Quick ice mass loss and abrupt retreat of the maritime glaciers in the Kangri Karpo Mountains, southeast Tibetan Plateau

查看全文 作　　者：YANG [1,3]Wei;YAO [1,2]TanDong;XU [1]BaiQing;WU [1]GuangJian;MA [1,3]LingLong;XIN [1,3]XiaoDong

机构地区：[1]Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100085, China;[2]National Key Laboratory of Cryospheric Science, Chinese Academy of Sciences, Lanzhou 730000, China;[3]Graduate University of the Chinese Academy of Sciences, Beijing 100049, China

出　　处：《Chinese Science Bulletin》索引2008年第53卷第16期,共5页

基　　金：the National Basic Research Program of China (Grant No. 2005CB422004); the National Natural Science Foundation of China (Grant Nos. 40571039 and 40121101) 摘　　要：The maritime glaciers are sensitive to climate change because of high annual precipitation and high air temperature in the region. A combined comprehensive study was carried out based on glacier mass balance observation, GPS-based glacier terminus position survey, glacier Ground Penetrating Radar, topography maps and RS satellite images in the Kangri Karpo Mountains, Southeast Tibet. The study revealed a strong ice mass loss and quick glacier retreat since the 1970s. Ata Glacier, one glacier from the south slope of the Kangri Karpo Mountains, has formed a 6-km-long terminal moraine zone at the end of the glacier since the 1970s, and the accelerating retreat is largely due to the strong glacier sur- face melting. Mass balance study on the other four glaciers on the northern side of the Kangri Karpo Mountains shows that they are in large negative mass balance and the glaciers had retreated 15―19 m from May 2006 to May 2007. The in-situ glacier observation also shows that the glacier retreat is more obvious in small glaciers. The enhanced ice mass deficit caused by climate warming and the ongoing extinction of many small glaciers in this region could seriously affect the water resources, environ- ments, local climate and regional sustainable development in the near future. 关键词：西藏高原海上冰川山脉气候变化

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Quick ice mass loss and abrupt retreat of the maritime glaciers in the Kangri Karpo Mountains, southeast Tibetan Plateau

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