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西北地区国产水资源总量为 15 6 3.1亿m3 ,其中黄河流域部分水资源总量为 5 11.9亿m3 ,内陆河水资源总量为 10 5 1.2亿m3 ;地表水资源量 14 2 8.2亿m3 ,地表水与地下水之间不重复的地下水资量为 134.9亿m3 。西部水资源的分布不均匀 ,降雨受地形影响 ,形成了多个闭合圈。
The total amount of domestic water resources in the northwestern region was 15.631 billion m3, of which some of the total water resources in the Yellow River Basin was 51.19 billion m3, the inland river water resources totaled 10 5 120 million m3, the surface water resources 142.82 million m3, The amount of groundwater that does not overlap between surface water and groundwater is 13.49 billion m3. The distribution of water resources in the west is uneven, rainfall is affected by the terrain, and a number of closed loops are formed.