Depth and wavelength dependence of phytoplankton photosynthesis: implications for the remote sensing of marine primary production

Osvaldo Ulloa; Nicolas Hoepffner; David Larkin

doi:10.1117/12.266456

6 February 1997 Depth and wavelength dependence of phytoplankton photosynthesis: implications for the remote sensing of marine primary production

Osvaldo Ulloa, Nicolas Hoepffner, David Larkin

Author Affiliations +

Proceedings Volume 2963, Ocean Optics XIII; (1997) https://doi.org/10.1117/12.266456
Event: Ocean Optics XIII, 1996, Halifax, Nova Scotia, Canada

Abstract

A detailed profile of the photosynthetic parameters and the action spectra was obtained in the Sargasso Sea during late summer, when the upper water column was strongly stratified. Significant depth variation in their magnitudes was present in the lower part of the euphotic zone. The consequences of such vertical structure on the estimation of water column primary production by remote sensing on ocean color are evaluated by sensitivity analysis using a spectra irradiance model. The errors in estimated primary production at depth assuming constant values of the photosynthetic parameters can be of several fold. However, for estimates of daily water-column primary production the errors are generally less than 10 percent.

Citation Download Citation

Osvaldo Ulloa, Nicolas Hoepffner, and David Larkin "Depth and wavelength dependence of phytoplankton photosynthesis: implications for the remote sensing of marine primary production", Proc. SPIE 2963, Ocean Optics XIII, (6 February 1997); https://doi.org/10.1117/12.266456

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