Glacier retreat and lake outburst floods in the central Himalayan region from 2000 to 2022

Abhishek Banerjee, Shichang Kang (), Wanqin Guo, Michael E. Meadows, Weicai Wang, Dhritiraj Sengupta and Taigang Zhang
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Abhishek Banerjee: Chinese Academy of Sciences
Shichang Kang: Chinese Academy of Sciences
Wanqin Guo: Chinese Academy of Sciences
Michael E. Meadows: Nanjing University
Weicai Wang: Chinese Academy of Sciences
Dhritiraj Sengupta: Plymouth Marine Laboratory
Taigang Zhang: Lanzhou University

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2024, vol. 120, issue 6, No 21, 5485-5508

Abstract: Abstract Recent research on the Himalayan cryosphere has increasingly been focused on climate uncertainty and regional variations, considering features such as glacier recession, lake expansion, outburst floods, and regional hazards. The Bhilangana river basin, located in the central Himalayas, is predominantly characterized by increased elevation-dependent warming and declining seasonal precipitation. Our study shows that high-elevation temperature increased from 2000 to 2022 (0.05 °C/year, p = 20 m/sec). Quantification of the regional hazard reveals potentially severe downstream challenges for low-to-medium-scale hydropower stations, local settlements, and road and railway bridges near Devling and Ghuttu villages.

Keywords: Climate change; Glacier retreat; GLOF; HEC-RAS modeling; Google earth engine; Remote sensing; Regional hazard (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s11069-024-06415-5

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