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2001—2017年哈尔滨市建设用地扩张时空特征分析.docx

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2001—2017年哈尔滨市建设用地扩张时空特征分析 Title:SpatialandTemporalAnalysisofConstructionLandExpansioninHarbinCity:2001-2017 Abstract: ThispaperaimstoanalyzethespatialandtemporalcharacteristicsofconstructionlandexpansioninHarbinCityfrom2001to2017.ThestudyutilizesremotesensingdataandGeographicInformationSystem(GIS)techniquestoobtainaccurateandreliableinformationregardingtheexpansionofconstructionlandinHarbinCityduringthespecifiedperiod.Theresultsrevealkeyfindingsrelatedtotheextent,direction,andfactorsdrivingtheexpansion,whichcancontributetourbanplanningandsustainabledevelopmentinHarbinCity. 1.Introduction: RapidurbanizationandeconomicdevelopmenthaveledtosignificantlandexpansioninmanyChinesecities,includingHarbin.Understandingthespatialandtemporalfeaturesofconstructionlandexpansioniscrucialforeffectiveurbanplanningandresourcemanagement.ThispaperprovidesacomprehensiveanalysisofHarbinCity'sconstructionlandexpansionfrom2001to2017,highlightingthesignificantchangesandfactorsthathaveinfluencedthisexpansion. 2.Methodology: 2.1DataCollection: Remotesensingimagery,includingsatelliteimagesfromLandsatseries,iscollectedformultipleyearstocapturethechangesinconstructionlandovertime. 2.2ImageProcessingandLandClassification: Theremotesensingdataisprocessedusingimageclassificationtechniquestoidentifyandclassifyconstructionlandfromotherlandcovertypes.Thisclassificationisbasedonspectralsignaturesanddifferentiatesbetweenresidential,industrial,commercial,andotherconstructionlandcategories. 2.3GISAnalysis: GeographicInformationSystem(GIS)techniquesareappliedtoanalyzethespatialdistributionandland-usepatternsofconstructionlandinHarbinCityduringthestudyperiod.VariousGIStoolsandindicators,includinglandexpansionrate,fragmentationindex,andspatialautocorrelationanalysis,areemployedtodescribetheexpansionpatternsandtrends. 3.ResultsandDiscussion: 3.1ExtentofConstructionLandExpansion: TheexpansionofconstructionlandinHarbinCityfrom2001to2017hasbeensubstantial.Theareaofconstructionlandhasincreasedsignificantly,indica