Page 175 - 《水资源与水工程学报》2025年第2期
P. 175

!36 "!2 #                         & ' ( ) & * + , -                               Vol.36No.2
               2025 $ 4 %               JournalofWaterResources&WaterEngineering                 Apr.,2025

            DOI:10.11705/j.issn.1672-643X.2025.02.20


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                 FGHIJ:F323.21   KLMNO:A    KPQJ:1672643X(2025)02017110

                    Spatial-temporalevolutionofagriculturalwateruseintensityand
                            itsreboundeffectintheYangtzeRiverEconomicBelt

                                            1
                                                                        2
                                                                                        1
                                                          1
                                QINZhaohui,PANZheng,DINGZhiguo,TIANHongyu
                        (1.CollegeofEconomicsandManagement,ChinaThreeGorgesUniversity,Yichang443002,China;
                             2.SchoolofBusinessandManagement,JilinUniversity,Changchun130012,China)
                 Abstract:Tocontrolthetotalamountofagriculturalwateruseandenhanceitsefficiency,weanalyzed
                 thevariationsinagriculturalwateruseintensityanditsreboundeffect.Basedontheprovincialpaneldata
                 oftheYangtzeRiverEconomicBelt (YREB)from2004and2022,thespatial-temporalevolutionofag
                 riculturalwateruseintensitywasanalyzedbykerneldensityfunction.Meanwhile,thereboundeffectwas
                 calculatedandevaluatedaccordingtothestandardsforagriculturalwaterreboundeffects.Thefindings
                 indicatethattheaverageagriculturalwateruseintensityintheYREBshowedadecliningpattern ,with
                 thewaterintensityfromlowtohighfollowingtheorderoftheupstream ,midstream,anddownstream.In
                 termsofspatialdistribution,theunevenmultiwavepeakdistributionofagriculturalwateruseintensityin
                 theYREBgraduallychangedtothreewavepeakdistribution,andthedifferencesbetweenprovincesand
                 citiesnarrowed.Affectedbyagriculturaltechnologicaladvancementsandotherfactors,allprovincesand
                 citiesintheYREBexperiencedarelativelyhighdegreeofagriculturalwaterreboundeffect ,indicatinga
                 failedattemptincontrollingthetotalagriculturalwateruse.Therefore ,itisnecessarytoacceleratethe
                 innovation,developmentandpromotionofagriculturalwatersavingtechnologies,andreducewaterre
                 boundeffectfrombothpolicymakingandtechnologyinnovationperspectives,soastoachievethegoalof
                 consumptionreductionandefficiencyenhancementofagriculturalwater.
                 Keywords:agriculturalwateruseintensity;reboundeffect;totalagriculturalwateruse;agriculturalwa
                 tersavingtechnology ;theYangtzeRiverEconomicBelt


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