Abstract
Abstract The earth is warming in recent decade, most glaciers in western China have retreated. The Qinghai-Tibet Plateau is a closed lake basin, so glacier changes will directly affect the water balance and hydrological cycle of basin. According to principles of river basin water balance, considering the lakes, glaciers, streams of basin as a whole, based on Baingoin, Nakqu, Xainza, Damxung four weather stations data in nearly a decade of date, we build the Nam Co basin water balance model aiming with GIS technology to simulate changes of Nam Co Lake in recent years, and the results uses the expression of three-dimensional dynamic image to show the evolution of the Nam Co lake water level.
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