Ocean Science
Ocean Science
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Articles | Volume 21, issue 6
Articles | Volume 21, issue 6
https://doi.org/10.5194/os-21-3069-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-21-3069-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 6
Research article
 | 
20 Nov 2025
Research article |  | 20 Nov 2025

The effect of storms on the Antarctic Slope Current and the warm inflow onto the southeastern Weddell Sea continental shelf

Vår Dundas, Kjersti Daae, Elin Darelius, Markus Janout, Jean-Baptiste Sallée, and Svein Østerhus

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More articles (6)

Cited articles

Årthun, M., Nicholls, K. W., Makinson, K., Fedak, M. A., and Boehme, L.: Seasonal inflow of warm water onto the southern Weddell Sea continental shelf , Antarctica, Geophysical Research Letters, 39, 2–7, https://doi.org/10.1029/2012GL052856, 2012. a, b, c, d
Caton Harrison, T., Biri, S., Bracegirdle, T. J., King, J. C., Kent, E. C., Vignon, É., and Turner, J.: Reanalysis representation of low-level winds in the Antarctic near-coastal region, Weather Clim. Dynam., 3, 1415–1437, https://doi.org/10.5194/wcd-3-1415-2022, 2022. a, b
Daae, K., Hattermann, T., Darelius, E., and Fer, I.: On the effect of topography and wind on warm water inflow – An idealized study of the southern Weddell Sea continental shelf system, Journal of Geophysical Research: Oceans, 122, 2622–2641, https://doi.org/10.1002/2016JC012541, 2017. a, b, c, d, e
Daae, K., Darelius, E., Fer, I., Østerhus, S., and Ryan, S.: Wind stress mediated variability of the Filchner trough Overflow, Weddell sea, Journal of Geophysical Research: Oceans, 123, 3186–3203, https://doi.org/10.1002/2017JC013579, 2018. a, b, c, d, e, f
Daae, K., Hattermann, T., Darelius, E., Mueller, R. D., Naughten, K. A., Timmermann, R., and Hellmer, H. H.: Necessary Conditions for Warm Inflow Toward the Filchner Ice Shelf, Weddell Sea, Geophysical Research Letters, 47, https://doi.org/10.1029/2020GL089237, 2020. a
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Moored observations confirm that strong ocean surface stress events ("storms'') can increase the speed of the Antarctic Slope Current and the circulation in the Filchner Trough region. Roughly 25 % of the identified storm events also cause an increased southward current speed on the continental shelf. Such enhanced circulation on the shelf increases the likelihood that warm summer inflow reaches the Filchner Ice Front and cavity before it is lost to the atmosphere during winter.
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