhri thrust (JT)"> jakhri thrust (JT)</a>, <a href="https://publications.waset.org/abstracts/search?q=sarahan%20thrust%20%28ST%29" title=" sarahan thrust (ST)"> sarahan thrust (ST)</a>, <a href="https://publications.waset.org/abstracts/search?q=chaura%20thrust%20%28CT%29" title=" chaura thrust (CT)"> chaura thrust (CT)</a>, <a href="https://publications.waset.org/abstracts/search?q=jeori%20dislocation%20%28JD%29" title=" jeori dislocation (JD)"> jeori dislocation (JD)</a> </p> <a href="https://publications.waset.org/abstracts/168729/a-study-on-structural-analysis-of-out-of-sequence-thrust-along-sutlej-river-valley-jhakri-wangtu-section-himachal-pradesh-higher-himalaya-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168729.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">11138</span> Tectonics of Out-of-Sequence Thrusting in NW Himachal Himalaya, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rajkumar%20Ghosh">Rajkumar Ghosh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Jhakri Thrust (JT), Sarahan Thrust (ST), and Chaura Thrust (CT) are the three OOST along Jakhri-Chaura segment along the Sutlej river valley in Himachal Pradesh. CT is deciphered only by Apatite Fission Track dating. Such geochronological information is not currently accessible for the Jhakri and Sarahan thrusts. JT was additionally validated as OOST without any dating. The described rock types include ductile sheared gneisses and upper greenschist-amphibolite facies metamorphosed schists. Locally, the Munsiari (Jutogh) Thrust is referred to as the JT. Brittle shear, the JT, borders the research area's southern and ductile shear, the CT, and its northern margins. The JT has a 50° western dip and is south-westward verging. It is 15–17 km deep. A progressive rise in strain towards the JT zone based on microstructural tests was observed by previous researchers. The high-temperature ranges of the MCT root zone are cited in the current work as supportive evidence for the ductile nature of the OOST. In Himachal Pradesh, the lithological boundaries for OOST are not set. In contrast, the Sarahan thrust is NW-SE striking and 50-80 m wide. ST and CT are probably equivalent and marked by a sheared biotite-chlorite matrix with a top-to-SE kinematic indicator. It is inferred from cross-section balancing that the CT is folded with this anticlinorium. These thrust systems consist of several branches, some of which are still active. The thrust system exhibits complex internal geometry consisting of box folds, boudins, scar folds, crenulation cleavages, kink folds, and tension gashes. Box folds are observed on the hanging wall of the Chaura thrust. The ductile signature of CT represents steepen downward of the thrust. After the STDSU stopped deformation, out-of-sequence thrust was initiated in some sections of the Higher Himalaya. A part of GHC and part of the LH is thrust southwestward along the Jutogh Thrust/Munsiari Thrust/JT as also the Jutogh Nappe. The CT is concealed beneath Jutogh Thrust sheet hence the basal part of GHC is unexposed to the surface in Sutlej River section. Fieldwork and micro-structural studies of the Greater Himalayan Crystalline (GHC) along the Sutlej section reveal (a) initial top-to-SW sense of ductile shearing (CT); (b) brittle-ductile extension (ST); and (c) uniform top-to-SW sense of brittle shearing (JT). A group of samples of schistose rock from Jutogh Group of Greater Himalayan Crystalline and Quartzite from Rampur Group of Lesser Himalayan Crystalline were analyzed. No such physiographic transition in that area is to determine a break in the landscape due to OOST. OOSTs from GHC are interpreted mainly from geochronological studies to date, but proper field evidence is missing. Apart from minimal documentation in geological mapping for OOST, there exists a lack of suitable exposure of rock to generalize the features of OOST in the field in NW Higher Himalaya. Multiple sets of thrust planes may be activated within this zone or a zone along which OOST is engaged. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=out-of-sequence%20thrust" title="out-of-sequence thrust">out-of-sequence thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=main%20central%20thrust" title=" main central thrust"> main central thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=grain%20boundary%20migration" title=" grain boundary migration"> grain boundary migration</a>, <a href="https://publications.waset.org/abstracts/search?q=South%20Tibetan%20detachment%20system" title=" South Tibetan detachment system"> South Tibetan detachment system</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakhri%20Thrust" title=" Jakhri Thrust"> Jakhri Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarahan%20Thrust" title=" Sarahan Thrust"> Sarahan Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Chaura%20Thrust" title=" Chaura Thrust"> Chaura Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=higher%20Himalaya" title=" higher Himalaya"> higher Himalaya</a>, <a href="https://publications.waset.org/abstracts/search?q=greater%20Himalayan%20crystalline" title=" greater Himalayan crystalline"> greater Himalayan crystalline</a> </p> <a href="https://publications.waset.org/abstracts/168640/tectonics-of-out-of-sequence-thrusting-in-nw-himachal-himalaya-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168640.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">71</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">11137</span> Analogy in Microclimatic Parameters, Chemometric and Phytonutrient Profiles of Cultivated and Wild Ecotypes of Origanum vulgare L., across Kashmir Himalaya</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sumira%20Jan">Sumira Jan</a>, <a href="https://publications.waset.org/abstracts/search?q=Javid%20Iqbal%20Mir"> Javid Iqbal Mir</a>, <a href="https://publications.waset.org/abstracts/search?q=Desh%20Beer%20Singh"> Desh Beer Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Anil%20Sharma"> Anil Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Shafia%20Zaffar%20Faktoo"> Shafia Zaffar Faktoo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background and Aims: Climatic and edaphic factors immensely influence crop quality and proper development. Regardless of economic potential, Himalayan Oregano has not subjected to phytonutrient and chemometric evaluation and its relationship with environmental conditions are scarce. The central objective of this research was to investigate microclimatic variation among wild and cultivated populations located in a microclimatic gradient in north-western Himalaya, Kashmir and analyse if such disparity was related with diverse climatic and edaphic conditions. Methods: Micrometeorological, Atomic absorption spectroscopy for micro elemental analysis was carried for soil. HPLC was carried out to estimate variation in