The Cryosphere
The Cryosphere
TC
Articles | Volume 18, issue 6
Articles | Volume 18, issue 6
https://doi.org/10.5194/tc-18-2739-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-18-2739-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 6
Research article
 | 
18 Jun 2024
Research article |  | 18 Jun 2024

Past and future of the Arctic sea ice in High-Resolution Model Intercomparison Project (HighResMIP) climate models

Julia Selivanova, Doroteaciro Iovino, and Francesco Cocetta

Supplement

https://doi.org/10.5194/tc-18-2739-2024-supplement

Data sets

NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 4 W. N. Meier et al. https://doi.org/10.7265/efmz-2t65

Global Sea Ice Concentration Interim Climate Data Record Release 3 - DMSP OSI SAF https://doi.org/10.15770/EUM_SAF_OSI_0014

Modeling Global Sea Ice with a Thickness and Enthalpy Distribution Model in Generalized Curvilinear Coordinates (https://pscfiles.apl.uw.edu/zhang/PIOMAS) J. Zhang and D. A. Rothrock https://doi.org/10.1175/1520-0493(2003)131<0845:MGSIWA>2.0.CO;2

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Short summary
Climate models show differences in sea ice representation in comparison to observations. Increasing the model resolution is a recognized way to improve model realism and obtain more reliable future projections. We find no strong impact of resolution on sea ice representation; it rather depends on the analysed variable and the model used. By 2050, the marginal ice zone (MIZ) becomes a dominant feature of the Arctic ice cover, suggesting a shift to a new regime similar to that in Antarctica.
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