Earth System Dynamics
Earth System Dynamics
ESD
Articles | Volume 15, issue 4
Articles | Volume 15, issue 4
https://doi.org/10.5194/esd-15-875-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esd-15-875-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 4
Research article
 | 
15 Jul 2024
Research article |  | 15 Jul 2024

A missing link in the carbon cycle: phytoplankton light absorption under RCP emission scenarios

Rémy Asselot, Philip B. Holden, Frank Lunkeit, and Inga Hense

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Short summary
Phytoplankton are tiny oceanic algae able to absorb the light penetrating the ocean. The light absorbed by these organisms is re-emitted as heat in the surrounding environment, a process commonly called phytoplankton light absorption (PLA). As a consequence, PLA increases the oceanic temperature. We studied this mechanism with a climate model under different climate scenarios. We show that phytoplankton light absorption is reduced under strong warming scenarios, limiting oceanic warming.
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