Page 70 - 《水资源与水工程学报》2023年第1期
P. 70

!34 " ! 1 #                       & ' ( ) & * + , -                               Vol.34No.1
               2023 $ 2 %               JournalofWaterResources&WaterEngineering                 Feb.,2023

            DOI:10.11705/j.issn.1672-643X.2023.01.08


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                 FGHIJ:TV213.4   KLMNO:A    KPQJ:1672643X(2023)01006609
               Temporalandspatialevolutioncharacteristicsandcouplingcoordinationof
                           waterresourcescarryingcapacityinGuanzhongregion


                                                                                 1
                                                                                           1
                                      1
                                                      1
                                                                       2
                             JIAQiong,SONGXiaoyu,SONGShuhong,QINLin,LIUHui
                  (1.StateKeyLaboratoryofEcohydraulicsinNorthwestAridRegionofChina,Xi’anUniversityofTechnology,Xi’an
                         710048,China;2.ShaanxiHydrologyandWaterResourcesSurveyCenter,Xi’an710068,China)
                 Abstract:Inordertoclarifythecoordinationdegreeofwaterresourcesandregionaldevelopmentin
                 Guanzhongregion ,thequantitativeevaluationandcomprehensiveanalysisofthespatiotemporalevolution
                 ofthewaterresourcescarryingcapacityandthecouplingcoordinationdegreeofthesubsystemsofwater
                 resources ,society,economyandecologicalenvironmentinGuanzhongregionfrom2010to2019were
                 carriedoutusingvariableparameterfuzzyevaluationmodel,spatialautocorrelationanalysisandcoupling
                 coordinationdevelopmentmodel.Theresultsshow thatthecarryingcapacityofwaterresourcesin
                 GuanzhongregionshowedanfluctuatedupwardtrendwithanMshapedcurve ,allthecitieswereata
                 criticalstateofgrade Ⅲ.Thecarryingcapacityofsocity,economyandecologicalenvironmentdifferenti
                 atedgreatly ,andthewaterresourcessubsystemlagedbehindandfluctuateddownward.Thespatialdistri
                 butionofwaterresourcescarryingcapacitywascharacterizedby“stronginthesouthandweakinthe
                 north ”,andmostcitieswereincriticalorweakstate.Thespatialdifferenceincreasedwithfluctuations
                 andchangedfrominsignificanttosignificantwith2018astheturningpoint.Amongthecities,Xianyang
                 andWeinanhadlowwaterresourcescarryingcapacity ,whichwascausedbyseriouswaterpollutionand
                 lowwaterresourcesutilizationefficiency,respectively.Thecouplingandcoordinationdegreeofwaterre
                 sources,society,economyandecologicalenvironmentshowedafluctuatingupwardtrend,withagrowth

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