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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 3, Iss. 1 — Jan. 29, 2008

Parameterization of the inherent optical properties of Murchison Bay, Lake Victoria

Willy Okullo, Taddeo Ssenyonga, Børge Hamre, Øyvind Frette, K. Sørensen, Jakob J. Stamnes, Andreas Steigen, and Knut Stamnes  »View Author Affiliations


Applied Optics, Vol. 46, Issue 36, pp. 8553-8561 (2007)
http://dx.doi.org/10.1364/AO.46.008553


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Abstract

Lake Victoria, Africa's largest freshwater lake, suffers greatly from negative changes in biomass of species of fish and also from severe eutrophication. The continuing deterioration of Lake Victoria's ecological functions has great long-term consequences for the ecosystem benefits it provides to the countries bordering its shores. However, knowledge about temporal and spatial variations of optical properties and how they relate to lake constituents is important for a number of reasons such as remote sensing, modeling of underwater light fields, and long-term monitoring of lake waters. Based on statistical analysis of data from optical measurements taken during half a year of weekly cruises in Murchison Bay, Lake Victoria, we present a three-component model for the absorption and a two-component model for the scattering of light in the UV and the visible regions of the solar spectrum along with tests of their ranges of validity. The three-component input to the model for absorption is the chlorophyll-a (Chl-a), total suspended materials concentrations, and yellow substance absorption, while the two-component input to the model for scattering is the Chl-a concentration and total suspended materials.

© 2007 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(290.5820) Scattering : Scattering measurements
(300.1030) Spectroscopy : Absorption

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: June 19, 2007
Revised Manuscript: October 19, 2007
Manuscript Accepted: October 22, 2007
Published: December 13, 2007

Virtual Issues
Vol. 3, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Willy Okullo, Taddeo Ssenyonga, Børge Hamre, Øyvind Frette, K. Sørensen, Jakob J. Stamnes, Andreas Steigen, and Knut Stamnes, "Parameterization of the inherent optical properties of Murchison Bay, Lake Victoria," Appl. Opt. 46, 8553-8561 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-46-36-8553

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