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Demarcation of potential avalanche sites using remote sensing and ground observations : A case study of Gangotri glacier
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- Bhardwaj, Anshuman (author)
- Snow and Avalanche Study Establishment-Research and Development Center (SASE-RDC), Him Parisar, Plot No. 1, Sector 37A, Chandigarh
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- Pandit, Anala Aniruddha (author)
- Snow and Avalanche Study Establishment-Research and Development Center (SASE-RDC), Him Parisar, Plot No. 1, Sector 37A, Chandigarh
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- Ganju, Ashwagosha (author)
- Snow and Avalanche Study Establishment, Defence Research and Development Organization (DRDO), Him Parisar, Sector-37A, Chandigarh, Snow and Avalanche Study Establishment-Research and Development Center (SASE-RDC), Him Parisar, Plot No. 1, Sector 37A, Chandigarh
- Snow and Avalanche Study Establishment-Research and Development Center (SASE-RDC), Him Parisar, Plot No 1, Sector 37A, Chandigarh Snow and Avalanche Study Establishment, Defence Research and Development Organization (DRDO), Him Parisar, Sector-37A, Chandigarh, Snow and Avalanche Study Establishment-Research and Development Center (SASE-RDC), Him Parisar, Plot No. 1, Sector 37A, Chandigarh (creator_code:org_t)
- 2013-06-18
- 2014
- English.
- In: Geocarto International. - : Informa UK Limited. - 1010-6049 .- 1752-0762. ; 29:5, s. 520-535
- Journal article (peer-reviewed)
Abstract
Subject headings
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- This study demonstrates the effectiveness of remote sensing and analytical hierarchy process for avalanche hazard mapping. The layers incorporated in this study were of slope, aspect, profile curvature, ground cover and elevation. The accuracy of output was determined using the registered avalanche sites based on ground observations and field-based modelling techniques. 93.35% of avalanche-affected areas came under maximum and moderate hazard zones, thus proving the effectiveness of this technique for Gangotri glacier basin. A parallel study was done to observe the change in the results, if any, by using high-resolution DEM and Cartosat-1 imagery. Similar methodology was adopted and the outcome was having significant improvement over the previous result as 98.8% of the preregistered avalanche area falling within maximum and moderate hazard zones
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Rymd- och flygteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Aerospace Engineering (hsv//eng)
Keyword
- Atmospheric science
- Atmosfärsvetenskap
Publication and Content Type
- ref (subject category)
- art (subject category)
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