Page 13 - 《水资源与水工程学报》2025年第2期
P. 13

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

            DOI:10.11705/j.issn.1672-643X.2025.02.02


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                FGHIJ:X171.1   KLMNO:A    KPQJ:1672643X(2025)02000910
                             Spatialdistributioncharacteristicsandpredictionof

                                      wetlanddegradationinBaodingCity

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                              LUChunhui,RONGShujie,YANGJie,XIEYifan,YEYu,
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                                        SHENChengji,XUTeng,NANTongchao
                     (1.CollegeofHydrologyandWaterResources,HohaiUniversity,Nanjing210098,China;2.CollegeofWater
                     ConservancyandHydropowerEngineering,HohaiUniversity,Nanjing210098,China;3.CollegeofHarbour,
                        CoastalandOffshoreEngineering,HohaiUniversity,Nanjing210098,China;4.YangtzeInstitutefor
                                  ConservationandDevelopment ,HohaiUniversity,Nanjing210098,China)
                Abstract:GroundwateroverexploitationinNorthChinaPlainhaveintensifiedwetlanddegradation.Toi
                dentifythedegradationsituationinBaodingCity ,weanalyzedthedistributionandchangesofwetlandsu
                singGIStechnologybasedonthelandusedataof2000,2005,2010,2015,and2020.Additionally,a
                MarkovmodelwasconstructedbyPythontosimulatethewetlandevolutioninthestudyareain2025,un
                derthescenariosofnaturalevolution,intensifiedgroundwateroverexploitationandnaturalrecharge.Pre
                dictionanalysiswasdulyconductedbasedonthesimulatedevolutiontrends.Theresultssuggestthatthe
                totalareaofwetlandsshowedadecreasingtrendfrom2000to2010 ,indicatingaseverewetlanddegrada
                tioninthestudyarea.Then,itbegantoincreasefrom2010to2020,suggestingamitigationofwetland
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                degradation.By2025,thewetlandareainthestudyareaisprojectedtoincreaseby16.23km underthe
                scenarioofnaturalevolution;however,thedegradationremainssevereinAnxinCounty,FupingCounty,
                QuyangCounty,andTangCounty.Underthescenarioofintensifiedgroundwateroverexploitation,the
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                wetlandareaisexpectedtodecreaseby13.94km,withsignificantwetlanddegradationdistributinginthe
                peripheryofextractionsites.Conversely,underthescenarioofnaturalrecharge,thewetlandareawillin

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