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[1]WANG Kai,YANG Taibao,HE Yi,et al.Research for Glaciers and Climate Change of A’nyê Maqên Mountain Nearly 30 Years[J].Research of Soil and Water Conservation,2015,22(03):300-303,308.

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Research for Glaciers and Climate Change of A’nyê Maqên Mountain Nearly 30 Years

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 03 Page number: 300-303,308 Column: Public date: 2015-06-28

Title:: Research for Glaciers and Climate Change of A’nyê Maqên Mountain Nearly 30 Years

Author(s):: WANG Kai, YANG Taibao, HE Yi, JI Qin; Institute of Glaciology and Ecogeography, College of Earth and Environmental Science, Lanzhou University, Lanzhou 730000, China

Keywords:: A’nyê Maqên Mountains; RS; GIS; glacier change; climate change

CLC:: P467;P343.6

DOI:: -

Abstract:: In order to analyze the variations of glacier in A’nyê Maqên Mountain, RS and GIS technology were used to extract the boundary. Landsat TM and ETM+ images of the years of 1992, 2001, 2010 were chosen and used. Combining mean annual precipitation and temperature data over the period from 1960 to 2010 from three meteorological stations near the study area, the research about the relationship between the variation of glacier and climate change over the past 20 years was conducted. The results suggest that A’nyê Maqên Mountain glacier cover was at the dynamic change status. However, the glacier cover showed a overall trend of retreat over the past 20 years. Glacier cover reduced from 109.21 km² to 99.34 km² during the period from 1992 to 2010 by 9.04% at a rate of 0.71 km² per year. During 2001—2010 glacier cover had a retreat rate of 0.38 km² per year, which indicated that the glacier retreat rate decreased. Meteorological data shows that there is an obvious increase of temperature, but the precipitation slightly increase, revealing that temperature increase is the vital cause of glacier retreat in A’nyê Maqên Mountain.

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