Page 101 - 《水资源与水工程学报》2022年第4期
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!33 " ! 4 #                       & ' ( ) & * + , -                               Vol.33No.4
               2022 $ 8 %               JournalofWaterResources&WaterEngineering                 Aug.,2022

            DOI:10.11705/j.issn.1672-643X.2022.04.14


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                      Spatialtemporalevolutioncharacteristicsanddrivingfactorsof
                           urbanwaterconsumptioninYangtzeRiverDeltaUrban
                                  Agglomerationbasedonnighttimelightdata


                               FENGXiaowei,FANLiangxin,WANGBaoshan,LIChangchun
                    (SchoolofSurveyingandLandInformationEngineering,HenanPolytechnicUniversity,Jiaozuo454003,China)
                 Abstract:Itisofgreatsignificancefortherationalplanningofregionalwaterresourcestoanalyzethe
                 spatialtemporalevolutioncharacteristicsanddrivingfactorsofurbanwaterconsumptiononamorede
                 tailedscale.Basedonnighttimelightdataandwaterconsumptiondata ,weestablishedaspatialmodelof
                 urbanwaterconsumption ,andstudiedthespatialtemporalevolutioncharacteristicsanddrivingfactorsof
                 urbanwaterconsumptionintheYangtzeRiverDeltaUrbanAgglomerationusingstandarddeviationel
                 lipse ,spatialautocorrelationanalysis,Geodetectorandfactoranalysismethods.Theresultsshowthat
                 from2000to2018 ,thespatialdistributionofurbanwaterconsumptionintheYangtzeRiverDeltaUrban
                 Agglomerationgraduallychangedfromthe“east-west”directionto“northwest-southeast”direction,
                 andthecenterofgravityshiftedtothesoutheastasawhole.Thecountyscalewaterconsumptionofthe
                 YangtzeRiverDeltaUrbanAgglomerationshowedasignificantpositivespatialcorrelation.Thehighvalue
                 clusteredareasmainlydistributedinthecentralregion ,whereasthelowvalueclusteredareasscatteredin
                 themarginalregion.Theurbaneconomicdevelopmentlevelreflectedbypopulation,comprehensivewater
                 supplycapacity,builtupareaandGDPwasthedominantfactorinthespatialtemporalevolutionofurban
                 waterconsumptionintheYangtzeRiverDeltaUrbanAgglomeration ,andprice,industrialstructureand
                 waterconservationmeasuresareimportantfactors.TheYangtzeRiverDeltaUrbanAgglomerationshould
                 focusonthecoordinateddevelopmentofinternalcities ,deepenwaterpricereform,optimizetheindustrial

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