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《Ground Water》 2008-02
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Application of Fuzzy Mathematics Method for Groundwater Quality Evaluation in Tian Jin City

GUAN Yan-hai 1,LI Qiang2,CHAI Cheng-fan3(1.Hydrology & Water Resources Reconnaissance Bureau in Tonghua City of Jilin Province,Tonghua Jilin 134000,China;2.Bao Di Groundwater Resource Management Office,Bao Di Tianjin 301800,China;3.Chai Chengfan(Tianjin Hydrology & Water Resources Reconnaissance Management Center,Tianjin 300061,China)  
This paper tries to use Fuzzy mathematics method to evaluate quality of the ground water in Tianjin.As the appraisal factors such as TDS,the fluorine ion and so on 9 compositions,the fuzzy mathematics model with the synthesis judgment is made.It can calculate the weight of every evaluated factor and set up the biggest degree of membership function.For sample of groundwater quality collected at October in 2001,it is calculated the sample,analyzes its result and confirms the reliability of the judgment model.
【CateGory Index】: P641.12
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