phytonutrients and phytochemicals. Results: Geographic variation in phytonutrient was observed among cultivated and wild populations and among populations diverse within regions. Cultivated populations exhibited comparatively lesser phytonutrient value than wild populations. Moreover, our results observed higher vegetative growth of O. vulgare L. with higher pH (6-7), elevated organic carbon (2.42%), high nitrogen (97.41Kg/ha) and manganese (10-12ppm) and zinc contents (0.39-0.50) produce higher phytonutrients. HPLC data of phytonutrients like quercetin, betacarotene, ascorbic acid, arbutin and catechin revealed direct relationship with UV-B flux (r2=0.82), potassium (r2=0.97) displaying parallel relationship with phytonutrient value. Conclusions: Catechin was found as predominant phytonutrient among all populations with maximum accumulation of 163.8 ppm while as quercetin exhibited lesser value. Maximum arbutin (53.42ppm) and quercetin (2.87ppm) accumulated in plants thriving under intense and high UV-B flux. Minimum variation was demonstrated by beta carotene and ascorbic acid. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=phytonutrient" title="phytonutrient">phytonutrient</a>, <a href="https://publications.waset.org/abstracts/search?q=ascorbic%20acid" title=" ascorbic acid"> ascorbic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=beta%20carotene" title=" beta carotene"> beta carotene</a>, <a href="https://publications.waset.org/abstracts/search?q=quercetin" title=" quercetin"> quercetin</a>, <a href="https://publications.waset.org/abstracts/search?q=catechin" title=" catechin"> catechin</a> </p> <a href="https://publications.waset.org/abstracts/72171/analogy-in-microclimatic-parameters-chemometric-and-phytonutrient-profiles-of-cultivated-and-wild-ecotypes-of-origanum-vulgare-l-across-kashmir-himalaya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72171.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">268</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">11136</span> Future Projection of Glacial Lake Outburst Floods Hazard: A Hydrodynamic Study of the Highest Lake in the Dhauliganga Basin, Uttarakhand</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ashim%20Sattar">Ashim Sattar</a>, <a href="https://publications.waset.org/abstracts/search?q=Ajanta%20Goswami"> Ajanta Goswami</a>, <a href="https://publications.waset.org/abstracts/search?q=Anil%20V.%20Kulkarni"> Anil V. Kulkarni</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Glacial lake outburst floods (GLOF) highly contributes to mountain hazards in the Himalaya. Over the past decade, high altitude lakes in the Himalaya has been showing notable growth in their size and number. The key reason is rapid retreat of its glacier front. Hydrodynamic modeling GLOF using shallow water equations (SWE) would result in understanding its impact in the downstream region. The present study incorporates remote sensing based ice thickness modeling to determine the future extent of the Dhauliganga Lake to map the over deepening extent around the highest lake in the Dhauliganga basin. The maximum future volume of the lake calculated using area-volume scaling is used to model a GLOF event. The GLOF hydrograph is routed along the channel using one dimensional and two dimensional model to understand the flood wave propagation till it reaches the 1st hydropower station located 72 km downstream of the lake. The present extent of the lake calculated using SENTINEL 2 images is 0.13 km². The maximum future extent of the lake, mapped by investigating the glacier bed has a calculated scaled volume of 3.48 x 106 m³. The GLOF modeling releasing the future volume of the lake resulted in a breach hydrograph with a peak flood of 4995 m³/s at just downstream of the lake. Hydraulic routing <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=GLOF" title="GLOF">GLOF</a>, <a href="https://publications.waset.org/abstracts/search?q=glacial%20lake%20outburst%20floods" title=" glacial lake outburst floods"> glacial lake outburst floods</a>, <a href="https://publications.waset.org/abstracts/search?q=mountain%20hazard" title=" mountain hazard"> mountain hazard</a>, <a href="https://publications.waset.org/abstracts/search?q=Central%20Himalaya" title=" Central Himalaya"> Central Himalaya</a>, <a href="https://publications.waset.org/abstracts/search?q=future%20projection" title=" future projection"> future projection</a> </p> <a href="https://publications.waset.org/abstracts/100177/future-projection-of-glacial-lake-outburst-floods-hazard-a-hydrodynamic-study-of-the-highest-lake-in-the-dhauliganga-basin-uttarakhand" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/100177.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">162</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">11135</span> Landslide Vulnerability Assessment in Context with Indian Himalayan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Neha%20Gupta">Neha Gupta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Landslide vulnerability is considered as the crucial parameter for the assessment of landslide risk. The term vulnerability defined as the damage or degree of elements at risk of different dimensions, i.e., physical, social, economic, and environmental dimensions. Himalaya region is very prone to multi-hazard such as floods, forest fires, earthquakes, and landslides. With the increases in fatalities rates, loss of infrastructure, and economy due to landslide in the Himalaya region, leads to the assessment of vulnerability. In this study, a methodology to measure the combination of vulnerability dimension, i.e., social vulnerability, physical vulnerability, and environmental vulnerability in one framework. A combined result of these vulnerabilities has rarely been carried out. But no such approach was applied in the Indian Scenario. The methodology was applied in an area of east Sikkim Himalaya, India. The physical vulnerability comprises of building footprint layer extracted from remote sensing data and Google Earth imaginary. The social vulnerability was assessed by using population density based on land use. The land use map was derived from a high-resolution satellite image, and for environment vulnerability assessment NDVI, forest, agriculture land, distance from the river were assessed from remote sensing and DEM. The classes of social vulnerability, physical vulnerability, and environment vulnerability were normalized at the scale of 0 (no loss) to 1 (loss) to get the homogenous dataset. Then the Multi-Criteria Analysis (MCA) was used to assign individual weights to each dimension and then integrate it into one frame. The final vulnerability was further classified into four classes from very low to very high. