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Page 1: A MERIS 7‰. gij–†abahnykx.com/upload/2017-11/2017110236631717.pdf · 2017-11-02 · A\ MERIS]^7‰._‘gij–†ab!34,!56 (‰m\þy&Ayœyz’¶&’,=>‰m 210003)

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RetrievalInvestigationofChlorophyllaConcentrationinTaihuLakeEmployingMERISRemoteSensingImageWANGGenshen,WANGDeyu (CollegeofTelecommunications&InformationEngineering,NanjingUniversityofPostsandTelecommunications,Nanjing,Jiangsu210003)Abstract Anovelindex,normalizeddifferencechlorophyllindex(NDCI)wasintroducedinthisstudytoinvertthechlorophylla(Chl.a)concentrationformMERISremotesensingimageandthedataofwaterqualityparametersofTaihuLake,andtheinversionresultswereverifiedandanalyzed.TheinversionresultsshowedthatnormalizedDifferencechlorophyllIndexcouldaccuratelyreflectthechlorophyllaconcentrationintheTaihuLake,thecoefficientofdecisionwas0.8812,whichwasbetterthantraditionalempiricalmodel,andprovidedareferenceforthemoreaccurateinversionofchlorophyllaconcentrationininlandwater.Keywords MERISremotesensingimage;Chlorophylla;NDCI;TaihuLake

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[5]LECF,LIYM,ZHAY,etal.Afourbandsemianalyticalmodelforestimatingchlorophyllainhighlyturbidlakes:ThecaseofTaihuLake,China[J].Remotesensingofenvironment,2009,113(6):1175-1182.

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