The Relationship Between Phytoplankton Concentration And Light Attenuation In Ocean Waters

David A. Phinney; Charles S. Yentsch

doi:10.1117/12.964248

7 August 1986 The Relationship Between Phytoplankton Concentration And Light Attenuation In Ocean Waters

David A. Phinney, Charles S. Yentsch

Proceedings Volume 0637, Ocean Optics VIII; (1986) https://doi.org/10.1117/12.964248
Event: 1986 Technical Symposium Southeast, 1986, Orlando, United States

Abstract

The accuracy of chlorophyll estimates by ocean color algorithms is affected by the variability of particulate attenuation; the presence of dissolved organic matter and the non-linear inverse relationship between the attenuation coefficient, K, and chlorophyll. Data collected during the Warm Core Rings Program were used to model the downwelling light field and determine the impact of these errors. A possible mechanism for the non-linearity of K and chlorophyll is suggested, namely, that changing substrate from nitrate-nitrogen to ammonium causes enhanced blue absorption by photosynthetic phytoplankton in oligotrophic surface waters.

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David A. Phinney and Charles S. Yentsch "The Relationship Between Phytoplankton Concentration And Light Attenuation In Ocean Waters", Proc. SPIE 0637, Ocean Optics VIII, (7 August 1986); https://doi.org/10.1117/12.964248

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