Abstract
AbstractThe purpose of water quality assessment is that make reaction of water features accurately. The key of how to reflect the status and grade of water pollution is the expression of evaluation conclusions The factors which groundwater evaluation involves are often as many as dozens, and there are various factors at different levels. Through the choice of assessment factors, the method of fuzzy comprehensive evaluation which determines the fuzzy sets such as factor set, evaluation set, membership function and weight set makes calculation. Therefore, it can be more scientific, practical and effective in using the monitoring data than the general comprehensive evaluation to make evaluation of groundwater accurately. It introduces the theory of the method of fuzzy comprehensive evaluation systematically, and the fuzzy evaluation with examples whose results indicated that fuzzy comprehensive evaluation method has good uniformity with conventional evaluation method, and so does the water features. Therefor it can evaluate the degree of groundwater quality more comprehensively.KeywordsWater quality assessmentgroundwaterfuzzy comprehensive evaluationevaluation factorWeighting coefficient
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