Articles | Volume 12, issue 14
Biogeosciences, 12, 4497–4508, 2015
https://doi.org/10.5194/bg-12-4497-2015
Biogeosciences, 12, 4497–4508, 2015
https://doi.org/10.5194/bg-12-4497-2015

Research article 30 Jul 2015

Research article | 30 Jul 2015

The mechanisms of North Atlantic CO2 uptake in a large Earth System Model ensemble

P. R. Halloran et al.

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The oceans currently take up around a quarter of the carbon dioxide (CO2) emitted by human activity. While stored in the ocean, this CO2 is not causing global warming. Here we explore high latitude North Atlantic CO2 uptake across a set of climate model simulations, and find that the models show a peak in ocean CO2 uptake around the middle of the century after which time CO2 uptake begins to decline. We identify the causes of this long-term change and interannual variability in the models.
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