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=landslide" title="landslide">landslide</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-criteria%20analysis" title=" multi-criteria analysis"> multi-criteria analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=MCA" title=" MCA"> MCA</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20vulnerability" title=" physical vulnerability"> physical vulnerability</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20vulnerability" title=" social vulnerability"> social vulnerability</a> </p> <a href="https://publications.waset.org/abstracts/128930/landslide-vulnerability-assessment-in-context-with-indian-himalayan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/128930.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">11134</span> Ethno-Botanical Diversity and Conservation Status of Medicinal Flora at High Terrains of Garhwal (Uttarakhand) Himalaya, India: A Case Study in Context to Multifarious Tourism Growth and Peri-Urban Encroachments</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aravind%20Kumar">Aravind Kumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The high terrains of Garhwal (Uttarakhand) Himalaya are the niches of a number of rare and endemic plant species of great therapeutic importance. However, the wild flora of the area is still under a constant threat due to rapid upsurge in human interferences, especially through multifarious tourism growth and peri-urban encroachments. After getting the status of a ‘Special State’ of the country since its inception in the year 2000, this newly borne State led to very rapid infrastructural growth and development. Consequently, its townships started expanding in an unmanaged way grabbing nearby agricultural lands and forest areas into peri-urban landscapes. Simultaneously, a boom in tourism and pilgrimage in the state and the infrastructural facilities raised by the government for tourists/pilgrims are destroying its biodiversity. Field survey revealed 242 plant species of therapeutic significance naturally growing in the area and being utilized by local inhabitants as traditional medicines. On conservation scale, 6 species (2.2%) were identified as critically endangered, 19 species (7.1%) as the endangered ones, 8 species <em>(</em>3.0%) under rare category, 17 species (6.4%) as threatened and 14 species (5.2%) as vulnerable. The Government of India has brought mega-biodiversity hot spots of the state under Biosphere Reserve, National Parks, etc. restricting all kinds of human interferences; however, the two most sacred shrines of Hindus and Sikhs viz. Shri Badrinath and Shri Hemkunt Sahib, and two great touristic attractions <em>viz. </em>Valley of Flowers and Auli-Joshimath Skiing Track oblige the government to maintain equilibrium between entries of visitors <em>vis-à-vis </em>biodiversity conservation in high terrains of Uttarakhand Himalaya. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodiversity%20conservation" title="biodiversity conservation">biodiversity conservation</a>, <a href="https://publications.waset.org/abstracts/search?q=ethno-botany" title=" ethno-botany"> ethno-botany</a>, <a href="https://publications.waset.org/abstracts/search?q=Garhwal%20%28Uttarakhand%29%20Himalaya" title=" Garhwal (Uttarakhand) Himalaya"> Garhwal (Uttarakhand) Himalaya</a>, <a href="https://publications.waset.org/abstracts/search?q=peri-urban%20encroachment" title=" peri-urban encroachment"> peri-urban encroachment</a>, <a href="https://publications.waset.org/abstracts/search?q=pilgrimage%20and%20tourism" title=" pilgrimage and tourism"> pilgrimage and tourism</a> </p> <a href="https://publications.waset.org/abstracts/56982/ethno-botanical-diversity-and-conservation-status-of-medicinal-flora-at-high-terrains-of-garhwal-uttarakhand-himalaya-india-a-case-study-in-context-to-multifarious-tourism-growth-and-peri-urban-encroachments" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56982.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">227</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">11133</span> Diversity and Distribution of Butterflies (Lepidoptera-Rhopalocera) along with Altitudinal Gradient and Vegetation Types at Lahoul Valley, Trans-Himalaya Region, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saveena%20Bogtapa">Saveena Bogtapa</a>, <a href="https://publications.waset.org/abstracts/search?q=Jagbir%20Singh%20Kirti"> Jagbir Singh Kirti</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Himalaya is one of the most fascinating ranges in the world. In India, it comprises 18 percent of the land area. Lahoul valley which is a part of Trans-Himalaya region is well known for its unique, diverse flora and fauna. It lies in the North-Eastern corner of the state Himachal Pradesh where its altitude ranges between 2500m to 5000m. Vegetation of this region is dry-temperate to alpine type. The diversity of the area is very less, rare, unique and highly endemic. But today, as a lot of environmental degradation has taken place in this hot spot of biodiversity because of frequent developmental and commercial activities which lead to the diversity of this area comes under a real threat. Therefore, as part of the research, butterflies which are known for their attractiveness as well as usefulness to the ecosystem, are used for the study. The diversity of butterflies of a particular area not only provides a healthy environment but also serves as the first step of conservation to the biodiversity. Their distribution in different habitats and altitude type helps us to understand the species richness and abundance in an area. Moreover, different environmental parameters which affect the butterfly community has also recorded. Hence, the present study documents the butterfly diversity in an unexplored habitat and altitude types at Lahoul valley. The valley has been surveyed along with altitudinal gradients (from 2500m to 4500m) and in various habitats like agriculture land, grassland, scrubland, riverine and in different types of forests. Very rare species of butterflies have been explored, and these will be discussed along with different parameters during the presentation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=butterflies" title="butterflies">butterflies</a>, <a href="https://publications.waset.org/abstracts/search?q=diversity" title=" diversity"> diversity</a>, <a href="https://publications.waset.org/abstracts/search?q=Lahoul%20valley" title=" Lahoul valley"> Lahoul valley</a>, <a href="https://publications.waset.org/abstracts/search?q=altitude" title=" altitude"> altitude</a>, <a href="https://publications.waset.org/abstracts/search?q=vegetation" title=" vegetation"> vegetation</a> </p> <a href="https://publications.waset.org/abstracts/71413/diversity-and-distribution-of-butterflies-lepidoptera-rhopalocera-along-with-altitudinal-gradient-and-vegetation-types-at-lahoul-valley-trans-himalaya-region-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71413.