Articles | Volume 1-osr7
https://doi.org/10.5194/sp-1-osr7-4-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/sp-1-osr7-4-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
South Atlantic overturning and heat transport variations in ocean reanalyses and observation-based estimates
Jonathan Andrew Baker
CORRESPONDING AUTHOR
Met Office, Exeter, UK
Richard Renshaw
Met Office, Exeter, UK
Laura Claire Jackson
Met Office, Exeter, UK
Clotilde Dubois
Mercator Ocean International, Toulouse, France
Doroteaciro Iovino
Centro Euro-Mediterraneo sui Cambiamenti Climatici, Bologna, Italy
European Centre for Medium-Range Weather Forecasts, Reading, UK
Renellys C. Perez
Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration, Miami, USA
Shenfu Dong
Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration, Miami, USA
Marion Kersalé
Direction Générale de l'Armement, Ingénierie des projets, Paris, France
Michael Mayer
University of Vienna, Vienna, Austria
European Centre for Medium-Range Weather Forecasts, Reading, UK
Johannes Mayer
University of Vienna, Vienna, Austria
Sabrina Speich
Laboratoire de Météorologie Dynamique–IPSL, Ecole Normale Supérieure, Paris, France
Tarron Lamont
University of Cape Town, Cape Town, South Africa
Department of Environment, Forestry and Fisheries, Oceans and Coasts Research Branch, Cape Town, South Africa
Bayworld Centre for Research and Education, Cape Town, South Africa
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Cited
6 citations as recorded by crossref.
- South Atlantic meridional overturning circulation and its respective heat and freshwater transports from sustained observations near 34.5°S I. Pita et al. 10.3389/fmars.2024.1474133
- Opportunities for Earth Observation to Inform Risk Management for Ocean Tipping Points R. Wood et al. 10.1007/s10712-024-09859-3
- The state of the global ocean K. von Schuckmann et al. 10.5194/sp-4-osr8-1-2024
- Southern Ocean influence on Atlantic Meridional Overturning Circulation across climate states Z. Song et al. 10.1038/s41467-025-64268-3
- Overturning Pathways Control AMOC Weakening in CMIP6 Models J. Baker et al. 10.1029/2023GL103381
- A quantitative assessment of air–sea heat flux trends from ERA5 since 1950 in the North Atlantic basin J. Mayer et al. 10.5194/esd-14-1085-2023
4 citations as recorded by crossref.
- South Atlantic meridional overturning circulation and its respective heat and freshwater transports from sustained observations near 34.5°S I. Pita et al. 10.3389/fmars.2024.1474133
- Opportunities for Earth Observation to Inform Risk Management for Ocean Tipping Points R. Wood et al. 10.1007/s10712-024-09859-3
- The state of the global ocean K. von Schuckmann et al. 10.5194/sp-4-osr8-1-2024
- Southern Ocean influence on Atlantic Meridional Overturning Circulation across climate states Z. Song et al. 10.1038/s41467-025-64268-3
Latest update: 22 Oct 2025
Short summary
We use ocean reanalyses, in which ocean models are combined with observations, to infer past changes in ocean circulation and heat transport in the South Atlantic. Comparing these estimates with other observation-based estimates, we find differences in their trends, variability, and mean heat transport but closer agreement in their mean overturning strength. Ocean reanalyses can help us understand the cause of these differences, which could improve estimates of ocean transports in this region.
We use ocean reanalyses, in which ocean models are combined with observations, to infer past...
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