Biogeosciences
Biogeosciences
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Articles | Volume 22, issue 22
Articles | Volume 22, issue 22
https://doi.org/10.5194/bg-22-6877-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-22-6877-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 22
Research article
 | 
18 Nov 2025
Research article |  | 18 Nov 2025

Dissolved organic carbon dynamics in a changing ocean: an ESM2M-COBALTv2 coupled model analysis

Lana Flanjak, Aaron Wienkers, and Charlotte Laufkötter

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We used a global ocean model to explore how dissolved organic carbon is produced and transported in the ocean, both under present-day and future climate conditions. Our results suggest that climate change will reduce the export of this carbon to deeper layers due to weaker ocean circulation and mixing. This highlights the importance of physical transport in shaping ocean carbon dynamics and its sensitivity to a warming climate.
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