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">246</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">11132</span> Hydro-Chemical Characterization of Glacial Melt Waters Draining from Shaune Garang Glacier, Himachal Himalaya</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ramesh%20Kumar">Ramesh Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Rajesh%20Kumar"> Rajesh Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Shaktiman%20Singh"> Shaktiman Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Atar%20Singh"> Atar Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Anshuman%20Bhardwaj"> Anshuman Bhardwaj</a>, <a href="https://publications.waset.org/abstracts/search?q=Ravindra%20Kumar%20Sinha"> Ravindra Kumar Sinha</a>, <a href="https://publications.waset.org/abstracts/search?q=Anupma%20Kumari"> Anupma Kumari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A detailed study of the ion chemistry of the Shaune Garnag glacier meltwater has been carried out to assess the role of active glacier in the chemical denudation rate. The chemical compositions of various ions in meltwater of the Shaune Garang glacier were analyzed during the melting period 2015 and 2016. Total 112 of melt water samples twice in a day were collected during ablation season of 2015 and 2016. To identify various factors controlling the dissolved ionic strength of Shaune Garang Glacier meltwater statistical analysis such as correlation matrix, Principle Component Analysis (PCA) and factor analysis were applied to deduce the result. Cation concentration for Ca²⁺ > Mg²⁺ > Na⁺ > K⁺ in the meltwater for both the years can be arranged in the order as Ca²⁺ > Mg²⁺ > Na⁺ > K⁺. Study showed that Ca²⁺ and HCO₃⁻ found to be dominant on the both melting period. Carbonate weathering identified as the dominant process controlling the dissolved ion chemistry of meltwater due to the high ratios of (Ca²⁺ + Mg²⁺) versus TZ+ and (Ca²⁺ + Mg²⁺) versus (Na⁺ + K⁺) in the study area. The cation denudation rate of the Shaune Garnag catchment is 3412.2 m⁻² a⁻¹, i.e. higher than the other glacierised catchment in the Himalaya, indicating intense chemical erosion in this catchment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shaune%20Garang%20glacier" title="Shaune Garang glacier">Shaune Garang glacier</a>, <a href="https://publications.waset.org/abstracts/search?q=Hydrochemistry" title=" Hydrochemistry"> Hydrochemistry</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20composition" title=" chemical composition"> chemical composition</a>, <a href="https://publications.waset.org/abstracts/search?q=cation%20denudation%20rate" title=" cation denudation rate"> cation denudation rate</a>, <a href="https://publications.waset.org/abstracts/search?q=carbonate%20weathering" title=" carbonate weathering"> carbonate weathering</a> </p> <a href="https://publications.waset.org/abstracts/73612/hydro-chemical-characterization-of-glacial-melt-waters-draining-from-shaune-garang-glacier-himachal-himalaya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73612.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">376</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">11131</span> Groundwater Potential Mapping using Frequency Ratio and Shannon’s Entropy Models in Lesser Himalaya Zone, Nepal</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yagya%20Murti%20Aryal">Yagya Murti Aryal</a>, <a href="https://publications.waset.org/abstracts/search?q=Bipin%20Adhikari"> Bipin Adhikari</a>, <a href="https://publications.waset.org/abstracts/search?q=Pradeep%20Gyawali"> Pradeep Gyawali</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Lesser Himalaya zone of Nepal consists of thrusting and folding belts, which play an important role in the sustainable management of groundwater in the Himalayan regions. The study area is located in the Dolakha and Ramechhap Districts of Bagmati Province, Nepal. Geologically, these districts are situated in the Lesser Himalayas and partly encompass the Higher Himalayan rock sequence, which includes low-grade to high-grade metamorphic rocks. Following the Gorkha Earthquake in 2015, numerous springs dried up, and many others are currently experiencing depletion due to the distortion of the natural groundwater flow. The primary objective of this study is to identify potential groundwater areas and determine suitable sites for artificial groundwater recharge. Two distinct statistical approaches were used to develop models: The Frequency Ratio (FR) and Shannon Entropy (SE) methods. The study utilized both primary and secondary datasets and incorporated significant role and controlling factors derived from field works and literature reviews. Field data collection involved spring inventory, soil analysis, lithology assessment, and hydro-geomorphology study. Additionally, slope, aspect, drainage density, and lineament density were extracted from a Digital Elevation Model (DEM) using GIS and transformed into thematic layers. For training and validation, 114 springs were divided into a 70/30 ratio, with an equal number of non-spring pixels. After assigning weights to each class based on the two proposed models, a groundwater potential map was generated using GIS, classifying the area into five levels: very low, low, moderate, high, and very high. The model's outcome reveals that over 41% of the area falls into the low and very low potential categories, while only 30% of the area demonstrates a high probability of groundwater potential. To evaluate model performance, accuracy was assessed using the Area under the Curve (AUC). The success rate AUC values for the FR and SE methods were determined to be 78.73% and 77.09%, respectively. Additionally, the prediction rate AUC values for the FR and SE methods were calculated as 76.31% and 74.08%. The results indicate that the FR model exhibits greater prediction capability compared to the SE model in this case study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=groundwater%20potential%20mapping" title="groundwater potential mapping">groundwater potential mapping</a>, <a href="https://publications.waset.org/abstracts/search?q=frequency%20ratio" title=" frequency ratio"> frequency ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=Shannon%E2%80%99s%20Entropy" title=" Shannon’s Entropy"> Shannon’s Entropy</a>, <a href="https://publications.waset.org/abstracts/search?q=Lesser%20Himalaya%20Zone" title=" Lesser Himalaya Zone"> Lesser Himalaya Zone</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20groundwater%20management" title=" sustainable groundwater management"> sustainable groundwater management</a> </p> <a href="https://publications.waset.org/abstracts/172684/groundwater-potential-mapping-using-frequency-ratio-and-shannons-entropy-models-in-lesser-himalaya-zone-nepal" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172684.