Ocean Science
Ocean Science
OS
Articles | Volume 21, issue 1
Articles | Volume 21, issue 1
https://doi.org/10.5194/os-21-359-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-21-359-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 1
Research article
 | Highlight paper
 | 
07 Feb 2025
Research article | Highlight paper |  | 07 Feb 2025

Turbulent heat flux dynamics along the Dotson and Getz ice-shelf fronts (Amundsen Sea, Antarctica)

Blandine Jacob, Bastien Y. Queste, and Marcel D. du Plessis

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This is the first in-situ validation of the reanalysis atmospheric flux and observations. Given the importance of the region in the context of global sea-level rise and recent advancements of numerical models at ice-ocean-atmosphere interface, the problems identified and the new parameterization in this paper make a difference.
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Short summary
Few observations exist in the Amundsen Sea. Consequently, studies rely on reanalysis (e.g., ERA5) to investigate how the atmosphere affects ocean variability (e.g., sea-ice formation and melt). We use data collected along ice shelves to show that cold, dry air blowing from Antarctica triggers large ocean heat loss, which is underestimated by ERA5. We then use an ocean model to show that this bias has an important impact on the ocean, with implications for sea-ice forecasts.
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