Articles | Volume 16, issue 8
https://doi.org/10.5194/gmd-16-2095-2023
https://doi.org/10.5194/gmd-16-2095-2023
Methods for assessment of models
 | 
18 Apr 2023
Methods for assessment of models |  | 18 Apr 2023

The emergence of the Gulf Stream and interior western boundary as key regions to constrain the future North Atlantic carbon uptake

Nadine Goris, Klaus Johannsen, and Jerry Tjiputra

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Climate projections of a high-CO2 future are highly uncertain. A new study provides a novel approach to identifying key regions that dynamically explain the model uncertainty. To yield an accurate estimate of the future North Atlantic carbon uptake, we find that a correct simulation of the upper- and interior-ocean volume transport at 25–30° N is key. However, results indicate that models rarely perform well for both indicators and point towards inconsistencies within the model ensemble.