Page 66 - 《水资源与水工程学报》2022年第5期
P. 66

! 33 " ! 5 #                      & ' ( ) & * + , -                               Vol.33No.5
               2022 $ 10 %              JournalofWaterResources&WaterEngineering                 Oct.,2022

            DOI:10.11705/j.issn.1672-643X.2022.05.08


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                 HIJKL:TV213   MNOPQ:A    MRSL:1672643X(2022)05006210
               System dynamicssimulationanalysisofwaterresourcescarryingcapacityin

                          XinyuCityundertherigidconstraintofwaterresources

                                           1,2
                                                                         2
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                                   XIAOJie ,WENTianfu      1,3,4 ,CAIFulin,LIUXin
                 (1.JiangxiAcademyofWaterScienceandEngineering,Nanchang330029,China;2.CollegeofWaterConservancyand
                    HydropowerEngineering ,HohaiUniversity,Nanjing210024,China;3.ResearchCenterforWaterResourcesand
                      EcologicalEnvironmentofPoyangLake ,MinistryofWaterResources,Nanchang330029,China;4.Jiangxi
                      ProvincialKeyLaboratoryofWaterResourcesandEnvironmentofPoyangLake,Nanchang330029,China)

                 Abstract:Strengtheningtherigidconstraintofwaterresourcescaneffectivelyimprovetheperformanceof
                 waterresourcesintheregionalsocioeconomicdevelopment.TakingXinyuCityasanexample ,asystem
                 dynamicssimulationmodelfortherigidconstraintrequirementsofwaterresourcesisestablishedconsider
                 inglocalindustrialcharacteristics ,thenitisusedtopredictthechangingprocessoflocalwaterresources
                 carryingcapacityfrom2020to2035underfourschemes(i.e.thecurrentsituation,theeconomicdevel
                 opment,theresourceconservation,therigidconstraint).Theresultsshowthat,undertheschemeofrig
                 idconstraintofwaterresources ,theefficientwaterutilizationofindustriesareemphasized,especiallyin
                 dustrieswithhighwaterpollutionandconsumptionsuchassteelandphotovoltaic,andthesupply-de
                 mandratioofwaterresourceswillbe1.03in2035,whilethepollutionratioofbothCODandammonia
                 nitrogenwillbegreaterthan1.By2035,thecarryingcapacityoftotalpopulationandGDPinXinyuCity
                                   6
                                                  9
                 canreach1.302×10 and557.86×10 yuan,respectively.Inthispaper,withthehelpofthesystem
                 dynamicsmodel,therigidconstraintschemewhichconsidersthewaterefficiencyandsocioeconomicde
                 velopmentcanrealizethebalancebetweenregionalwatersupplyanddemandwithmaximizedcarryingca
                 pacityofwaterresources.Thisstudyaimstoprovideaneffectivesupportfortheimplementationofthe

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