模糊数学在湿地水质评价中应用的研究周林飞.pdfVIP

　 36　2 0051 1, 2 3 1 周林飞 , 高云彪, 许士国 (1.大连理工大学 土木水利学院, 辽宁大连　116024;2.沈阳农业大学 水利学院, 辽宁沈阳　110161;3.辽宁省水土保持局, 辽宁沈阳　110003 ) 　　【　】　本研究中将模糊数学的基本原理引入到湿地水质评价中. 照《地面水环境质量标准》把水质的 污染程度分为5 个级别, 运用统计学法进行 评因子的遴选, 正确地选择了隶属函数和各 评因子的权 重, 在此基础上构建了湿地水质模糊综合评判模型.并以扎龙湿地为例进行了实例计算与分析. 【】　模糊综合评判;湿地水质评价;权重;隶属度 :T V 141.2 　　　　:A 　　　　:1000-0860 (2005 )0 1-0035-04 Research on appl ication of fuzzy mathematics to water quality evaluation of wetland 1 2 1 ZHOU Lin-fei , GAO Yun-biao , X U Shi-guo (1.Co ege of Civi and Hydrau ic Enginee ing, Da ian U niversity of T echno ogy, Da ian　116024, Liaoning, China; 2.Co eg e of W ater Resources, Shenyang A gricu tura University, Shenyang 　110 161, Liaoning, China; 3.Wa ter and Soi Co nservation Bureau of Liaoning Province, Sheny ang 　11000 3, Liaoning, China) Abstract:Based on fuzzy mathematics, a mathematica mode is dev e o ped for w ater qua ity eva uation of w et and.In this re- search, the po ution degree of w ater qua ity is divided into 5 eve s w ith the ref erence to the “ST AN DA RDS OF SU RFACE WAT ER ENV I RO NM EN T Q UA LIT Y” and the indexes to be appraised are se ected by u se of statistic method, w hi e the sub- ordinated function and w eighting are se ected cor rect y .On the basis of this, a fuzzy comprehensive eva uation mo de is deve - oped fo r the w et and w ater qua ity eva uation, and then the w ater qua ity in Zha o ng Wet and is eva uated as an examp e fo r demonstration. Key words:fuzzy comprehensive eva uation;w ater qua ity of w et and;w eighting;subordinated deg ree 　　, ,