Page 32 - 《水资源与水工程学报》2023年第3期
P. 32

!34 " ! 3 #                       & ' ( ) & * + , -                               Vol.34No.3
               2023 $ 6 %               JournalofWaterResources&WaterEngineering                 Jun.,2023

            DOI:10.11705/j.issn.1672-643X.2023.03.04


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                 ABCDE:TV213.4   FGHIJ:A    FKLE:1672643X(2023)03002809
               Couplingcoordinationandinfluencingfactorsofwater-economy-ecology
                                        system intheYangtzeRiverBasin


                                            1,2
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                                                                       1,2
                                  CHENShu ,JIQin ,YANKesheng ,CHENYun
              (1.HubeiKeyLaboratoryofHydropowerEngineeringandManagement,ChinaThreeGorgesUniversity,Yichang443002,China;
                    2.CollegeofHydraulic&EnvironmentalEngineering,ChinaThreeGorgesUniversity,Yichang443002,China)
                 Abstract:Thecoordinateddevelopmentofwaterresources,economyandecologyintheYangtzeRiver
                 Basinneedstobeimproved ,andtheexplorationofthecoordinationbetweenthesethreefactorsiscondu
                 civetothesustainabledevelopmentoftheYangtzeRiverBasin.Takingthe10provincesandcitiesofthe
                 YangtzeRiverBasinfrom2011to2020astheresearchobjects ,wefirstlyestablishedacouplingcoordi
                 nationmodelofthewater-economy-ecology(WEE)system;secondly,thetrendsurfacewasusedto
                 maptheglobaldistributionofcouplingcoordinationdegree,andthelocalcharacteristicsofthedevelop
                 mentofcouplingcoordinationdegreeintheYangtzeRiverBasinwereexplored;Thirdly,thespatialauto
                 correlationanalysiswasusedtoanalyzetheglobalandlocalcorrelationsofthecouplingcoordinationde
                 gree.Finally ,afactordetectorwasadoptedtoexploretheinfluencingfactorsofthecouplingcoordination
                 degree.Theresultsshowthatthecouplingcoordinationbetweenthewatersubsystem,economysubsystem
                 andecologysubsystemoftheYangtzeRiverBasinhavebeenincreasingyearbyyear,buttheincreasing
                 trendvariedgreatlyamongdifferentsubsystems.Moreover,thecouplingcoordinationoftheWEEsystem
                 showedaUshapedchangeinthewholearea ,withalocaltrendof“midstream < upstream < down
                 stream”.Inthemeantime,thelevelofspatialclusteringofWEEsystemcouplingandcoordinationkept
                 increasingandthelocalspatialcorrelationhasbeenimprovingyearbyyear.So,themaininfluencing

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