华阴市地表水模糊评价与分析

Fuzzy Evaluation and Analysis of Surface Water in Huayin City

通过华阴市地表水12个代表断面的水污染状况调查,选用CODMn、NO3-N、NH4+-N、Cr6+、SS和pH六个水质指标,采用模糊综合评价法,按照地表水水质标准进行评价,得出华阴市地表水水质均为Ⅴ类,地表水污染严重。研究成果可作为华阴市地表水水质综合治理的依据,也可为华阴市污水排放处理提供科学依据。

Through the investigation of water pollution of 12 sample sections in Huiyin city,6 water quality indicators are chosen,such as CODMn、NO3-N,NH＋4-N,Cr6＋,SS,and pH,to evaluate the surface water quality by using fuzzy comprehensive evaluation method.The result shows that the water quality of Huayin city is V,heavyly polluted.The reault can be used as the basis for water quality control,as well as for sewage disposal.