Papers by MD. ATAULLAH RAZA KHAN
Applications and Challenges of Geospatial Technology, 2018
Indian subcontinent attained present physical form due to vast tectonic movements that resulted i... more Indian subcontinent attained present physical form due to vast tectonic movements that resulted into large number of earthquakes. In studies it has been found that more than 50% area in the country is prone to damaging earthquakes. The northeastern part of India as well as the entire Himalayan belt is susceptible to earthquake of magnitude more than 8.0. The present study is principally aimed at understanding the intricate seismological processes in the study area, Sikkim which is on hilly terrain of Eastern Himalayas. Sikkim is situated in a region where major cause of earthquake is displacement of the Indian plate toward the Eurasian plate having complex geology. Remote sensing and GIS model builder and syntax were proven for hazard and vulnerable map creation used in earthquake scenarios development, planning, management, and resource estimation. In this study the preliminary factors including geology, topography, slope, relief, land use/cover, major roads, and historical epicent...
Remote Sensing
The presence and extent of permafrost in the Himalaya, which is a vital component of the cryosphe... more The presence and extent of permafrost in the Himalaya, which is a vital component of the cryosphere, remains severely under-researched with its future climatic-driven trajectory only partly understood and the future consequences on high-altitude ecosystem tentatively sketched out. Previous studies and available permafrost maps for the Himalaya relied primarily upon the modelled meteorological inputs to further model the likelihood of permafrost. Here, as a maiden attempt, we have quantified the distribution of permafrost at 30 m grid-resolution in the Western Himalaya using observations from multisource satellite datasets for estimating input parameters, namely temperature, potential incoming solar radiation (PISR), slope, aspect and land use, and cover. The results have been compared to previous studies and have been validated through field investigations and geomorphological proxies associated with permafrost presence. A large part of the study area is barren land (~69%) due to it...
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Papers by MD. ATAULLAH RAZA KHAN