Articles | Volume 16, issue 11
https://doi.org/10.5194/bg-16-2343-2019
https://doi.org/10.5194/bg-16-2343-2019
Research article
 | 
07 Jun 2019
Research article |  | 07 Jun 2019

Model constraints on the anthropogenic carbon budget of the Arctic Ocean

Jens Terhaar, James C. Orr, Marion Gehlen, Christian Ethé, and Laurent Bopp

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Short summary
A budget of anthropogenic carbon in the Arctic Ocean, the main driver of open-ocean acidification, was constructed for the first time using a high-resolution ocean model. The budget reveals that anthropogenic carbon enters the Arctic Ocean mainly by lateral transport; the air–sea flux plays a minor role. Coarser-resolution versions of the same model, typical of earth system models, store less anthropogenic carbon in the Arctic Ocean and thus underestimate ocean acidification in the Arctic Ocean.
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