Simultaneous retrieval of aerosols and in-water constituents in turbid coastal waters using multi- and hyperspectral data

Hans Arthur Eide; Wei Li; Knut Stamnes; Robert Spurr; Jakob J. Stamnes

doi:10.1117/12.565450

16 November 2004 Simultaneous retrieval of aerosols and in-water constituents in turbid coastal waters using multi- and hyperspectral data

Hans Arthur Eide, Wei Li, Knut Stamnes, Robert Spurr, Jakob J. Stamnes

Author Affiliations +

Proceedings Volume 5569, Remote Sensing of the Ocean and Sea Ice 2004; (2004) https://doi.org/10.1117/12.565450
Event: Remote Sensing, 2004, Maspalomas, Canary Islands, Spain

Abstract

A new method for simultaneous retrieval of aerosol properties and marine constituents in turbid waters is described. This method is an extension to turbid waters of an approach developed previously for simultaneous retrieval of aerosol properties and chlorophyll concentrations in clear waters. This extension is accomplished by employing near-infrared (NIR) channels not available on the SeaWiFS and MERIS instruments to help retrieve aerosol parameters over turbid waters. Optimal estimation theory is used to retrieve in-water parameters from multi- and hyperspectral information. Both forward and inverse modeling strategies will be discussed, as well as the uniqueness of the solutions, the information content available in multi- and hyperspectral data, and the error analysis approach. Our results indicate that it is important to use forward models that accurately treat the radiative transfer in the coupled (combined) atmosphere-ocean system, and to carefully select the most suitable bio-optical models for the in-water inherent optical properties (IOPs). Synthetic data, as well as multi- and hyperspectral images of data obtained over clear as well as turbid waters, are used to test the validity of the new retrieval approach.

Citation Download Citation

Hans Arthur Eide, Wei Li, Knut Stamnes, Robert Spurr, and Jakob J. Stamnes "Simultaneous retrieval of aerosols and in-water constituents in turbid coastal waters using multi- and hyperspectral data", Proc. SPIE 5569, Remote Sensing of the Ocean and Sea Ice 2004, (16 November 2004); https://doi.org/10.1117/12.565450

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