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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 36 — Dec. 20, 2006
  • pp: 9210–9220

Influence of the angular shape of the volume-scattering function and multiple scattering on remote sensing reflectance

Malik Chami, David McKee, Edouard Leymarie, and Gueorgui Khomenko  »View Author Affiliations


Applied Optics, Vol. 45, Issue 36, pp. 9210-9220 (2006)
http://dx.doi.org/10.1364/AO.45.009210


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Abstract

Scattering phase functions derived from measured (volume-scattering meter, VSM) volume-scattering functions (VSFs) from Crimean coastal waters were found to have systematic differences in angular structure from Fournier–Forand (FF) functions with equivalent backscattering ratios. Hydrolight simulations demonstrated that differences in the angular structure of the VSF could result in variations in modeled subsurface radiance reflectances of up to ± 20 % . Furthermore, differences between VSM and FF simulated reflectances were found to be nonlinear as a function of scattering and could not be explained with the single-scattering approximation. Additional radiance transfer modeling demonstrated that the contribution of multiple scattering to radiance reflectance increased exponentially from a minimum of 16 % for pure water to a maximum of 94 % for turbid waters. Monte Carlo simulations demonstrated that multiple forward-scattering events were the dominant contributors to the generation of radiance reflectance signals for turbid waters and that angular structures in the shape of the VSF at forward angles could have a significant influence in determining reflectance signals for turbid waters.

© 2006 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(290.1350) Scattering : Backscattering
(290.4210) Scattering : Multiple scattering
(290.5850) Scattering : Scattering, particles

History
Original Manuscript: June 13, 2006
Revised Manuscript: August 22, 2006
Manuscript Accepted: August 24, 2006

Virtual Issues
Vol. 2, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Malik Chami, David McKee, Edouard Leymarie, and Gueorgui Khomenko, "Influence of the angular shape of the volume-scattering function and multiple scattering on remote sensing reflectance," Appl. Opt. 45, 9210-9220 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-36-9210

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