Page 109 - 《水资源与水工程学报》2025年第1期
P. 109

!36 "!1 #                         & ' ( ) & * + , -                               Vol.36No.1
               2025 $ 2 %               JournalofWaterResources&WaterEngineering                 Feb.,2025

            DOI:10.11705/j.issn.1672-643X.2025.01.12


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                      Greendevelopmentthresholdeffectanditsspatialheterogeneity

                              from theperspectiveofwaterresourcesutilization :
                      AcasestudyofthreeurbanagglomerationsintheYangtzeRiverEconomicBelt

                                                        1
                                                                                  1
                                         1
                                                                                              2
                                                                     1
                           CHENYizhong,HEPengming,ZHANGSisi,LIUZiteng,PENGHe
                         (1.SchoolofEconomicsandManagement,HebeiUniversityofTechnology,Tianjin300401,China;
                            2.InstituteofCircularEconomy,BeijingUniversityofTechnology,Beijing100124,China)
                 Abstract:Clarifyingthespatialdifferentiationcharacteristicsandresponsemechanismofgreendevelop
                 mentisakeylinkinachievingthecoordinateddevelopmentofthreemajorurbanagglomerationsinthe
                 YangtzeRiverEconomicBelt (YREB).Thisstudyproposedacloudmodelbasedgreendevelopmente
                 valuationframeworkandawaterresourcesecologicalfootprintmodeltoexplorethespatial-temporal
                 characteristicsofgreendevelopmentandwaterresourcesutilizationpatterninthethreeurbanagglomera
                 tionsfrom2000to2025.Onthisbasis ,thethresholdeffectofindustrialagglomerationonregionalgreen
                 developmentanditsspatialheterogeneitywereinvestigatedfromtheperspectiveofwaterresourcesutiliza
                 tion ,anddifferentiateddevelopmentstrategieswerefurtherproposed.Theresultsshowedthatthegreen
                 developmentlevelofcitiesinthethreeurbanagglomerationsallreachedamoderatelevelandabove,ex
                 ceptSuiningandXiaogan.Waterresourcesecologicalfootprintpresentedanincreasingtrend ,andthe
                 proportionofsewagefootprintexhibitedaspatialpatternof “highintheeastandwestbutlowinthecen
                 ter ”e.Therewasalargespatialheterogeneityinthresholdeffectofgreendevelopmentlevelinthethree
                 urbanagglomerations ,andtheimpactofcoagglomerationongreendevelopmentoftheYREBcontinued
                                                                               2
                 toincrease.Whenwaterresourcesecologicalfootprintexceeded0.379hm /cap,theimpactofproducer
                 serviceagglomerationoftheChengdu-Chongqingurbanagglomerationhasaninhibitoryeffectongreen

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