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1、4.1GreyRelationalAnalysisFirst,selectareferencesequenceasshownbelow:Andtheothergroupofsequenceis,Thenthecorrelationdegreeoftois,Inwhich,Then,weusetodescribethecorrelationdegreebetweenand,namelytodescribetheinfluenceoncausedbythechangeof.Ingeneral,Practicalproblemsoftenhavedifferent
2、numbersofdifferentdimension,butwhenwecalculatethecorrelationdegree,itrequiresthesamenumbersofsamedimension.Sowewanttocarryoutavarietyofdataprocessingdimensionless.inaddition,Forcomparisoneasily,allthesequsecesarerequiredtohaveacommonpoint.Inordertosolvethesetwoproblems,wetransformt
3、hegivensequences.ThegivensequencewenameasinitializationsequenceofOriginalsequence4.2WaterresourcescarryingcapacityevaluationindexesandclassificationindexesTheestablishmentofevaluationindexsystemofwaterresourcescarryingcapacityisakeyissueinthestudyofwaterresourcescarryingcapacity.Re
4、gionalwaterresourcescarryingcapacityisinfluencedbymanyfactors,Shouldbeselectedaccordingtotherequirementsofthespecificregionalsocialdevelopmentbacklogofsocial-economicindexsystemresponse-naturalcompoundecosystemdevelopmentscaleandquality,referenceexistingliteratureresults,throughthe
5、greycorrelationanalysis,thebearingcapacityofwaterresourcesevaluationindexareshownintable1.ApproachA:WeightedAverageEvaluationBasedModelFig.1.TheindexsystemofwaterresourcescarryingcapacityAgricultureinvestmentSocialeconomicindicatorindicatorsIndustryinvestmentPerGDPTheindexsystemofw
6、aterresourcescarryingcapacityWaterenvironmentindicatorWaterresourcesindicatorsIndustrialsewagetreatmentIrrigationdisplacementPercapitalemissionLifewaterleverWaterresourcequantityComprehensiveanalysisofwaterresourcescarryingcapacityofmaininfluencingfactorsandperformancesystem,withre
7、ferencetotheevaluationindexsystemofwaterresourcescarryingcapacityathomeandabroadtoselectthefollowing6mainfactorsasevaluationfactors,Themeaningofthefactorsasfollows:Waterresourceutilizationratio(）:waterandtheratioofthetotalpopulation(）;waterutilizationrate(）:Theratiooftheavailablewa
8、terquantityandwaterresourc
