Impacts of the CICE sea ice model and ERA atmosphere on  an Antarctic MetROMS ocean model, MetROMS-UHel-v1.0

Äijälä, Cecilia; Nie, Yafei; Gutiérrez-Loza, Lucía; De Falco, Chiara; Lauvset, Siv Kari; Cheng, Bin; Bailey, David Anthony; Uotila, Petteri

doi:10.5194/gmd-18-4823-2025

Articles | Volume 18, issue 15

https://doi.org/10.5194/gmd-18-4823-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gmd-18-4823-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 15

Model evaluation paper

|

08 Aug 2025

Model evaluation paper |

| 08 Aug 2025

Impacts of the CICE sea ice model and ERA atmosphere on an Antarctic MetROMS ocean model, MetROMS-UHel-v1.0

Cecilia Äijälä, Yafei Nie, Lucía Gutiérrez-Loza, Chiara De Falco, Siv Kari Lauvset, Bin Cheng, David Anthony Bailey, and Petteri Uotila

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Dec 2024	109	18	7	134
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Mar 2025	33	8	2	43
Apr 2025	16	3	1	20
May 2025	20	2	22
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Jul 2025	21	9	1	31
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Cumulative views and downloads (calculated since 13 Dec 2024)

Month	HTML	PDF	XML	Total
Dec 2024	109	18	7	134
Jan 2025	25	16	2	43
Feb 2025	33	10	4	47
Mar 2025	33	8	2	43
Apr 2025	16	3	1	20
May 2025	20	2	22
Jun 2025	23	2	7	32
Jul 2025	21	9	1	31
Aug 2025	476	40	12	528
Sep 2025	1,216	18	4	1,238
Oct 2025	151	34	5	190
Nov 2025	111	41	5	157
Dec 2025	144	43	8	195
Jan 2026	769	54	12	835
Feb 2026	493	40	9	542
Mar 2026	61	33	9	103
Apr 2026	38	18	3	59

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Short summary

The sea ice around Antarctica has experienced record lows in recent years. To understand these changes, models are needed. MetROMS-UHel is a new version of an ocean–sea ice model with updated sea ice code and the atmospheric data. We investigate the effect of our updates on different variables with a focus on sea ice and show an improved sea ice representation as compared with observations.