Page 54 - 《水资源与水工程学报》2023年第1期
P. 54

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

            DOI:10.11705/j.issn.1672-643X.2023.01.06


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                 FGHIJ:TV213.4   KLMNO:A    KPQJ:1672643X(2023)01005008
             Spatialstructureandfunctionmechanism ofwaterresourcescarryingcapacity
                closenessofcitiesalongthemiddleandlowerreachesoftheYellowRiver


                                                   1
                                                                               1
                                                                  2
                                         XIELeilei,XINGKaiyue,WEIYanjia
                       (1.SchoolofMathematicsandStatistics,NorthChinaUniversityofWaterResourcesandElectricPower,
                        Zhengzhou450046,China;2.SchoolofMathematics,SoutheastUniversity,Nanjing211189,China)
                 Abstract:Themethodofclosenessdegreewasusedtomeasurewaterresourcescarryingcapacityofcities
                 alongthemiddleandlowerreachesoftheYellowRiver,soastoinvestigatethespatialcharacteristicsand
                 functionmechanismofwaterresourcesclosenessdegree.Theresultsshowthatthecarryingcapacityofur
                 banwaterresourcesinthemiddleandlowerreachesoftheYellowRiverisgenerallylow ,resultinginthe
                 acutecontradictionbetweenthesupplyanddemandofurbanwaterresourcesinmostcitiesinthisarea ,
                 especiallytheonesinthelowerreaches.Fromtheperspectiveofspatialstructurecharacteristics,thewa
                 terresourcescarryingcapacityof31citiesalongtheYellowRiverpresentsspatialautocorrelationcharac
                 teristicsasawhole,andmostcitiesshownodifferentiationcharacteristics,exceptthatthereareafewhot
                 spotsinsomecitiesinthemiddlereachesofthebasinandsomelowlyingareasinsomecitiesinthelow
                 erreaches,especiallyinHenanProvince.Theanalysisofthespatialfunctionmechanismofurbanwater
                 resourcescarryingcapacityclosenessshowsthattheurbanwaterresourcescarryingcapacityinthemiddle
                 reachesofthebasinisaffectedbyfivefactors ,namely,drivingforce(D),pressure(P),state
                 (S),influence(I)andmanagement(M).Moreover,waterresourcesisinastateofspatialcompe
                 titionratherthanspatialcoordinateddevelopment ,duetothespatialsiphoneffectbetweencities.Howev
                 er,theurbanwaterresourcescarryingcapacityinthelowerreachesisonlyaffectedbyD,SandI.The
                 researchresultscanprovidesomereferenceforthedecisionmakingofstrengtheningwaterresourcesman

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