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1、4.1GreyRelationalAnalysisFirst,selectareferencesequenceasshownbelow:Andtheothergroupofsequenceis,Thenthecorrelationdegreeoftois,Inwhich,Then,weusetodescribethecorrelationdegreebetweenand,namelytodescribetheinfluenceoncausedbythechangeof.Ingeneral,Practicalproblemsoftenhavedifferentnumbersof
2、differentdimension,butwhenwecalculatethecorrelationdegree,itrequiresthesamenumbersofsamedimension.Sowewanttocarryoutavarietyofdataprocessingdimensionless.inaddition,Forcomparisoneasily,allthesequsecesarerequiredtohaveacommonpoint.Inordertosolvethesetwoproblems,wetransformthegivensequences.T
3、hegivensequencewenameasinitializationsequenceofOriginalsequence4.2WaterresourcescarryingcapacityevaluationindexesandclassificationindexesTheestablishmentofevaluationindexsystemofwaterresourcescarryingcapacityisakeyissueinthestudyofwaterresourcescarryingcapacity.Regionalwaterresourcescarryin
4、gcapacityisinfluencedbymanyfactors,Shouldbeselectedaccordingtotherequirementsofthespecificregionalsocialdevelopmentbacklogofsocial-economicindexsystemresponse-naturalcompoundecosystemdevelopmentscaleandquality,referenceexistingliteratureresults,throughthegreycorrelationanalysis,thebearingca
5、pacityofwaterresourcesevaluationindexareshownintable1.ApproachA:WeightedAverageEvaluationBasedModelFig.1.TheindexsystemofwaterresourcescarryingcapacityAgricultureinvestmentSocialeconomicindicatorindicatorsIndustryinvestmentPerGDPTheindexsystemofwaterresourcescarryingcapacityWaterenvironment
6、indicatorWaterresourcesindicatorsIndustrialsewagetreatmentIrrigationdisplacementPercapitalemissionLifewaterleverWaterresourcequantityComprehensiveanalysisofwaterresourcescarryingcapacityofmaininfluencingfactorsandperformancesystem,withreferencetotheevaluationindexsystemofwaterresourcescarry
7、ingcapacityathomeandabroadtoselectthefollowing6mainfactorsasevaluationfactors,Themeaningofthefactorsasfollows:Waterresourceutilizationratio(）:waterandtheratioofthetotalpopulation(）;waterutilizationrate(）:Theratiooftheavailablewaterquantityandwaterresourc
