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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 32, Iss. 18 — Jun. 20, 1993
  • pp: 3273–3279

Measurement of the spectral absorption coefficient in the ocean with an isotropic source

Robert A. Maffione, Kenneth J. Voss, and Richard C. Honey  »View Author Affiliations


Applied Optics, Vol. 32, Issue 18, pp. 3273-3279 (1993)
http://dx.doi.org/10.1364/AO.32.003273


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Abstract

Closed-form equations that describe the vector irradiance from an isotropic source embedded in the ocean are rigorously derived from the steady-state radiative transfer equation. The equations are exact for a homogeneous medium and are believed to be an excellent approximation along the vertical axis for a plane-parallel ocean. The equations are solved for the absorption coefficient as a function of distance from the source. For clear ocean water, it is shown that vector irradiance measurements alone provide sufficient information for an accurate calculation of the absorption coefficient. Measurements in Pacific water of the vector irradiance from an isotropic source are presented, and the absorption coefficient is computed. The estimated value of the absorption coefficient from a linear least-squares fit to the data has a standard error of ~ 1%.

© 1993 Optical Society of America

History
Original Manuscript: October 1, 1991
Published: June 20, 1993

Citation
Robert A. Maffione, Kenneth J. Voss, and Richard C. Honey, "Measurement of the spectral absorption coefficient in the ocean with an isotropic source," Appl. Opt. 32, 3273-3279 (1993)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-32-18-3273

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