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">11130</span> Determination of Crustal Structure and Moho Depth within the Jammu and Kashmir Region, Northwest Himalaya through Receiver Function</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shiv%20Jyoti%20Pandey">Shiv Jyoti Pandey</a>, <a href="https://publications.waset.org/abstracts/search?q=Shveta%20Puri"> Shveta Puri</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20M.%20Bhat"> G. M. Bhat</a>, <a href="https://publications.waset.org/abstracts/search?q=Neha%20Raina"> Neha Raina</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Jammu and Kashmir (J&K) region of Northwest Himalaya has a long history of earthquake activity which falls within Seismic Zones IV and V. To know the crustal structure beneath this region, we utilized teleseismic receiver function method. This paper presents the results of the analyses of the teleseismic earthquake waves recorded by 10 seismic observatories installed in the vicinity of major thrusts and faults. The teleseismic waves at epicentral distance between 30o and 90o with moment magnitudes greater than or equal to 5.5 that contains large amount of information about the crust and upper mantle structure directly beneath a receiver has been used. The receiver function (RF) technique has been widely applied to investigate crustal structures using P-to-S converted (Ps) phases from velocity discontinuities. The arrival time of the Ps, PpPs and PpSs+ PsPs converted and reverberated phases from the Moho can be combined to constrain the mean crustal thickness and Vp/Vs ratio. Over 500 receiver functions from 10 broadband stations located in the Jammu & Kashmir region of Northwest Himalaya were analyzed. With the help of H-K stacking method, we determined the crustal thickness (H) and average crustal Vp/Vs ratio (K) in this region. We also used Neighbourhood algorithm technique to verify our results. The receiver function results for these stations show that the crustal thickness under Jammu & Kashmir ranges from 45.0 to 53.6 km with an average value of 50.01 km. The Vp/Vs ratio varies from 1.63 to 1.99 with an average value of 1.784 which corresponds to an average Poisson’s ratio of 0.266 with a range from 0.198 to 0.331. High Poisson’s ratios under some stations may be related to partial melting in the crust near the uppermost mantle. The crustal structure model developed from this study can be used to refine the velocity model used in the precise epicenter location in the region, thereby increasing the knowledge to understand current seismicity in the region. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=H-K%20stacking" title="H-K stacking">H-K stacking</a>, <a href="https://publications.waset.org/abstracts/search?q=Poisson%E2%80%99s%20ratios" title=" Poisson’s ratios"> Poisson’s ratios</a>, <a href="https://publications.waset.org/abstracts/search?q=receiver%20function" title=" receiver function"> receiver function</a>, <a href="https://publications.waset.org/abstracts/search?q=teleseismic" title=" teleseismic"> teleseismic</a> </p> <a href="https://publications.waset.org/abstracts/60687/determination-of-crustal-structure-and-moho-depth-within-the-jammu-and-kashmir-region-northwest-himalaya-through-receiver-function" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60687.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">248</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">11129</span> Geological and Geotechnical Approach for Stabilization of Cut-Slopes in Power House Area of Luhri HEP Stage-I (210 MW), India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20P.%20Bansal">S. P. Bansal</a>, <a href="https://publications.waset.org/abstracts/search?q=Mukesh%20Kumar%20Sharma"> Mukesh Kumar Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Ankit%20Prabhakar"> Ankit Prabhakar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Luhri Hydroelectric Project Stage-I (210 MW) is a run of the river type development with a dam toe surface powerhouse (122m long, 50.50m wide, and 65.50m high) on the right bank of river Satluj in Himachal Pradesh, India. The project is located in the inner lesser Himalaya between Dhauladhar Range in the south and higher Himalaya in the north in the seismically active region. At the project, the location river is confined within narrow V-shaped valleys with little or no flat areas close to the river bed. Nearly 120m high cut slopes behind the powerhouse are proposed from the powerhouse foundation level of 795m to ± 915m to accommodate the surface powerhouse. The stability of 120m high cut slopes is a prime concern for the reason of risk involved. The slopes behind the powerhouse will be excavated in mainly in augen gneiss, fresh to weathered in nature, and biotite rich at places. The foliation joints are favorable and dipping inside the hill. Two valleys dipping steeper joints will be encountered on the slopes, which can cause instability during excavation. Geological exploration plays a vital role in designing and optimization of cut slopes. SWEDGE software has been used to analyze the geometry and stability of surface wedges in cut slopes. The slopes behind powerhouse have been analyzed in three zones for stability analysis by providing a break in the continuity of cut slopes, which shall provide quite substantial relief for slope stabilization measure. Pseudo static analysis has been carried out for the stabilization of wedges. The results indicate that many large wedges are forming, which have a factor of safety less than 1. The stability measures (support system, bench width, slopes) have been planned so that no wedge failure may occur in the future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cut%20slopes" title="cut slopes">cut slopes</a>, <a href="https://publications.waset.org/abstracts/search?q=geotechnical%20investigations" title=" geotechnical investigations"> geotechnical investigations</a>, <a href="https://publications.waset.org/abstracts/search?q=Himalayan%20geology" title=" Himalayan geology"> Himalayan geology</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20powerhouse" title=" surface powerhouse"> surface powerhouse</a>, <a href="https://publications.waset.org/abstracts/search?q=wedge%20failure" title=" wedge failure"> wedge failure</a> </p> <a href="https://publications.waset.org/abstracts/116777/geological-and-geotechnical-approach-for-stabilization-of-cut-slopes-in-power-house-area-of-luhri-hep-stage-i-210-mw-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/116777.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">117</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">11128</span> Sources of Precipitation and Hydrograph Components of the Sutri Dhaka Glacier, Western Himalaya</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ajit%20Singh">Ajit Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Waliur%20Rahaman"> Waliur Rahaman</a>, <a href="https://publications.waset.org/abstracts/search?q=Parmanand%20Sharma"> Parmanand Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Laluraj%20C.