The Xilin River Basin is a representative area of the typical grass in northern China.The quantity of proved reserves of coal is about 139.3 billion ton,which is the second in Inner Mongolia.This region has been unfolded in embryo of the national energy base.The contradiction of water supply and demand is being aggravated by the increasing of industrial water,so that the limited water resources has became the resitricted factor for development of ecological environment and social economy.The article predict...