Ocean Science
Ocean Science
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Articles | Volume 22, issue 1
Articles | Volume 22, issue 1
https://doi.org/10.5194/os-22-629-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-22-629-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 1
Research article
 | 
16 Feb 2026
Research article |  | 16 Feb 2026

Subpolar Atlantic meridional heat transports from OSNAP and ocean reanalyses – a comparison

Susanna Winkelbauer, Isabella Winterer, Michael Mayer, Yao Fu, and Leopold Haimberger

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Short summary
Ocean reanalyses combine models and observations to reconstruct past ocean conditions. We evaluate their performance against measurements from the OSNAP (Overturning in the Subpolar North Atlantic Program) section. While reanalyses capture long-term averages and broad circulation patterns, they miss some more regional features and variability. This highlights both their value and their limitations, stressing the need for improved observations and higher-resolution models.
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