基于改进的模糊数学评价法的外秦淮河水质评价

摘要

针对河流水质评价中存在的不确定性和模糊性，采用改进的模糊数学评价法，对南京市外秦淮河进行综合水质评价。结果表明，除七桥瓮断面外，外秦淮河大部分河段水质处于劣Ⅴ类标准水平，其中NH3-N和TP是外秦淮河水质的主要影响因子。%In view of the uncertainty and fuzziness in the evaluation of river water quality , an improved fuzzy mathematical method was used for comprehensive evaluation of the water quality in the external Qinhuai River , in Nanjing City .The results show that the water quality in most sections of the external Qinhuai River reaches the inferior grade V standard , except in the Qiqiaoweng section .NH3-N and TP are the major indices that affect the water quality .