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ESTABLISHMENT AND APPLICATION OF GREY ASSOCIATIVE MODEL FOR WATER QUALITY COMPREHENSIVE ASSESSMENT

Li Ruzhong(School of Natural Resources and Environmental Engineering,Hefei University of Technology,Hefei 230009)  
Based on the theory of Grey Associative Analysis,a water quality comprehensive assessment model is established.As a case,distract water quality is evaluated belonging to the city of Maanshan.In the paper,the Analytic Hierarchy Process(AHP)is used to calculate the weight of each evaluation index.Result of the study shows that the nonuniformity problem of evaluation results of water quality indexes can be resolved satisfactorily by the method of Grey Associative Analysis.The model established in the paper is general,which can be used to comprehensive evaluation of other water quality.
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