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R I T Rochester Institute of Technology Simultaneous Retrieval of Atmospheric Parameters and Water Constituent Concentrations.

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Presentation on theme: "R I T Rochester Institute of Technology Simultaneous Retrieval of Atmospheric Parameters and Water Constituent Concentrations."— Presentation transcript:

1 R I T Rochester Institute of Technology Simultaneous Retrieval of Atmospheric Parameters and Water Constituent Concentrations

2 R I T Rochester Institute of Technology Approaches Approaches Atmospheric compensation approaches currently a separate pre-processing step – Model-based Empirical compensation (using HYDROLIGHT) – Model-base Atmospheric Models (TAFKAA) Similar approach implemented and tested by Chomko, Gordon, Maritorena, Siegel (2003) – Emphasized oceanic conditions » Assumption of no water upwelling for longer wavelengths – Garver-Siegel-Maritorena Model of IOPs from SeaBAM data set » Semi-analytic model » Optimized for CHL Data < 10 [mg/m^3] » Lack of particulate backscattering data

3 R I T Rochester Institute of Technology Sensor reaching reflectance Atmospheric Effects Water Effects MODTRAN( visibility, aerosol type ) HYDROLIGHT( CHL, TSS, CDOM )

4 R I T Rochester Institute of Technology Suspended Sediment HYDROLIGHT simulations

5 LUTs as a function of Aerosol Types … Types Number Density [TSS] [CDOM] [CHL]

6 R I T Rochester Institute of Technology Requirements IOP measurements in the NIR – Appropriately characterize suspended sediments Accurate Scattering Phase Functions – Laboratory measurements – Modeling through scattering codes

7 R I T Rochester Institute of Technology Plans for years 4 and 5 Complete Photon Mapping Model and test against a verification scene Implement simultaneous retrieval of atmospheric parameters and constituent concentrations – MODTRAN – HYDROLIGHT

8 R I T Rochester Institute of Technology Target Publications Remote Sensing of Environment Applied Optics Journal of Great Lakes Research / Journal of Coastal Research Journal of Geophysical Research


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