Page 50 - 《水资源与水工程学报》2022年第6期
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! 33 " ! 6 #                      & ' ( ) & * + , -                               Vol.33No.6
               2022 $ 12 %              JournalofWaterResources&WaterEngineering                 Dec.,2022

            DOI:10.11705/j.issn.1672-643X.2022.06.06


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                 KLDMN:P641.8;TV211.1 2   OPQRS:A    OTUN:1672643X(2022)06004607
                     Groundwaterqualityassessmentbasedonindicatorselectionand
                                    fuzzycomprehensiveoptimizationmodel

                                        1
                                                                       1
                                                                                         2,3
                                                          1
                             WANGJing,YUANXingfang,HANZhong,HUANGLinxian ,
                                                                                2
                                                   4
                                                                 2,3
                                        LIANGHao,XINGLiting ,HOUJinxiao
                (1.No.6InstituteofGeologyandMineralResourcesExplorationofShandongProvince,Weihai264209,China;2.Schoolof
                  WaterConservancyandEnvironment,UniversityofJinan,Jinan250022,China;3.ShandongProvincialEngineering
                     TechnologyResearchCenterforGroundwaterNumericalSimulationandContaminationControl ,Jinan250022,
                       China;4.ShandongProvincialTerritorialSpatialEcologicalRestorationCenter,Jinan250014,China)
                 Abstract:Groundwaterqualityassessmentoftenrequiresalargenumberofwaterqualityindicators,
                 whichnotonlyincreasesthesamplingandtestingcost,butalsoeasilycausesrepeateddescriptionsand
                 distortedresults.Inthisstudy,waterqualityindicatorswereoptimizedbyPearsoncorrelationcoefficient
                 andfactoranalysis,andthenthegroundwaterqualityofShouguangCityinthedryseasonof2017wase
                 valuatedusingthefuzzycomprehensiveoptimizationmodel.Theresultsshowthatbycouplingfuzzycom
                 prehensiveevaluationwithvariablefuzzysets ,waterqualitycategorizationcanbesolvedwellandthere
                 sultsaremoreaccurateandreasonable.Furthermore,theoptimizationofindicatorsreducedtheoriginal
                 numberdowntofour,whichnotonlyeffectivelyreduceddataredundancy,butalsoretainedtheeffective
                 informationoftheoriginalindicators ,andmadeitmoreplausiblefortheevaluation.Onthisbasis,the
                 maindominantindicatorsofgroundwaterpollutioninthestudyareawereidentifiedasnitrate ,totalhard
                 ness ,zincandCOD.Inaddition,thegroundwaterpollutioninthevegetablegrowingareawasaggravat
                 ing ,anditsoverstandardindicatorswerenitrateandtotalhardness,whichwerecausedbytheexcessive

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