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January 3, 2022
Changsang Glacier, Sikkim 2 km retreat and Lake Expansion 1989-2021
Changsang Glacier in Landsat images from 1989 and 2021, illustrating a 2.05 km retreat from 1989 terminus position-red arrow to the 2021 terminus position-yellow arrow. Formation of a new lake is also evident. The snowline is marked by purple dots. Changsang Glacier (Karda Glacier) is a valley glacier just north of Kanchengjunga, Nepal/Sikkim. A comparison of Landsat imagery from 1989 to 2021 identifies the formation of a lake at the …