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Expansion of Glacial Lakes
April 26 , 2024
231 days
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- ISRO’s long-term satellite imagery covering the catchments of Indian Himalayan River basins from 1984 to 2023 have shown significant changes in glacial lakes.
- Of the 2,431 lakes larger than 10 hectares identified during 2016-17, 676 glacial lakes have notably expanded since 1984.
- Specifically, 130 of these lakes are situated within India, with 65, seven, and 58 lakes located in the Indus, Ganga, and Brahmaputra River basins, respectively.
- Of these lakes 601 lakes (89%) have expanded more than twice, 10 lakes have grown between 1.5 to 2 times and 65 lakes 1.5 times.
- The elevation-based analysis reveals that 314 lakes are located in the 4,000 to 5,000 m range and 296 lakes are above 5,000 m elevation.
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