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Proceedings Paper

Light scattering on turbulence and on particulates
Author(s): Darek Bogucki; Andrzej Domaradzki; Dariusz Stramski; R. Zaneveld
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Paper Abstract

We have investigated numerically and experimentally the scattering of a light beam by turbulence. We compare the effects of scattering by typical coastal and oceanic particulate distributions with those of turbulence-induced scattering. We find that turbulence can dominate scattering up to 5-10 degrees for the costal region and for the upper layer of the open ocean. Our preliminary experiment confirms predictions that the frequently observed in situ high values of the volume scattering function at small angles are related to scattering on turbulent inhomogeneities in seawater. The ability of turbulent flow to scaler light more than particulates at small angles affects underwater visibility. Current models of underwater visibility account only for the effects of particulates and totally ignore the effects of turbulence. Here we show, with the support of the older experimental data, that turbulence can limit the resolution to an object of size 1 m over a viewing distance of 10m for strong coastal turbulent regimes.

Paper Details

Date Published: 6 February 1997
PDF: 5 pages
Proc. SPIE 2963, Ocean Optics XIII, (6 February 1997); doi: 10.1117/12.266486
Show Author Affiliations
Darek Bogucki, University of Southern California (United States)
Andrzej Domaradzki, University of Southern California (United States)
Dariusz Stramski, University of Southern California (United States)
R. Zaneveld, Oregon State University (United States)

Published in SPIE Proceedings Vol. 2963:
Ocean Optics XIII
Steven G. Ackleson; Robert J. Frouin, Editor(s)

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