The Glacier Area Changes in the Qangtang Plateau Based on the Multi-temporal Grid Method and its Sensitivity to Climate Change  被引量:5

The Glacier Area Changes in the Qangtang Plateau Based on the Multi-temporal Grid Method and its Sensitivity to Climate Change

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作  者:WANG Liping XIE Zichu WANG Xin LIU Shiyin DING Liangfu SHANGGUAN Donghui 

机构地区:[1]The College of Resources and Environmental Science, Hunan Normal University, Changsha, China [2]Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, China [3]Department of Geography, Hunan University of Science and Technology, Xiangtan, China

出  处:《Journal of Mountain Science》2011年第6期882-893,共12页山地科学学报(英文)

基  金:supported by the National Natural Science Foundation of China (Nos.40871043,40801025);the Project of National Scientific Basic Special Fund on the Ministry of Science and Technology of China (No.2006FY110200);the Key Construction Disciplines of Hunan Province (No.40652001)

摘  要:Glacier area changes in the Qangtang Plateau are analyzed during 1970-2000 using air photos,relevant photogrammetric maps and satellite images based on the multi-temporal grid method.The results indicate that the melting of glaciers accelerated,only a few of glaciers in an advancing state during 1970-2000 in the whole Qangtang Plateau.However,the glaciers seemed still more stable in the study area than in most areas of western China.We estimate that glacier retreat was likely due to air temperature warming during 1970-2000 in the Qangtang Plateau.Furthermore,the functional model of glacier system is applied to study climate sensitivity of glacier area changes,which indicates that glacier lifespan mainly depends on the heating rate,secondly the precipitation,and precipitation increasing can slow down glacier retreat and make glacier lifespan prolonged.

关 键 词:The Qangtang Plateau Glacier change MULTI-TEMPORAL Climate change Functional model ofglacier system Simulation 

分 类 号:P467[天文地球—大气科学及气象学] TV21[水利工程—水文学及水资源]

 

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