期刊
WATER
卷 14, 期 19, 页码 -出版社
MDPI
DOI: 10.3390/w14192968
关键词
Landsat; NDSI; ice and debris; spot 7; temperature; precipitation
资金
- Ministry of Oceans and Fisheries, South Korea
The glaciers in the Upper Indus Basin in Pakistan are experiencing retreat due to global warming, particularly in the Central Karakoram National Park region. The retreat is primarily caused by the increase in summer temperatures and decrease in winter precipitation. This glacier retreat will have implications for water resources, agriculture, and hydropower production in the downstream areas.
Glaciers in the Upper Indus Basin (UIB) in Pakistan are the major source of water, irrigation, and power production for downstream regions. Global warming has induced a substantial impact on these glaciers. In the present study, Landsat images were utilized to evaluate the glaciers for the period from 1990-2020 in the Central Karakoram National Park (CKNP) region to further correlate with climate parameters. The results reveal that glaciers are retreating and the highest (2.33 km(2)) and lowest (0.18 km(2)) recession rates were observed for Biafo and Khurdopin glaciers, respectively. However, a minor advancement has also been observed for the period from 1990-2001. More than 80% of glacier recession was recorded between 2009-2020 because mean summer temperature increased at both Skardu and Gilgit meteorological stations, while precipitation decreased at both stations from 2005-2020. The increase in mean summer temperature and decrease in winter precipitation resulted in glacial retreat, which will lead to water scarcity in the future as well as affect the agriculture sector and hydropower production in downstream areas of the Indus River basin.
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