Statistics – Computation
Scientific paper
Sep 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007georl..3418601d&link_type=abstract
Geophysical Research Letters, Volume 34, Issue 18, CiteID L18601
Statistics
Computation
Oceanography: General: Ocean Optics (0649), Oceanography: General: Remote Sensing And Electromagnetic Processes (0689, 2487, 3285, 4455, 6934), Oceanography: General: General Or Miscellaneous, Computational Geophysics: Modeling (4255)
Scientific paper
Conversion between upwelling irradiance and radiance at the sea surface, essential for some aspects of remote sensing of ocean colour, requires knowledge of the Q factor. The Q factor depends on solar zenith angle, satellite viewing angle and the optical properties of the water. For simulated data for two fixed solar zenith angles, we express the Q factor as a function of total absorption and backscattering coefficients. The new parameterisation is used in an algorithm to retrieve total water backscattering from in situ ocean-colour data. The algorithm performs better than those in which the Q factor is expressed as a function of chlorophyll-a concentration alone.
Devred Emmanuel
Platt Trevor
Sathyendranath Shubha
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