The Cryosphere
The Cryosphere
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Articles | Volume 19, issue 12
Articles | Volume 19, issue 12
https://doi.org/10.5194/tc-19-6771-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-19-6771-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 12
Research article
 | 
12 Dec 2025
Research article |  | 12 Dec 2025

An assessment of Antarctic sea-ice thickness in CMIP6 simulations with comparison to the satellite-based observations and reanalyses

Shreya Trivedi, Will Hobbs, and Marilyn Raphael

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Short summary
The study analyzes sea-ice thickness variations in the Southern Ocean using 39 CMIP6 models and satellite and reanalysis datasets. It reveals seasonal covariances between sea ice area and thickness. The models replicate the mean seasonal cycle and spatial patterns, but show significant inter-model variability, with sea-ice area better simulated than thickness. The study emphasizes the need for improved Antarctic sea-ice processes in models for accurate thickness projections.
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