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地表水资源量是指河流、湖泊、冰川等地表水体中由当地降水形成的、可以逐年更新的动态水量,用河川天然径流量表示。文章主要阐述了南阳市地表水资源量的分布、时空分布特点、地表水资源系列分析,主要说明了各个分区的降水量地表水资源量相关特性。
The amount of surface water resources refers to the dynamic amount of water that can be updated year by year by the local precipitation in rivers, lakes, glaciers and other surface water bodies and is expressed by the natural runoff of the river. This paper mainly expounds the distribution of surface water resources, spatial and temporal distribution characteristics of Nanyang City, surface water resources series analysis, mainly explains the relevant characteristics of surface water resources of precipitation in each subarea.