Page 46 - 《水资源与水工程学报》2024年第6期
P. 46

!35 "!6 #                         & ' ( ) & * + , -                               Vol.35No.6
               2024 $ 12 %              JournalofWaterResources&WaterEngineering                 Dec.,2024

            DOI:10.11705/j.issn.1672-643X.2024.06.05


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                 3IJKL:P333   MNOPQ:A    MRSL:1672643X(2024)06004212
                   Temporalandspatialevolutioncharacteristicsanddrivingfactorsof

                     wateryieldinresourcebasedcities :AcasestudyofDaqingCity

                           DONGSichun,QIYuxin,LIUYizhuo,KONGWeiying,HUYuandong
                            (CollegeofLandscapeArchitecture,NortheastForestryUniversity,Harbin150040,China)
                 Abstract:DaqingCityisatypicalresourcebasedcity,itisofgreatsignificanceforthemanagementand
                 planningofregionalwaterresourcestoexplorethetemporalandspatialdifferencesofthewateryieldof
                 thecityanditsdrivingmechanism.ThisstudyemploystheInVESTmodeltoevaluatethewateryieldof
                 DaqingCityin2000 ,2010and2020,andanalyzesitstemporalandspatialevolutioncharacteristics.At
                 thesametime,theinfluenceofvariousdrivingfactorsonwateryieldanditsspatialdistributioncharacter
                 isticsareinvestigatedbyGeoDetecorandmultiscalegeographicallyweightedregressionmodels.There
                 sultsshowthatthewateryieldofDaqingCityincreasedyearbyyearfrom2000to2020.Fromspatialper
                 spective ,thewateryieldwashighinthesoutheastandlowinthenorthwest.Theactualevapotranspira
                 tionwasthekeyfactorleadingtothechangeofwateryield ,showingasignificantnegativeeffect.Fol
                 lowedbyprecipitation,whichhadasignificantpositiveeffectonwateryield.Generallyspeaking,the
                 temporalandspatialpatternofwateryieldinthestudyareahaschangedsignificantly ,andclimatechange
                 astheprincipleclrivingforceplayedakeyroleinthechangeofwateryield.
                 Keywords:wateryield;InVESTmodel;GeoDetector;multiscalegeographicallyweightedregression;
                 DaqingCity

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