Page 12 - 《水资源与水工程学报》2022年第1期
P. 12
!33 " ! 1 # & ' ( ) & * + , - Vol.33No.1
2022 $ 2 % JournalofWaterResources&WaterEngineering Feb.,2022
DOI:10.11705/j.issn.1672-643X.2022.01.02
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BCDEF:TV211.1;TV121 GHIJK:A GLMF:1672643X(2022)01000807
Evolutionlawandspatialdistributionofwaterusestructureinthe
YellowRiverBasinbasedoninformationentropy
1,2
1,2
1
1,2
ZHENGXiaokang ,PENGShaoming ,WANGYu,JIANGGuiqin
(1.YellowRiverEngineeringConsultingCo.,Ltd.,Zhengzhou450003,China;2.KeyLaboratoryofWaterManagementand
WaterSecurityforYellowRiverBasin ,MinistryofWaterResources(underconstruction),Zhengzhou450003,China)
Abstract:ThecontradictionbetweensupplyanddemandofwaterresourcesintheYellowRiverBasinis
prominent ,inordertocoordinatetherelationshipbetweenwaterresourcesandeconomicandsocialdevelop
mentinthisarea ,accordingtowaterusedataintheYellowRiverBasinWaterResourcesBulletinfrom
1988to2019,theinformationentropymethodwasusedtoanalyzetheevolutionlawandspatialdistribution
ofwaterusestructureintheYellowRiverBasininthepast30years.Theresultsshowthatthetotalwater
consumptionintheYellowRiverBasinhasshownatwostagechangefrom1988-2019 ,whichgenerally
showedatrendofdecreasingfirstandthenincreasing.Theinformationentropyofwaterusestructure
showedacontinuousgrowthtrend,whichincreasedfrom0.6in1988to1.2in2019,indicatingthatthee
volutionofwaterusestructureoftheYellowRiverBasinwasbeneficialtothedevelopmentofeconomyand
society.Fromtheperspectiveofthespatialdistributionofwaterusestructure ,theinformationentropyand
equilibriumofwaterusestructureinSichuan ,ShaanxiandShanxiProvincewererelativelyhigh,theirmean
valueswereabove1.2and0.6respectively ;whereastherationalityofwaterusestructureinNingxiaHui
AutonomousRegion ,InnerMongoliaAutonomousRegionandShandongProvincewasatapoorlevelinthe
YellowRiverBasin ,themeanvaluesofinformationentropyandequilibriumofwaterusestructureswerebe
low0.9and0.5respectively.Intermsofthetemporalevolutionofwaterusestructure ,theinformationen
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