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26 October 1994 Ocean source estimation using irradiance measurements at only one depth
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Proceedings Volume 2258, Ocean Optics XII; (1994)
Event: Ocean Optics XII, 1994, Bergen, Norway
A preliminary investigation is made of a method to estimate the spatial distribution of an optical source at a single wavelength in a spatially uniform seawater of known absorption and scattering properties. The source at the wavelength of interest could be inelastic scattering, fluorescence, or bioluminescence, for example. An algorithm is developed with which to estimate two coefficients that describe the source from only downward and upward irradiance measurements at two depths that can be far apart, or four coefficients if the downward and upward scalar irradiances also are measured. For the special case of a spatially uniform, semi- infinite seawater then measurements at one depth are sufficient but the number of coefficients that can be estimated is reduced by a factor of two. The algorithm is derived assuming that the radiance is in the asymptotic regime, which means results are less accurate if measurements are made too near the sea surface.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Norman J. McCormick "Ocean source estimation using irradiance measurements at only one depth", Proc. SPIE 2258, Ocean Optics XII, (26 October 1994);

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