On the base of data from GIS and survey of study area on the spot, non-point source pollution load model of study area was constructed.

根据研究区域GIS数据信息及实地踏勘信息，借鉴国内外相关研究的模型模拟参数，在对研究区域进行概化的基础上，建立研究区域的非点源污染负荷模型。

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The pollutants load investigation in Yunlong reservoir basin shows that the non-point pollution source is the main pollution source. The TN is 91.8%, TP is 98.4% in total water inflow volume.

云龙水库径流区污染物负荷的调查结果显示，云龙水库水污染特征以面源污染为主，入库水量TN占91.8%，TP占98.4%。

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