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内陆水体CDOM光学特性与遥感反演研究进展 Title:ResearchProgressonOpticalCharacteristicsandRemoteSensingInversionofCDOMinInlandWaterBodies Abstract: ColoredDissolvedOrganicMatter(CDOM)playsasignificantroleintheecosystemsofinlandwaterbodies.MonitoringandunderstandingtheopticalcharacteristicsofCDOMiscrucialfortheassessmentandmanagementofwaterquality.RemotesensingtechnologyhasemergedasapowerfultoolformonitoringCDOMininlandwaterbodiesduetoitsefficiencyandlarge-scalecoverage.ThispaperprovidesanoverviewoftheresearchprogressonCDOMopticalcharacteristicsandremotesensinginversionininlandwaterbodies.ItdiscussesthefactorsinfluencingCDOMopticalproperties,theremotesensingmethodsusedforCDOMinversion,andthechallengesandfuturedirectionsofCDOMremotesensingininlandwaterbodies. 1.Introduction 1.1BriefintroductiontoCDOMininlandwaterbodies 1.2ImportanceofstudyingCDOMopticalcharacteristics 2.CDOMOpticalCharacteristicsinInlandWaterBodies 2.1FactorsinfluencingCDOMopticalproperties 2.1.1SourcesofCDOMininlandwaterbodies 2.1.2EnvironmentalfactorsinfluencingCDOMopticalproperties 3.RemoteSensingofCDOMinInlandWaterBodies 3.1OpticalremotesensingofCDOM 3.1.1PrinciplesofCDOMremotesensing 3.1.2RemotesensingdatausedforCDOMestimation 4.RemoteSensingMethodsforCDOMInversion 4.1Empiricalalgorithms 4.1.1Singlebandempiricalalgorithms 4.1.2Multibandempiricalalgorithms 4.2Spectralinversionmethods 4.2.1Radiativetransfermodels 4.2.2Spectralslopeimbalancesmethod 5.ChallengesandFutureDirections 5.1ChallengesinCDOMremotesensinginversion 5.1.1Atmosphericcorrection 5.1.2Influenceofotherwaterconstituents 5.2FuturedirectionsforCDOMremotesensingresearch 5.2.1Integrationofhyperspectralremotesensingdata 5.2.2Developmentofadvancedinversionalgorithms 6.Conclusion Inlandwaterbodiesareessentialresourcesthatprovidevariousecosystemservices.TheopticalcharacteristicsofCDOMinthesewaterbodieshaveasignificantimpactonwaterquality,biogeochemicalprocesses,andaquaticlife.RemotesensingtechnologyhasshowngreatpotentialinmappingCDOMconcentrationsininlandwater