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:1672643X(2023)01006609
Temporalandspatialevolutioncharacteristicsandcouplingcoordinationof
waterresourcescarryingcapacityinGuanzhongregion
1
1
1
1
2
JIAQiong,SONGXiaoyu,SONGShuhong,QINLin,LIUHui
(1.StateKeyLaboratoryofEcohydraulicsinNorthwestAridRegionofChina,Xi’anUniversityofTechnology,Xi’an
710048,China;2.ShaanxiHydrologyandWaterResourcesSurveyCenter,Xi’an710068,China)
Abstract:Inordertoclarifythecoordinationdegreeofwaterresourcesandregionaldevelopmentin
Guanzhongregion ,thequantitativeevaluationandcomprehensiveanalysisofthespatiotemporalevolution
ofthewaterresourcescarryingcapacityandthecouplingcoordinationdegreeofthesubsystemsofwater
resources ,society,economyandecologicalenvironmentinGuanzhongregionfrom2010to2019were
carriedoutusingvariableparameterfuzzyevaluationmodel,spatialautocorrelationanalysisandcoupling
coordinationdevelopmentmodel.Theresultsshow thatthecarryingcapacityofwaterresourcesin
GuanzhongregionshowedanfluctuatedupwardtrendwithanMshapedcurve ,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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