Page 18 - 《水资源与水工程学报》2022年第4期
P. 18

!33 " ! 4 #                       & ' ( ) & * + , -                               Vol.33No.4
               2022 $ 8 %               JournalofWaterResources&WaterEngineering                 Aug.,2022

            DOI:10.11705/j.issn.1672-643X.2022.04.03


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                    Couplingandspatialcorrelationofwater-energy-foodsystem of
                                prefecturelevelcitiesintheYellowRiverBasin


                                                ZHAOLiangshi,LIUSijia
                (CenterforStudiesofMarineEconomyandSustainableDevelopment,LiaoningNormalUniversity,Dalian116029,China)
                 Abstract:TheYellowRiverBasinbearstheheavyresponsibilityofnationalenergyandfoodproduction
                 withscarcewaterresources.Underthebackgroundoflimitedresourcesyeteverexpandingdemand,we
                 exploredthepressureandchallengesfacedbythesustainabledevelopmentoftheYellowRiverBasin,
                 whicharebroughtuponbythespatialmismatchofwater-energy-foodresources,inthehopeofprovi
                 dingascientificbasisandreferenceforthehighqualitydevelopmentofthebasin ,aswellasthenational
                 andregionalcoordinateddevelopmentstrategy.Basedonthemesoscaleperspective ,thecomprehensive
                 evaluationframeworkofwater-energy-foodsystemintheprefecturelevelcitiesintheYellowRiverBa
                 sinisconstructedtoanalyzethecouplingandcoordinateddevelopmentlevelandspatialcorrelationchar
                 acteristicsofwater-energy-foodsysteminprefecturelevelcitiesintheYellowRiverBasin.Theresults
                 showthatfrom2000to2018 ,thecouplingcoordinationdegreeofwater-energy-foodsystemofthepre
                 fecturelevelcitiesinthebasinevolvedfrom primarycoordinationtointermediatecoordination ,butthe
                 coordinateddevelopmentwasinsufficientlyunstable.By2018 ,thedegreeofsystemcouplingandcoordi
                 nationshowedadownwardtrend.Inmostyears,thesystemcouplingcoordinationdegreeshowedsignifi
                 cantspatialcorrelationcharacteristics.Fromtheperspectiveoftheprefecturelevelcities ,theresearchon
                 water-energy-foodsystemismoreregionallytargeted,anditiseasiertohighlighttheindividualchar
                 acteristicsofsystemdevelopmentatthemesoscale.Furtherstudyshouldbeconductedontheinfluencing
                 mechanismofthespatialcorrelationofwater-energy-foodsystem ,andthedeconstructionofthedy

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