Earth System Dynamics
Earth System Dynamics
ESD
Articles | Volume 12, issue 3
Articles | Volume 12, issue 3
https://doi.org/10.5194/esd-12-797-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esd-12-797-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 3
Research article
 | 
14 Jul 2021
Research article |  | 14 Jul 2021

Resolving ecological feedbacks on the ocean carbon sink in Earth system models

David I. Armstrong McKay, Sarah E. Cornell, Katherine Richardson, and Johan Rockström

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Latest update: 19 Apr 2024
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Short summary
We use an Earth system model with two new ocean ecosystem features (plankton size traits and temperature-sensitive nutrient recycling) to revaluate the effect of climate change on sinking organic carbon (the biological pump) and the ocean carbon sink. These features lead to contrary pump responses to warming, with a combined effect of a smaller sink despite a more resilient pump. These results show the importance of including ecological dynamics in models for understanding climate feedbacks.
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