ArticleProceedings of the National Academy of Sciences of the United States of America2025
Weakening AMOC reduces ocean carbon uptake and increases the social cost of carbon.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Permafrost carbon release scales linearly with overshoot warming mediated by AMOC tipping.Nature communications · 2026Article
- Integrated perspective on ocean carbon cycle: Untangling facts, fluxes, and fictions.Science advances · 2026Review
- A role for cities in sustaining Planetary Health.UCL open. Environment · 2026Article
- Weakening AMOC reduces ocean carbon uptake and increases the social cost of carbon.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
Corrections and comments
- Erratum issued
Authors and funding
2 authors.
Funding
Abstract
A weakening of the Atlantic Meridional Overturning Circulation (AMOC) has been found to be globally beneficial by economic assessments. This result emerges because AMOC weakening would cool the Northern Hemisphere, thereby reducing expected climate damages and decreasing estimates of the global social cost of carbon dioxide (SCC). There are, however, many other impacts of AMOC weakening that are not yet taken into account. Here, we add a second impact channel by quantifying the effects of AMOC weakening on ocean carbon uptake, using biogeochemically-only coupled freshwater hosing simulations in the Max Planck Institute Earth System Model. Our simulations reveal an approximately linear relationship between AMOC strength and carbon uptake reductions, constituting a carbon cycle feedback that leads to higher atmospheric CO
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