%20M."> Laluraj C. M.</a>, <a href="https://publications.waset.org/abstracts/search?q=Lavkush%20Patel"> Lavkush Patel</a>, <a href="https://publications.waset.org/abstracts/search?q=Bhanu%20Pratap"> Bhanu Pratap</a>, <a href="https://publications.waset.org/abstracts/search?q=Vinay%20Kumar%20Gaddam"> Vinay Kumar Gaddam</a>, <a href="https://publications.waset.org/abstracts/search?q=Meloth%20Thamban"> Meloth Thamban</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Himalayan glaciers are the potential source of perennial water supply to Asia’s major river systems like the Ganga, Brahmaputra and the Indus. In order to improve our understanding about the source of precipitation and hydrograph components in the interior Himalayan glaciers, it is important to decipher the sources of moisture and their contribution to the glaciers in this river system. In doing so, we conducted an extensive pilot study in a Sutri Dhaka glacier, western Himalaya during 2014-15. To determine the moisture sources, rain, surface snow, ice, and stream meltwater samples were collected and analyzed for stable oxygen (δ¹⁸O) and hydrogen (δD) isotopes. A two-component hydrograph separation was performed for the glacier stream using these isotopes assuming the contribution of rain, groundwater and spring water contribution is negligible based on field studies and available literature. To validate the results obtained from hydrograph separation using above method, snow and ice melt ablation were measured using a network of bamboo stakes and snow pits. The δ¹⁸O and δD in rain samples range from -5.3% to -20.8% and -31.7% to -148.4% respectively. It is noteworthy to observe that the rain samples showed enriched values in the early season (July-August) and progressively get depleted at the end of the season (September). This could be due to the ‘amount effect’. Similarly, old snow samples have shown enriched isotopic values compared to fresh snow. This could because of the sublimation processes operating over the old surface snow. The δ¹⁸O and δD values in glacier ice samples range from -11.6% to -15.7% and -31.7% to -148.4%, whereas in a Sutri Dhaka meltwater stream, it ranges from -12.7% to -16.2% and -82.9% to -112.7% respectively. The mean deuterium excess (d-excess) value in all collected samples exceeds more than 16% which suggests the predominant moisture source of precipitation is from the Western Disturbances. Our detailed estimates of the hydrograph separation of Sutri Dhaka meltwater using isotope hydrograph separation and glaciological field methods agree within their uncertainty; stream meltwater budget is dominated by glaciers ice melt over snowmelt. The present study provides insights into the sources of moisture, controlling mechanism of the isotopic characteristics of Sutri Dhaka glacier water and helps in understanding the snow and ice melt components in Chandra basin, Western Himalaya. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=D-excess" title="D-excess">D-excess</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrograph%20separation" title=" hydrograph separation"> hydrograph separation</a>, <a href="https://publications.waset.org/abstracts/search?q=Sutri%20Dhaka" title=" Sutri Dhaka"> Sutri Dhaka</a>, <a href="https://publications.waset.org/abstracts/search?q=stable%20water%20isotope" title=" stable water isotope"> stable water isotope</a>, <a href="https://publications.waset.org/abstracts/search?q=western%20Himalaya" title=" western Himalaya"> western Himalaya</a> </p> <a href="https://publications.waset.org/abstracts/89346/sources-of-precipitation-and-hydrograph-components-of-the-sutri-dhaka-glacier-western-himalaya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/89346.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">152</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">11127</span> Meso-Scopic Structural Analysis of Chaura Thrust, Himachal Pradesh, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rajkumar%20Ghosh">Rajkumar Ghosh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Jhakri Thrust (JT) coeval of Sarahan Thrust (ST) was later considered to be part of Chaura Thrust (CT). The Main Central Thrust (MCT) delimits the southern extreme of Higher Himalaya, whereas the northern boundary defines by South Tibetan Detachment System (STDS). STDS is parallel set of north dipping extensional faults. The activation timing of MCT and STDS. MCT activated in two parts (MCT-L during 15- 0.7 Ma, and MCT-U during 25-14 Ma). Similarly, STDS triggered in two parts (STDS-L during 24-12 Ma, and STDS-U during 19-14 Ma). The activation ages for MBT and MFT. Besides, the MBT occurred during 11-9 Ma, and MFT followed as <2.5 Ma. There are two mylonitised zones (zone of S-C fabric) found under the microscope. Dynamic and bulging recrystallization and sub-grain formation was documented under the optical microscope from samples collected from these zones. The varieties of crenulated schistosity are shown in photomicrographs. In a rare and uncommon case, crenulation cleavage and sigmoid Muscovite were found together side-by-side. Recrystallized quartzo-feldspathic grains exist in between crenulation cleavages. These thin-section studies allow three possible hypotheses for such variations in crenulation cleavages. S/SE verging meso- and micro-scale box folds around Chaura might be a manifestation of some structural upliftment. Near Chaura, kink folds are visible. Prominent asymmetric shear sense indicators in augen mylonite are missing in meso-scale but dominantly present under the microscope. The main foliation became steepest (range of dip ~ 65 – 80 º) at this place. The aim of this section is to characterize the box fold and its signature in the regional geology of Himachal Himalaya. Grain Boundary Migration (GBM) associated temperature range (400–750 ºC) from microstructural studies in grain scale along Jhakri-Wangtu transect documented. Oriented samples were collected from the Jhakri-Chaura transect at a regular interval of ~ 1km for strain analysis. The Higher Himalayan Out-of-Sequence Thrust (OOST) in Himachal Pradesh is documented a decade ago. The OOST in other parts of the Himalayas is represented as a line in between MCTL and MCTU. But In Himachal Pradesh area, OOST activated the MCTL as well as in between a zone located south of MCTU. The expectations for strain variation near the OOST are very obvious. But multiple sets of OOSTs may produce a zigzag pattern of strain accumulation for this area and figure out the overprinting structures for multiple sets of OOSTs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chaura%20Thrust" title="Chaura Thrust">Chaura Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=out-of-sequence%20thrust" title=" out-of-sequence thrust"> out-of-sequence thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Main%20Central%20Thrust" title=" Main Central Thrust"> Main Central Thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarahan%20Thrust" title=" Sarahan Thrust"> Sarahan Thrust</a> </p> <a href="https://publications.waset.org/abstracts/168651/meso-scopic-structural-analysis-of-chaura-thrust-himachal-pradesh-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168651.