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Proceedings Paper

Absorption coefficients of the ocean: their measurement and implications for remote sensing
Author(s): John T.O. Kirk
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Paper Abstract

The spectral energy distribution of the emergent radiant flux from the ocean is determined by the inherent optical properties of the water, especially the absorption coefficients. To interpret the remotely sensed spectral distribution in terms of ocean composition we need a database relating seawater absorption spectra to composition, especially in terms of phytoplankton concentration and type, and soluble and detrital color. Measurement of seawater absorption spectra is difficult because absorption is so low, and because of the confounding effects of scattering. The use of the integrating cavity absorption meter to overcome these problems is discussed, and an account is also given of the potential and limitations of seeking to estimate absorption coefficient values form in-water spectral irradiance data.

Paper Details

Date Published: 6 February 1997
PDF: 6 pages
Proc. SPIE 2963, Ocean Optics XIII, (6 February 1997); doi: 10.1117/12.266441
Show Author Affiliations
John T.O. Kirk, CSIRO Plant Industry (Australia)

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

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