Achi news desk-
A lake formed by a glacier.
– Photo: ANI
expansion
Due to rising temperatures, the snow in the Himalayas is melting rapidly and the size of 27 percent of the glacial lakes has increased dangerously since 1984. According to an Indian Space Research Organization (ISRO) report, if this continues, it could lead to a catastrophic flood tragedy. According to ISRO, 2,431 Lakes larger than 10 hectares were identified during 2016-17. Satellite images show that 676 of these lakes have grown since 1984.
divided into four categories
According to the report, lakes formed from glaciers are divided into four categories based on the process of their formation. Mortar dams (water dammed by moraines), ice dams (water dammed by ice), erosion and other glacially formed lakes. The debris carried from the glacier is called moraine. Of the 676 lakes that grew, 307 are in the Morena dam category. After that there are 265 erosion, 96 others and eight lakes formed by ice dams ie glaciers.
Of the 676 lakes, 601 more than doubled in size, while 10 lakes increased by 1.5 to 2 times and 65 lakes by 1.5 times. Of these, 130 are in India, including 65 in the Indus River Basin, seven in the Ganges River Basin and 58 in the Brahmaputra River Basin. Elevation based analysis revealed that 314 lakes are in the range of four to five thousand meters and 296 lakes are above five thousand meters.
