Page 39 - 《水资源与水工程学报》2022年第6期
P. 39

! 33 " ! 6 #                      & ' ( ) & * + , -                               Vol.33No.6
               2022 $ 12 %              JournalofWaterResources&WaterEngineering                 Dec.,2022

            DOI:10.11705/j.issn.1672-643X.2022.06.05


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                 KLDMN:TV213.4   OPQRS:A    OTUN:1672643X(2022)06003511

              Spatialevaluationandobstaclefactordiagnosisofwaterresourcessecurityin
                         HunanProvincebasedonentropyweight -TOPSISmodel

                                                                                      2,3,4
                                          1,2,3
                                                                      1,2,3
                                LUOZiwei ,HUXijun      1,2,3 ,TANGJia    ,WEIBaojing
              (1.CollegeofLandscapeArchitecture,CentralSouthUniversityofForestry&Technology,Changsha410004,China;2.Instituteof
              UrbanandRuralLandscapeEcology,CentralSouthUniversityofForestry&Technology,Changsha410004,China;3.HunanBig
                DataEngineeringTechnologyResearchCenterofLandscapeResourcesinNaturalProtectedAreas ,Changsha410004,China;
                 4.CollegeofLifeScienceandTechnology,CentralSouthUniversityofForestry&Technology,Changsha410004,China)
                 Abstract:WaterresourcessecurityinHunanProvinceplaysanimportantroleinmaintainingwatersecur
                 ityinthemiddleandlowerreachesoftheYangtzeRiver.Thespatialevaluationandobstaclefactordiag
                 nosisofwaterresourcessecurityinHunanProvinceareaimedtoprovidedecisionmakingbasisforregion
                 alecologicalmanagementandwaterresourcesdevelopmentandutilization.Here,13indicesfromsubsys
                 temsofwaterresourcescondition ,socialeconomicconditionandecologicalenvironmentconditionwere
                 selectedtoconstructaspatialevaluationindexsystem ofwaterresourcessecurity ,thentheentropy
                 weight-TOPSISmodelwasusedtoevaluatethecomprehensivesituationofwaterresourcessecurity ,and
                 thespatialdistributionmapwasdrawn.Meanwhile,themainobstaclefactorswereidentifiedbyobstacle
                 degreemodel.TheresultsshowthatthewaterresourcessecurityofHunanProvincewasatlevel Ⅲ (bas
                 icsafety )from2000to2015,andreachedlevel Ⅱ (relativelysafe)by2020,whichshowedanannual

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