Page 81 - 《水资源与水工程学报》2025年第1期
P. 81
!36 "!1 # & ' ( ) & * + , - Vol.36No.1
2025 $ 2 % JournalofWaterResources&WaterEngineering Feb.,2025
DOI:10.11705/j.issn.1672-643X.2025.01.09
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BC<DE:TV213.4 FGHIJ:A FKLE:1672643X(2025)01007711
Spatiotemporalevolutionofvulnerabilityofwaterresourcessystem
inGuangdongProvince
1
2,3
XIEYuying,LIUZhiyong
(1.FoshanBranchofGuangdongHydrologyBureau,Foshan528000,China;2.CenterforWaterResources
andEnvironment ,SchoolofCivilEngineering,SunYatsenUniversity,Guangzhou510275,China;
3.SouthernMarineScienceandEngineeringGuangdongLaboratory(Zhuhai),Zhuhai519082,China)
Abstract:Waterresourcesplayanessentialroleinsocioeconomicdevelopment,andtheevaluationof
waterresourcesvulnerabilityisconducivetoregionaldevelopmentandsustainableutilizationofwaterre
sources.Basedontheanalyticalframeworkofvulnerabilityscopingdiagram (VSD),wedevelopeda
compositewaterresourcesvulnerabilityevaluationsystemfromexposure ,sensitivityandadaptabilitydi
mensions.Subsequently ,acomprehensivespatiotemporalanalysisofwaterresourcesvulnerabilityin
GuangdongProvinceovertheperiodof2010-2022wascarriedoutbymeansoftrendanalysisandspatial
autocorrelationmethod.Theresultsshowthatwaterresourcesvulnerabilityshowedadistributionpattern
of “highinthesouthandcentral;lowinthenorth,eastandwest”.ThecoreregionofthePearlRiver
Deltapresentedthehighestlevelofwaterresourcesvulnerability ,followedbytheeastandwestGuang
dong;whereasthenorthGuangdongexbibitedthelowest.Inthestudyperiod,thewaterresourcesvulner
abilityofmostcitiesinGuangdongProvincehasdecreased ;whilethatofShenzhenhasincreased.The
waterresourcesvulnerabilityofGuangdongProvinceexhibitedapositivespatialautocorrelationandthere
wasastrengtheningtrendinspatialagglomeration.High-highclusteringareasweremainlydistributedin
thePearlRiverDeltaregion ,whilelow-lowclusteringareasinthenorthandwestGuangdong.This
studyclarifiedthedistributionpatternofwaterresourcesvulnerabilityinGuangdongProvince,soasto
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