Page 34 - 《水资源与水工程学报》2023年第1期
P. 34

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

            DOI:10.11705/j.issn.1672-643X.2023.01.04


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                  AssessmentofsustainableutilizationlevelofwaterresourcesinHenan
                        Provincebasedonathreedimensionalwaterfootprintmodel


                                              1,2
                                                                                    3
                                                                       3
                                                        1,2
                                    GANRong ,LIYini ,YANGFeng,ZHAIYong
                (1.SchoolofWaterConservancyEngineering,ZhengzhouUniversity,Zhengzhou450001,China;2.HenanKeyLaboratoryof
                     GroundwaterPollutionPreventionandRehabilitation,Zhengzhou450001,China;3.HenanAdministrationof
                                      ChushandianReservoirConstruction ,Xinyang464043,China)
                 Abstract:Basedonathreedimensionalwaterecologicalfootprintmodel,anindexevaluationsystemof
                 sustainableutilizationofwaterresourceswasconstructedwithfourindexes ,includingwaterecological
                 deficitsandsurplus ,waterpressureindex,waterresourcesintensiveuseindexandwaterresourcessus
                 tainableindex.Then ,thesustainableutilizationlevelofwaterresourcesinHenanProvincewasanalyzed
                 from spatialandtemporalperspectives ,andthedrivingfactorsofwaterfootprintchangewasalsodis
                 cussedusinglogarithmicmeanDivisiaindexanalysis.TheresultsshowthatthewaterfootprintofHenan
                 Provincefromlargesttosmallestisproductionwaterecologicalfootprint ,domesticwaterecologicalfoot
                 printandecologicalwaterecologicalfootprint,andthewaterfootprintdepthofthecitiesineasternHenan
                 andcentralHenanislarger.Moreover ,theoverallsustainableutilizationofwaterresourcesinHenan
                 Provinceispoor ,amongwhichthecitiesinnorthHenanandcentralHenanhavetheworstperformance.
                 Economicscaleeffectandpopulationscaleeffecthaveapositivedrivinginfluenceonthechangesofwater
                 footprint ,whereasintensityefficiencyeffectofwaterfootprintandwaterresourcescarryingcapacityeffect
                 haveanegativedrivinginfluence.
                 Keywords:waterresourcescarryingcapacity;threedimensionalwaterfootprintmodel;sustainableuti
                 lizationofwaterresources ;logarithmicmeanDivisiaindex(LMDI);HenanProvince


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