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 Wysłany: Śro 15:11, 30 Mar 2011 Temat postu: oakley sunglasses 基于陆&# |
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基于陆面过程模式的热红外卫星遥感影像模拟
BinDYanGuangjianDDuanSibo’LiZhaoliang1'2’(1)SchoolofGeographyandRemoteSensingScience，StateKeyLaboratoryofRemoteSensingScience，JointlySponsoredbyBeijingNormaIUniversityandtheInstituteofRemoteSensingApplicationsofChineseAcademyofSciences；BeijingKeyLaboratoryofEn~mmentalRemoteSensingandCityDigitalization，BeijingNormalUniversity：100875,[link widoczny dla zalogowanych]，Beijing,[link widoczny dla zalogowanych]，China；2)InstituteofGeographicSciencesandNaturaIResourcesResearch，100101，Beijing，China)AbstractThecombinationofremotesensingwiththemeteorologyandclimatologymakesgreatprogressinrecentyears．ThekeypointofthecombinationistoestablishtherelationshipbetweenCLMandtheremotesensingdata．OneimportantwayistosimulatesatelliteremotesensingimagesusingtheoutputofCLIVEItisalsohelpfultoimproveCLMitself．ThispaperreportsthesimulationofthermalradiationofremotesensingsystemsbasedontheCLMandNCEPreanalyzeddata．TheresultshowsthatthesimulationofthermalimagesisdeterminedbythesurfacetemperaturebasedonCLM，andthecorrelationcoefficientbetweenthedirectionalthermalradiationfromgroundsurfaceandtheeffectivebrightnesstemperatureofsimulationreaches0．996．However,[link widoczny dla zalogowanych]，thebiggesttemperaturedifferencebetweenrealAVHRRimagesandsimulationsislargerthan30K,[link widoczny dla zalogowanych]，whilemostoftemperaturedifferenceisrangingfrom一10Kto+10K．TheeffectivebrightnesstemperatureofsimulationisobviouslylowerthanthatofrealAVHRRimagewhereDEMisabout5000Il1．ThemainreasonisprobablythelowerbrightnesstemperaturefromCLMathigherelevation．Keywordscommonlandmodel(CLM)；lookup-table；simulation,[link widoczny dla zalogowanych]；remotesensing；thermalinfrared；atmosphericprofile
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