The Cryosphere
The Cryosphere
TC
Articles | Volume 18, issue 8
Articles | Volume 18, issue 8
https://doi.org/10.5194/tc-18-3825-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-18-3825-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 8
Research article
 | 
26 Aug 2024
Research article |  | 26 Aug 2024

The role of atmospheric conditions in the Antarctic sea ice extent summer minima

Bianca Mezzina, Hugues Goosse, François Klein, Antoine Barthélemy, and François Massonnet

Supplement

https://doi.org/10.5194/tc-18-3825-2024-supplement

Data sets

Global Sea Ice Concentration Climate Data Record v2.0 -- Multimission OSI SAF https://doi.org/10.15770/EUM_SAF_OSI_0008

ERA5 monthly averaged data on single levels from 1940 to present H. Hersbach et al. https://doi.org/10.24381/cds.f17050d7

Model code and software

NEMO model code, MetOffice (UK) branch dev_isf_remapping_UKESM_GO6package_r9314, revision 11248 P. Mathiot and D. Storkey https://forge.ipsl.jussieu.fr/nemo/browser/branches/UKMO/dev_isf_remapping_UKESM_GO6package_r9314?rev=15667

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Short summary
We analyze years with extraordinarily low sea ice extent in Antarctica during summer, until the striking record in 2022. We highlight common aspects among these events, such as the fact that the exceptional melting usually occurs in two key regions and that it is related to winds with a similar direction. We also investigate whether the summer conditions are preceded by an unusual state of the sea ice during the previous winter, as well as the physical processes involved.
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