An Assessment of Southern Ocean Circulation Simulation by LASG/IAP Climate system Ocean Model

Jiahui BAI; Hailong LIU; Yiwen LI; Pengfei LIN; Zipeng YU

doi:10.3878/j.issn.1006-9585.2022.22017

Volume 28 Issue 1

Jan. 2023

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Article Navigation > Climatic and Environmental Research > 2023 > 28(1): 74-88

BAI Jiahui, LIU Hailong, LI Yiwen, et al. 2023. An Assessment of Southern Ocean Circulation Simulation by LASG/IAP Climate system Ocean Model [J]. Climatic and Environmental Research (in Chinese), 28 (1): 74−88 doi: 10.3878/j.issn.1006-9585.2022.22017

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An Assessment of Southern Ocean Circulation Simulation by LASG/IAP Climate system Ocean Model

doi: 10.3878/j.issn.1006-9585.2022.22017

Jiahui BAI^{1, 2
,},
Hailong LIU^{1, 2
,
,},
Yiwen LI^{1, 2},
Pengfei LIN^{1, 2},
Zipeng YU^{1, 2}

1.
State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029
2.
College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049

Funds: National Key Research and Development Program of China (Grants 2020YFA0608902 and 2018YFA0605703), National Natural Science Foundation of China (Grants 41931183 and 41976026)

Received Date: 2022-01-28
Available Online: 2022-12-21
Publish Date: 2023-01-25

Abstract

Abstract

An analysis of the Antarctic Circumpolar Circulation (ACC) and the southern ocean Meridional Overturning Circulation (MOC) simulated by the LICOM3.0 using the model outputs obtained from the Ocean Model Intercomparison Project (OMIP) is presented in this article. The mean, variability, and trends of the ACC and MOC over the 1958–2009 period are focused and their relationships with the surface forcing are studied. The model results are compared with available observations, simulation results from other models having finer resolutions, and also with theoretical constraints to check the reliability of the simulations. Generally, the ACC and the Southern Ocean MOC simulated by LICOM3.0 have a similar and reasonable mean state in the two experiments, presenting similar trends from 1958–2009. However, Southern Ocean transport has a larger trend in the OMIP1 experiment, which is related to surface forces. Their correlation needs to be studied further.
- Southern Ocean,
- Antarctic Circumpolar Circulation,
- Meridional Overturning Circulation,
- LICOM model

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References(44)

References

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