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《Journal of Glaciology and Geocryology》 2006-06
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Change of the Gurenhekou Glacier in Yangbajain Area,Nyainqêntanglha Range

PU Jian-chen~1,2, YAO Tan-dong~2,1, TIAN Li-de~2,1 (1.Key Laboratory of Cryosphere and Environment,CAREERI,CAS,Lanzhou Gansu 730000,China;2.Institute of Tibetan Plateau Research,Chinese Acadeny of Sciences,Beijing 100085,China)  
Gurenhekou Glacier lies in the Yangbajain area of Nyainqêntanglha Range,variation of which was monitored during the period 2004-2006.The locations of glacier terminus in different periods were measured using the Global Position System(GPS).Combined with the topographic maps and aerophotos,it is concluded that the glacier retreating is distinct considerably from the Little Ice Age(LIA).In the maximum of the Little Ice Age,the altitude of glacier terminus was 100 m lower than that of present;the glacier shrinking rate was about 7.0 m·a~-1 from the last of Little Ice Age to 1970 and 8.3 m·a~-1 from 1970 to 2004,respectively.The shrinking rate was measured to be about 9.5 m·a~-1 for the periods 2004-2005 and 17.0 m·a~-1 for the period of 2005-2006,respectively.It is clear that under global warming,the glacier water resources will decrease considerably with the pronounced retreat of Gurenhekou Glacier in the Yangbajain area,Nyainqêntanglha Range.
【Fund】: 国家重点基础研究发展规划项目(2005CB422000);; 中国科学院知识创新工程重要方向项目(KZCX3-SW-339);; 国家自然科学基金(40121101);; 中国科学院百人计划项目(2004401)资助
【CateGory Index】: P343.6
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