The ACCESS-CM2 climate model with a higher  resolution ocean-sea ice component (1/4°)

Huneke, Wilma G. C.; Hogg, Andrew McC.; Dix, Martin; Bi, Daohua; Sullivan, Arnold; McGregor, Shayne; Holgate, Chiara M.; O'Farrell, Siobhan P.; Oliveira, Micael J. T.

doi:10.5194/gmd-18-9991-2025

Articles | Volume 18, issue 24

https://doi.org/10.5194/gmd-18-9991-2025

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

Special issue:

The Australian Community Climate and Earth System Simulator:...

https://doi.org/10.5194/gmd-18-9991-2025

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

Articles | Volume 18, issue 24

Model evaluation paper

|

15 Dec 2025

Model evaluation paper |

| 15 Dec 2025

The ACCESS-CM2 climate model with a higher resolution ocean-sea ice component (1/4°)

Wilma G. C. Huneke, Andrew McC. Hogg, Martin Dix, Daohua Bi, Arnold Sullivan, Shayne McGregor, Chiara M. Holgate, Siobhan P. O'Farrell, and Micael J. T. Oliveira

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Jul 2025	53	44	2	99
Aug 2025	395	54	6	455
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Cumulative views and downloads (calculated since 26 Mar 2025)

Month	HTML	PDF	XML	Total
Mar 2025	48	9	1	58
Apr 2025	78	26	5	109
May 2025	35	30	1	66
Jun 2025	47	31	2	80
Jul 2025	53	44	2	99
Aug 2025	395	54	6	455
Sep 2025	966	11	1	978
Oct 2025	67	25	7	99
Nov 2025	59	23	8	90
Dec 2025	264	171	20	455
Jan 2026	1,116	156	17	1,289
Feb 2026	424	102	19	545
Mar 2026	322	167	21	510
Apr 2026	243	297	10	550
May 2026	0

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Short summary

A new configuration of the Australian Community Climate and Earth System Simulator coupled model, ACCESS-CM2, with a higher resolution ocean-sea ice component is introduced. The new version of the coupled climate model was designed to better capture smaller-scale ocean motions. While this configuration improves the representation of many aspects of the climate system, some biases from the existing lower-resolution version persist.