Articles | Volume 12, issue 3
Earth Syst. Dynam., 12, 797–818, 2021
https://doi.org/10.5194/esd-12-797-2021
Earth Syst. Dynam., 12, 797–818, 2021
https://doi.org/10.5194/esd-12-797-2021

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 et al.

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (20 Oct 2020) by Michel Crucifix
AR by David Armstrong McKay on behalf of the Authors (08 Feb 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (09 Feb 2021) by Michel Crucifix
RR by Jamie Wilson (12 Feb 2021)
RR by Anonymous Referee #1 (01 Mar 2021)
ED: Reconsider after major revisions (05 Mar 2021) by Michel Crucifix
AR by David Armstrong McKay on behalf of the Authors (30 Apr 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (11 May 2021) by Michel Crucifix
RR by Jamie Wilson (14 May 2021)
ED: Publish as is (17 May 2021) by Michel Crucifix
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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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