Journal cover Journal topic
Biogeosciences An interactive open-access journal of the European Geosciences Union
Journal topic
Volume 13, issue 11
Biogeosciences, 13, 3387–3396, 2016
https://doi.org/10.5194/bg-13-3387-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Biogeosciences, 13, 3387–3396, 2016
https://doi.org/10.5194/bg-13-3387-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 09 Jun 2016

Research article | 09 Jun 2016

Climate impacts on multidecadal pCO2 variability in the North Atlantic: 1948–2009

Melissa L. Breeden and Galen A. McKinley
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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (12 Jan 2016) by Leticia Cotrim da Cunha
AR by Melissa Breeden on behalf of the Authors (23 Feb 2016)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (11 Mar 2016) by Leticia Cotrim da Cunha
RR by Anonymous Referee #1 (04 Apr 2016)
ED: Publish subject to minor revisions (Editor review) (04 Apr 2016) by Leticia Cotrim da Cunha
AR by Melissa Breeden on behalf of the Authors (19 Apr 2016)  Author's response
ED: Publish as is (13 May 2016) by Leticia Cotrim da Cunha
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Short summary
Natural variability of the North Atlantic carbon cycle is modeled for 1948–2009. The dominant mode of surface ocean CO2 variability is associated with sea surface temperature (SST) variability composed of (a) the Atlantic Multidecadal Oscillation (AMO) and (b) a positive SST trend. In the subpolar gyre, positive AMO is associated with reduced vertical mixing that lowers pCO2. In the subtropical gyre, AMO-associated warming increases pCO2. Since 1980, the SST trend has amplified AMO impacts.
Natural variability of the North Atlantic carbon cycle is modeled for 1948–2009. The dominant...
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