基于归一化植被指数的城市热岛效应分析

35920129GEOMATICS＆SPATIALINFORMATIONTECHNOLOGYVol．35No．9Sept．20122012－01－0420090095110002410712732010QNA211987－、。1212121．2211162．221116。CBERSCCD、。CBERSTP75B1672－5867201209－0018－03TheAnalysisofUrbanHeatIslandEffectBasedonNormalizedVegetationIndexHANJing12DENGKa－zhong12FANHong－dong121．SchoolofEnvironmentalScienceandSurveyingandMappingChinaUniversityofMiningandTechnologyXuzhou221116China2．KeyLaboratoryofLandEnvironmentandDisasterMonitoringofStateBureauofSurveyingandMappingChinaUniversityofMiningandTechnologyXuzhou221116ChinaAbstractTheapplicationofvegetationindexmodelisbecomingwider．Normalizeddifferenceofvegetationindexisintroducedintotheassessmentofurbanheatislandeffectexploitingthefeatureoflandsurfacetemperatureretrievalthatitoppositesthenormalizeddifferenceofvegetationindexinspatialchangestrend．BasedonCBERSCCDremotesensingdatasourcethispaperestablishesdeci-siontreethroughthresholddivisionsandwaterbodyextractioncarriesoutquantitativeanalysisandoverallassessmentofurbanheatislandeffectsetupevaluationindexandprovidesbasisforthemonitormanagementandplanningofcityenvironment．KeywordsurbanheatislandeffectnormalizeddifferenceofvegetationindexCBERSdecisiontree01。12NOAA/AVHRR2。2005～20061100NOAA/AVHRR3。4。。SPOTLandsat。2015。。。1、、、。11258km211%963km219～45m5。22．1NDVI6。ND-VI、NDVI。NDVI7。。8NDVI=NIR－RNIR+R1NIRR。2．2NDVINDVI411MNDVIDNDVI。1Tab．1HeatislandeffectthresholddivisionM+D＜NDVIM＜NDVI＜M+DM－D＜NDVI＜MNDVI＜M－D2．3NDVI。NDVI。。。McfeeterssND-WI9NDWI=Green－NIRGreen+NIR2NIRGreen。NDWI10。M、D1。1Fig．1ThedecisiontreebasedonNDVI33．12001331、2005318CBERS－02CCD2008429CBERS－02BCCD。34。、。CBERSCCD。919。3．2MD2。2。2200120052008NDVIMDTab．2ThemeanMandstandarddeviationDofNDVIofthreeyears200120052008MDM－DM+D20010．1162660．0869820．0292840．20324820050．3439910．1444870．1995040．48847820080．1758930．1650630．0108300．3409562200120052008Fig．2Theclassificationimagesofthreeyears200120052008heatislandeffect2001200520083～5。32001Tab．3Theheatislandeffectdivisionsituation2001DN/%0．203248～∞+8657423．680．116266～0．2032487692421．040．029284～0．11626616274744．52∞～0．0292843932510．7642005Tab．4Theheatislandeffectdivisionsituation2005DN/%0．488478～∞+8685723．660．343991～0．4884787482820．470．199504～0．34399118685351．11∞～0．199504170334．6652008Tab．5Theheatislandeffectdivisionsituation2008DN/%0．340956～∞+161884．430．175893～0．3409569098624．890．010830～0．17589324805067．85∞～0．010830103462．833．313～52001～2008。1200110．76%20054.66%20082．83%。220012008。32005～2008。200120012205hm220054782hm2。02005“、、、、”2005“”。4200120052008。。。250220125Fig．5Thecurvelineofmineralspectrum4。。。。、、。。1．M．2001．2．J．200953－4．3．WorldView2EB/OL．http∥．world－view．org/．2010－04－19．4．J．20127250－251．5CrostaA．P．andMooreJ．MCM．EnhancementofLandsatThematicMapperimageryforresidualsoilmap-pinginSWMinasGeraisStateBrazilaprospectingcasehistoryingreenstonebeltterrainC∥Proceedingsofthe9thThematicConferenceonRemoteSensingforExplora-tionGeology．CalgaryEnvironmentalResearchInstituteofMichigan19891173－1187．6FraserSJ．Discriminationandidentificationofferricox-idesusingsatelliteThematicMapperdataANewmancasestudyJ．Int．J．RemoteSens．1991123645－641．7．M．1990．8．J．200357350－53．9．J．2009240－46．10SmithB．DA．E．McCafferty．Utilizationofairbornemag-neticelectromagneticandradiometricdatainabandonedminelandinvestigationsC∥ProceedingsoftheFifthIn-ternationalConferenceonAcidRockDrainage．Denvers．n．20001525－1530．20、。1．J．2006105789－797．2．J．200932710－13．3．NOAA/AVHRRJ．2008234414－418．4．J．2008125734－742．5．/J．2008133－35．6．J．20062651450－1460．7．J．2004206501－505．8．M．2006．9．MNDWIJ．200595589－595．10．CBERSJ．2008292－98．529