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基于列车时刻表的长江中游城市群空间联系格局变化研究.docx

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基于列车时刻表的长江中游城市群空间联系格局变化研究 Title:SpatialConnectivityPatternsintheYangtzeRiverMiddleReachCityCluster:AStudyBasedonTrainTimetables Abstract: TheYangtzeRiverMiddleReachCityClusterisoneofChina'skeyurbanagglomerationsandplaysasignificantroleinthenationaleconomy.Thespatialconnectivitywithinthiscluster,shapedbytransportationnetworks,iscrucialfortheintegrateddevelopmentoftheregion.ThisresearchaimstoinvestigatethedynamicsandvariationofthespatialconnectivitypatternsintheYangtzeRiverMiddleReachCityClusterbasedontraintimetables.Thefindingsprovidevaluableinsightsforpolicymakersandurbanplannersinpromotingregionalintegrationandsustainabledevelopment. 1.Introduction TheYangtzeRiverMiddleReachCityClusterconsistsofmultiplecities,includingWuhan,Chengdu,Chongqing,andseveralothers.Thesecitiesareconnectedbyacomprehensivetransportationnetwork,primarilyconsistingofrailways.Understandingthespatialconnectivitypatternsofthisclusterisvitalforpromotingregionalintegration,urbanplanning,andeconomicdevelopment. 2.Methodology ThisstudyutilizestraintimetablesasthebasisforanalyzingthespatialconnectivityoftheYangtzeRiverMiddleReachCityCluster.Themethodologycomprisesthreemainsteps.Firstly,alltrainstationswithinthisclusterareidentifiedandmapped.Secondly,thetraintimetabledata,includingtrainroutes,frequencies,andtraveltimes,arecompiled.Lastly,aseriesofspatialconnectivitymetrics,suchascentralityandaccessibilitymeasures,arecalculatedandanalyzed. 3.ResultsandAnalysis TheanalysisoftraintimetablesrevealsdynamicchangesinthespatialconnectivitypatternswithintheYangtzeRiverMiddleReachCityClusterovertime.Severalkeyfindingscanbehighlighted.Firstly,thecentralityanalysisindicatesthatWuhanplaysacrucialroleasthemaintransportationhubwithinthecluster.ChengduandChongqingalsoexhibitconsiderablecentralityduetotheirstrategiclocationsandextensiverailwayconnections.Secondly,accessibilitymeasuresdemonstratethatcitiessuchasWuhan,Yichang,andChongqingpossesshighaccessibility,linkingthemeffectivelytoothercitieswithinthecluster.Thesec