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Study on the Area Change of the Snow-covered Region Based on ArcGIS and RS

SHAO Lei (College of Earth Sciences,China University of Geosciences,Wuhan,Hubei 430074)  
The remote sensing images in the Mount Namjagbarwa Region in 3 stages of 1973,1987 and 1999 were treated by using ArcGIS software.The snow-covered region in this area was marked off and its area was calculated and the area change tendency in the snow-covered region was educed at the quantitative level.
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