Articles | Volume 13, issue 11
https://doi.org/10.5194/gmd-13-5191-2020
https://doi.org/10.5194/gmd-13-5191-2020
Model experiment description paper
 | 
02 Nov 2020
Model experiment description paper |  | 02 Nov 2020

Boreal summer intraseasonal oscillation in a superparameterized general circulation model: effects of air–sea coupling and ocean mean state

Yingxia Gao, Nicholas P. Klingaman, Charlotte A. DeMott, and Pang-Chi Hsu

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Latest update: 13 Nov 2024
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Short summary
Both the air–sea coupling and ocean mean state affect the fidelity of simulated boreal summer intraseasonal oscillation (BSISO). To elucidate their relative effects on the simulated BSISO, a set of experiments was conducted using a superparameterized AGCM and its coupled version. Both air–sea coupling and cold ocean mean state improve the BSISO amplitude due to the suppression of the overestimated variance, while the former (latter) could further upgrade (degrade) the BSISO propagation.