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">78</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">11126</span> Governance of Climate Adaptation Through Artificial Glacier Technology: Lessons Learnt from Leh (Ladakh, India) In North-West Himalaya</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ishita%20Singh">Ishita Singh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Social-dimension of Climate Change is no longer peripheral to Science, Technology and Innovation (STI). Indeed, STI is being mobilized to address small farmers’ vulnerability and adaptation to Climate Change. The experiences from the cold desert of Leh (Ladakh) in North-West Himalaya illustrate the potential of STI to address the challenges of Climate Change and the needs of small farmers through the use of Artificial Glacier Techniques. Small farmers have a unique technique of water harvesting to augment irrigation, called “Artificial Glaciers” - an intricate network of water channels and dams along the upper slope of a valley that are located closer to villages and at lower altitudes than natural glaciers. It starts to melt much earlier and supplements additional irrigation to small farmers’ improving their livelihoods. Therefore, the issue of vulnerability, adaptive capacity and adaptation strategy needs to be analyzed in a local context and the communities as well as regions where people live. Leh (Ladakh) in North-West Himalaya provides a Case Study for exploring the ways in which adaptation to Climate Change is taking place at a community scale using Artificial Glacier Technology. With the above backdrop, an attempt has been made to analyze the rural poor households' vulnerability and adaptation practices to Climate Change using this technology, thereby drawing lessons on vulnerability-livelihood interactions in the cold desert of Leh (Ladakh) in North-West Himalaya, India. The study is based on primary data and information collected from 675 households confined to 27 villages of Leh (Ladakh) in North-West Himalaya, India. It reveals that 61.18% of the population is driving livelihoods from agriculture and allied activities. With increased irrigation potential due to the use of Artificial Glaciers, food security has been assured to 77.56% of households and health vulnerability has been reduced in 31% of households. Seasonal migration as a livelihood diversification mechanism has declined in nearly two-thirds of households, thereby improving livelihood strategies. Use of tactical adaptations by small farmers in response to persistent droughts, such as selling livestock, expanding agriculture lands, and use of relief cash and foods, have declined to 20.44%, 24.74% and 63% of households. However, these measures are unsustainable on a long-term basis. The role of policymakers and societal stakeholders becomes important in this context. To address livelihood challenges, the role of technology is critical in a multidisciplinary approach involving multilateral collaboration among different stakeholders. The presence of social entrepreneurs and new actors on the adaptation scene is necessary to bring forth adaptation measures. Better linkage between Science and Technology policies, together with other policies, should be encouraged. Better health care, access to safe drinking water, better sanitary conditions, and improved standards of education and infrastructure are effective measures to enhance a community’s adaptive capacity. However, social transfers for supporting climate adaptive capacity require significant amounts of additional investment. Developing institutional mechanisms for specific adaptation interventions can be one of the most effective ways of implementing a plan to enhance adaptation and build resilience. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=climate%20change" title="climate change">climate change</a>, <a href="https://publications.waset.org/abstracts/search?q=adaptation" title=" adaptation"> adaptation</a>, <a href="https://publications.waset.org/abstracts/search?q=livelihood" title=" livelihood"> livelihood</a>, <a href="https://publications.waset.org/abstracts/search?q=stakeholders" title=" stakeholders"> stakeholders</a> </p> <a href="https://publications.waset.org/abstracts/172884/governance-of-climate-adaptation-through-artificial-glacier-technology-lessons-learnt-from-leh-ladakh-india-in-north-west-himalaya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172884.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">70</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">11125</span> Need for Elucidation of Palaeoclimatic Variability in the High Himalayan Mountains: A Multiproxy Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sheikh%20Nawaz%20Ali">Sheikh Nawaz Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Pratima%20Pandey"> Pratima Pandey</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Morthekai"> P. Morthekai</a>, <a href="https://publications.waset.org/abstracts/search?q=Jyotsna%20Dubey"> Jyotsna Dubey</a>, <a href="https://publications.waset.org/abstracts/search?q=Md.%20Firoze%20Quamar"> Md. Firoze Quamar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The high mountain glaciers are one of the most sensitive recorders of climate changes, because they have the tendency to respond to the combined effect of snow fall and temperature. The Himalayan glaciers have been studied with a good pace during the last decade. However, owing to its large ecological diversity and geographical vividness, major part of the Indian Himalaya is uninvestigated, and hence the palaeoclimatic patterns as well as the chronology of past glaciations in particular remain controversial for the entire Indian Himalayan transect. Although the Himalayan glaciers are nourished by two important climatic systems viz. the southwest summer monsoon and the mid-latitude westerlies, however, the influence of these systems is yet to be understood. Nevertheless, existing chronology (mostly exposure ages) indicate that irrespective of the geographical position, glaciers seem to grow during enhanced Indian summer monsoon (ISM). The Himalayan mountain glaciers are referred to the third pole or water tower of Asia as they form a huge reservoir