Retrieval of aerosol properties and water-leaving reflectance from multi-angular polarimetric measurements over coastal waters
MetadataShow full item record
Type of Work22 pages
Citation of Original PublicationMeng Gao, Peng-Wang Zhai, Bryan Franz, Yongxiang Hu, Kirk Knobelspiesse, P. Jeremy Werdell, Amir Ibrahim, Feng Xu, and Brian Cairns, "Retrieval of aerosol properties and water-leaving reflectance from multi-angular polarimetric measurements over coastal waters," Opt. Express 26, 8968-8989 (2018)
RightsThis item may be protected under Title 17 of the U.S. Copyright Law. It is made available by UMBC for non-commercial research and education. For permission to publish or reproduce, please contact the author.
Subjectsocean color remote sensing
water quality monitoring
biogeochemical conditions of ocean
research algorithm on aerosol and ocean color retrieval
coupled atmosphere and ocean radiative transfer model
Ocean color remote sensing is an important tool to monitor water quality and biogeochemical conditions of ocean. Atmospheric correction, which obtains water-leaving radiance from the total radiance measured by satellite-borne or airborne sensors, remains a challenging task for coastal waters due to the complex optical properties of aerosols and ocean waters. In this paper, we report a research algorithm on aerosol and ocean color retrieval with emphasis on coastal waters, which uses coupled atmosphere and ocean radiative transfer model to fit polarized radiance measurements at multiple viewing angles and multiple wavelengths. Ocean optical properties are characterized by a generalized bio-optical model with direct accounting for the absorption and scattering of phytoplankton, colored dissolved organic matter (CDOM) and non-algal particles (NAP). Our retrieval algorithm can accurately determine the water-leaving radiance and aerosol properties for coastal waters, and may be used to improve the atmospheric correction when apply to a hyperspectral ocean color instrument.
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