Biogeosciences
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Articles | Volume 12, issue 16
Articles | Volume 12, issue 16
https://doi.org/10.5194/bg-12-5119-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-12-5119-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 12, issue 16
Research article
 | 
28 Aug 2015
Research article |  | 28 Aug 2015

Quantifying the biological impact of surface ocean light attenuation by colored detrital matter in an ESM using a new optical parameterization

G. E. Kim, M.-A. Pradal, and A. Gnanadesikan

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Short summary
Light absorption by colored detrital material (CDM) was included in a fully coupled Earth system model. Chlorophyll and biomass increased near the surface but decreased at greater depths when CDM was included. Concurrently, total biomass decreased leaving more nutrients in the water. Regional changes were analyzed by comparing the competing factors of diminished light availability and increased nutrient availability on phytoplankton growth.
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