of the fresh water supplies for the Asian countries. Mountain glaciers are sensitive probes of the local climate, and, thus, they present an opportunity and a challenge to interpret climates of the past as well as to predict future changes. The principle object of all the palaeoclimatic studies is to develop a futuristic models/scenario. However, it has been found that the glacial chronologies bracket the major phases of climatic events only, and other climatic proxies are sparse in Himalaya. This is the reason that compilation of data for rapid climatic change during the Holocene shows major gaps in this region. The sedimentation in proglacial lakes, conversely, is more continuous and, hence, can be used to reconstruct a more complete record of past climatic variability that is modulated by changing ice volume of the valley glacier. The Himalayan region has numerous proglacial lacustrine deposits formed during the late Quaternary period. However, there are only few such deposits which have been studied so far. Therefore, this is the high time when efforts have to be made to systematically map the moraines located in different climatic zones, reconstruct the local and regional moraine stratigraphy and use multiple dating techniques to bracket the events of glaciation. Besides this, emphasis must be given on carrying multiproxy studies on the lacustrine sediments that will provide a high resolution palaeoclimatic data from the alpine region of the Himalaya. Although the Himalayan glaciers fluctuated in accordance with the changing climatic conditions (natural forcing), however, it is too early to arrive at any conclusion. It is very crucial to generate multiproxy data sets covering wider geographical and ecological domains taking into consideration multiple parameters that directly or indirectly influence the glacier mass balance as well as the local climate of a region. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=glacial%20chronology" title="glacial chronology">glacial chronology</a>, <a href="https://publications.waset.org/abstracts/search?q=palaeoclimate" title=" palaeoclimate"> palaeoclimate</a>, <a href="https://publications.waset.org/abstracts/search?q=multiproxy" title=" multiproxy"> multiproxy</a>, <a href="https://publications.waset.org/abstracts/search?q=Himalaya" title=" Himalaya"> Himalaya</a> </p> <a href="https://publications.waset.org/abstracts/54079/need-for-elucidation-of-palaeoclimatic-variability-in-the-high-himalayan-mountains-a-multiproxy-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54079.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">263</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">11124</span> Stability Assessment of Underground Power House Encountering Shear Zone: Sunni Dam Hydroelectric Project (382 MW), India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sanjeev%20Gupta">Sanjeev Gupta</a>, <a href="https://publications.waset.org/abstracts/search?q=Ankit%20Prabhakar"> Ankit Prabhakar</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Rajkumar%20Singh"> K. Rajkumar Singh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sunni Dam Hydroelectric Project (382 MW) is a run of river type development with an underground powerhouse, proposed to harness the hydel potential of river Satluj in Himachal Pradesh, India. The project is located in the inner lesser Himalaya between Dhauladhar Range in the south and the higher Himalaya in the north. The project comprises two large underground caverns, a Powerhouse cavern (171m long, 22.5m wide and 51.2m high) and another transformer hall cavern (175m long, 18.7m wide and 27m high) and the rock pillar between the two caverns is 50m. The highly jointed, fractured, anisotropic rock mass is a key challenge in Himalayan geology for an underground structure. The concern for the stability of rock mass increases when weak/shear zones are encountered in the underground structure. In the Sunni Dam project, 1.7m to 2m thick weak/shear zone comprising of deformed, weak material with gauge has been encountered in powerhouse cavern at 70m having dip direction 325 degree and dip amount 38 degree which also intersects transformer hall at initial reach. The rock encountered in the powerhouse area is moderate to highly jointed, pink quartz arenite belonging to the Khaira Formation, a transition zone comprising of alternate grey, pink & white quartz arenite and shale sequence and dolomite at higher reaches. The rock mass is intersected by mainly 3 joint sets excluding bedding joints and a few random joints. The rock class in powerhouse mainly varies from poor class (class IV) to lower order fair class (class III) and in some reaches, very poor rock mass has also been encountered. To study the stability of the underground structure in weak/shear rock mass, a 3D numerical model analysis has been carried out using RS3 software. Field studies have been interpreted and analysed to derive Bieniawski’s RMR, Barton’s “Q” class and Geological Strength Index (GSI). The various material parameters, in-situ characteristics have been determined based on tests conducted by Central Soil and Materials Research Station, New Delhi. The behaviour of the cavern has been studied by assessing the displacement contours, major and minor principal stresses and plastic zones for different stage excavation sequences. For optimisation of the support system, the stability of the powerhouse cavern with different powerhouse orientations has also been studied. The numerical modeling results indicate that cavern will not likely face stress governed by structural instability with the support system to be applied to the crown and side walls. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=3D%20analysis" title="3D analysis">3D analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=Himalayan%20geology" title=" Himalayan geology"> Himalayan geology</a>, <a href="https://publications.waset.org/abstracts/search?q=shear%20zone" title=" shear zone"> shear zone</a>, <a href="https://publications.waset.org/abstracts/search?q=underground%20power%20house" title=" underground power house"> underground power house</a> </p> <a href="https://publications.waset.org/abstracts/156644/stability-assessment-of-underground-power-house-encountering-shear-zone-sunni-dam-hydroelectric-project-382-mw-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156644.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">88</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</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=higher%20himalaya%20%28HH%29&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=higher%20himalaya%20%28HH%29&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=higher%20himalaya%20%28HH%29&page=4">4</a></li> <li class="page-item"><a class="page-link" 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