Page 95 - 《水资源与水工程学报》2023年第1期
P. 95

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

            DOI:10.11705/j.issn.1672-643X.2023.01.11


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                    Decouplingstateofwaterconsumptionandeconomicgrowthinthe

                                    PearlRiverDeltaanditsdrivingfactors

                                                   1,2
                                                                1,2
                                                                           1,2
                                            LIUYu ,ZHUJiwei ,LUNan
                          (1.StateKeyLaboratoryofEcohydraulicsinNorthwestAridRegionofChina,Xi’anUniversity
                           ofTechnology ,Xi’an710048,China;2.ResearchCenterofEcohydraulicsandSustainable
                             Development ,theNewStyleThinkTankofShaanxiUniversities,Xi’an710048,China)
                 Abstract:Alleviatingthedependenceofeconomicgrowthonwaterresourcesconsumptioniscrucialto
                 thesustainabledevelopmentofurbanagglomerations.TakingthePearlRiverDeltaUrbanAgglomeration
                 astheresearchobject ,wediscusseditswaterresourcesloadindexfrom theoverallandurbandimen
                 sions ,analyzedthetemporalandspatialcharacteristicsofthedecouplingbetweeneconomicgrowthand
                 waterconsumptionusingtheTapiodecouplingmodel,andexploredthedrivingeffectofinfluencingfac
                 torsbasedonLMDI.TheresultsshowthatthewaterresourcesloadofthePearlRiverDeltaUrbanAg
                 glomerationwasrelativelyhighduringthestudyperiod.ExceptZhaoqing,HuizhouandJiangmen,the
                 waterresourcesloadoftheothersixcitiesallreachedgradeV ;thestrongandweakdecouplingstatusof
                 thePearlRiverDeltaUrbanAgglomerationaccountedfor98.9%,someofthecitiesshowedanalterna
                 tingstateofstrongandweakdecoupling;technologicaleffect,industrialstructureandwatersavingca
                 pacitywerethemaindrivingfactorsforthedecouplingofthePearlRiverDeltaUrbanAgglomeration,
                 whereasthebenefitsofunitwaterresourcesandpopulationsizeinhibitedthedecoupling.Thisstudycan
                 provideatheoreticalsupportforalleviatingthedependenceofurbaneconomicgrowthonwaterresources
                 andrealizingregionalsustainabledevelopment.
                 Keywords:waterconsumption;economicgrowth;decouplingeffect;waterresourcesloadindex;loga

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