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Monitoring on Ice-Dammed Lake and Related Surging Glaciers in Yarkant River, Karakorum in 2009
详细信息   
摘要

Under the influence of climate and glacier changes,  Glacier Lake Outburst Floods(GLOFs) occurred frequently in Yarkant River,  Karakorum,  China,  in recent years.  Using China Environment and Natural Disaster Monitoring Satellite images(HJ-1A/1B),  source of floods in upstream Yarkant River was under dynamic monitoring from May to September in 2009.  During this period,  an expanding ice-dammed lake was found in the glacier terminus of Kyagar.  However,  in early August the ice-dammed lake suddenly disappeared,  leaving a large number of ices in the river valley.  This phenomenon is significant different from previous years.  The results suggested that infrequent glacier surging occurred in Kyagar glacier,  and further monitoring will be conducted near future. 

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