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Applied Optics

Applied Optics


  • Vol. 42, Iss. 6 — Feb. 20, 2003
  • pp: 931–938

Ocean optics estimation for absorption, backscattering, and phase function parameters

Ammar H. Hakim and Norman J. McCormick  »View Author Affiliations

Applied Optics, Vol. 42, Issue 6, pp. 931-938 (2003)

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We propose and test an inverse ocean optics procedure with numerically simulated data for the determination of inherent optical properties using in-water radiance measurements. If data are available at only one depth within a deep homogeneous water layer, then the single-scattering albedo and the single parameter that characterizes the Henyey-Greenstein phase function can be estimated. If data are available at two depths, then these two parameters can be determined along with the optical thickness so that the absorption and scattering coefficients, and also the backscattering coefficient, can be estimated. With a knowledge of these parameters, the albedo and Lambertian fraction of reflected radiance of the bottom can be determined if measurements are made close to the bottom. A simplified method for determining the optical properties of the water also is developed for only three irradiance-type measurements if the radiance is approximately in the asymptotic regime.

© 2003 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(030.5620) Coherence and statistical optics : Radiative transfer
(100.3190) Image processing : Inverse problems
(160.4760) Materials : Optical properties
(290.1350) Scattering : Backscattering
(290.3200) Scattering : Inverse scattering

Original Manuscript: May 20, 2002
Revised Manuscript: November 4, 2002
Published: February 20, 2003

Ammar H. Hakim and Norman J. McCormick, "Ocean optics estimation for absorption, backscattering, and phase function parameters," Appl. Opt. 42, 931-938 (2003)

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