期刊
CRYOSPHERE
卷 8, 期 2, 页码 571-574出版社
COPERNICUS GESELLSCHAFT MBH
DOI: 10.5194/tc-8-571-2014
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资金
- ISIS project [667]
The return periods of Karakoram glacier surges are poorly quantified. Here, we present evidence of an historic surge of the Khurdopin Glacier that began in the mid-1970s and peaked in 1979. Measured surface displacements reached > 5 km a(-1), two orders of magnitude faster than during quiescence. The Khurdopin Glacier next surged in the late 1990s, equating to a return period of 20 years. Surge evolution in the two events shows remarkable similarity suggesting a common trigger. Surge activity in the Karakoram needs to be better understood if accurate mass balance assessments of Hindu-Kush-Karakoram-Himalaya glaciers are to be made.
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