Impact of horizontal resolution on global ocean–sea ice model simulations based on the experimental protocols of the Ocean Model Intercomparison Project phase 2 (OMIP-2)

Chassignet, Eric P.; Yeager, Stephen G.; Fox-Kemper, Baylor; Bozec, Alexandra; Castruccio, Frederic; Danabasoglu, Gokhan; Horvat, Christopher; Kim, Who M.; Koldunov, Nikolay; Li, Yiwen; Lin, Pengfei; Liu, Hailong; Sein, Dmitry V.; Sidorenko, Dmitry; Wang, Qiang; Xu, Xiaobiao

doi:https://doi.org/10.5194/gmd-13-4595-2020

Articles | Volume 13, issue 9

https://doi.org/10.5194/gmd-13-4595-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Evaluation of Model Intercomparison Projects

https://doi.org/10.5194/gmd-13-4595-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 13, issue 9

Model evaluation paper

| Highlight paper

|

29 Sep 2020

Model evaluation paper | Highlight paper |

| 29 Sep 2020

Impact of horizontal resolution on global ocean–sea ice model simulations based on the experimental protocols of the Ocean Model Intercomparison Project phase 2 (OMIP-2)

Eric P. Chassignet, Stephen G. Yeager, Baylor Fox-Kemper, Alexandra Bozec, Frederic Castruccio, Gokhan Danabasoglu, Christopher Horvat, Who M. Kim, Nikolay Koldunov, Yiwen Li, Pengfei Lin, Hailong Liu, Dmitry V. Sein, Dmitry Sidorenko, Qiang Wang, and Xiaobiao Xu

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Views and downloads (calculated since 11 Mar 2020)

Month	HTML	PDF	XML	Total
Mar 2020	149	49	3	201
Apr 2020	174	58	1	233
May 2020	31	10	0	41
Jun 2020	30	22	3	55
Jul 2020	49	40	25	114
Aug 2020	44	23	1	68
Sep 2020	131	55	2	188
Oct 2020	324	136	3	463
Nov 2020	189	70	5	264
Dec 2020	166	36	1	203
Jan 2021	160	47	0	207
Feb 2021	96	15	0	111
Mar 2021	82	27	0	109
Apr 2021	83	21	0	104
May 2021	76	36	2	114
Jun 2021	97	37	0	134
Jul 2021	91	35	1	127
Aug 2021	78	43	0	121
Sep 2021	96	42	0	138
Oct 2021	62	60	1	123
Nov 2021	70	41	2	113
Dec 2021	93	49	7	149
Jan 2022	81	39	4	124
Feb 2022	71	39	3	113
Mar 2022	77	19	1	97
Apr 2022	90	27	2	119
May 2022	70	37	2	109
Jun 2022	63	17	1	81
Jul 2022	110	16	0	126
Aug 2022	299	12	0	311
Sep 2022	116	27	1	144
Oct 2022	58	24	1	83
Nov 2022	70	23	0	93
Dec 2022	93	20	4	117
Jan 2023	87	59	2	148
Feb 2023	79	33	1	113
Mar 2023	93	34	0	127
Apr 2023	66	16	0	82
May 2023	65	19	0	84
Jun 2023	74	25	2	101
Jul 2023	62	35	2	99
Aug 2023	69	43	2	114
Sep 2023	84	66	1	151
Oct 2023	111	201	0	312
Nov 2023	85	195	1	281
Dec 2023	48	24	3	75
Jan 2024	50	19	0	69
Feb 2024	107	22	0	129
Mar 2024	90	29	4	123
Apr 2024	63	26	7	96
May 2024	89	30	5	124
Jun 2024	81	17	2	100
Jul 2024	79	21	4	104
Aug 2024	90	26	5	121
Sep 2024	87	17	0	104
Oct 2024	65	28	0	93
Nov 2024	57	8	3	68
Dec 2024	47	33	1	81
Jan 2025	62	52	3	117
Feb 2025	95	19	2	116
Mar 2025	63	61	2	126
Apr 2025	74	86	1	161
May 2025	153	47	1	201
Jun 2025	114	46	1	161
Jul 2025	128	14	3	145
Aug 2025	115	56	6	177
Sep 2025	159	21	3	183
Oct 2025	97	57	4	158
Nov 2025	21	12	0	33

Cumulative views and downloads (calculated since 11 Mar 2020)

Month	HTML	PDF	XML	Total
Mar 2020	149	49	3	201
Apr 2020	174	58	1	233
May 2020	31	10	0	41
Jun 2020	30	22	3	55
Jul 2020	49	40	25	114
Aug 2020	44	23	1	68
Sep 2020	131	55	2	188
Oct 2020	324	136	3	463
Nov 2020	189	70	5	264
Dec 2020	166	36	1	203
Jan 2021	160	47	0	207
Feb 2021	96	15	0	111
Mar 2021	82	27	0	109
Apr 2021	83	21	0	104
May 2021	76	36	2	114
Jun 2021	97	37	0	134
Jul 2021	91	35	1	127
Aug 2021	78	43	0	121
Sep 2021	96	42	0	138
Oct 2021	62	60	1	123
Nov 2021	70	41	2	113
Dec 2021	93	49	7	149
Jan 2022	81	39	4	124
Feb 2022	71	39	3	113
Mar 2022	77	19	1	97
Apr 2022	90	27	2	119
May 2022	70	37	2	109
Jun 2022	63	17	1	81
Jul 2022	110	16	0	126
Aug 2022	299	12	0	311
Sep 2022	116	27	1	144
Oct 2022	58	24	1	83
Nov 2022	70	23	0	93
Dec 2022	93	20	4	117
Jan 2023	87	59	2	148
Feb 2023	79	33	1	113
Mar 2023	93	34	0	127
Apr 2023	66	16	0	82
May 2023	65	19	0	84
Jun 2023	74	25	2	101
Jul 2023	62	35	2	99
Aug 2023	69	43	2	114
Sep 2023	84	66	1	151
Oct 2023	111	201	0	312
Nov 2023	85	195	1	281
Dec 2023	48	24	3	75
Jan 2024	50	19	0	69
Feb 2024	107	22	0	129
Mar 2024	90	29	4	123
Apr 2024	63	26	7	96
May 2024	89	30	5	124
Jun 2024	81	17	2	100
Jul 2024	79	21	4	104
Aug 2024	90	26	5	121
Sep 2024	87	17	0	104
Oct 2024	65	28	0	93
Nov 2024	57	8	3	68
Dec 2024	47	33	1	81
Jan 2025	62	52	3	117
Feb 2025	95	19	2	116
Mar 2025	63	61	2	126
Apr 2025	74	86	1	161
May 2025	153	47	1	201
Jun 2025	114	46	1	161
Jul 2025	128	14	3	145
Aug 2025	115	56	6	177
Sep 2025	159	21	3	183
Oct 2025	97	57	4	158
Nov 2025	21	12	0	33

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Short summary

This paper presents global comparisons of fundamental global climate variables from a suite of four pairs of matched low- and high-resolution ocean and sea ice simulations to assess the robustness of climate-relevant improvements in ocean simulations associated with moving from coarse (∼1°) to eddy-resolving (∼0.1°) horizontal resolutions. Despite significant improvements, greatly enhanced horizontal resolution does not deliver unambiguous bias reduction in all regions for all models.


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