The Brazilian Earth System Model ocean–atmosphere (BESM-OA) version 2.5: evaluation of its CMIP5 historical simulation

Autor: Vinicius Buscioli Capistrano, Paulo Nobre, Carlos A. Nobre, Emanuel Giarolla, Andre Lanfer Marquez, Manoel Baptista Jr., Paulo Yoshio Kubota, Silvio Nilo Figueroa, José Paulo Bonatti, Sandro F. Veiga
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Geoscientific Model Development, Vol 12, Pp 1613-1642 (2019)
ISSN: 1991-9603
Popis: The performance of the coupled ocean–atmosphere component of the Brazilian Earth System Model version 2.5 (BESM-OA2.5) was evaluated in simulating the historical period 1850–2005. After a climate model validation procedure in which the main atmospheric and oceanic variabilities were evaluated against observed and reanalysis datasets, the evaluation specifically focused on the mean climate state and the most important large-scale climate variability patterns simulated in the historical run, which was forced by the observed greenhouse gas concentration. The most significant upgrades in the model's components are also briefly presented here. BESM-OA2.5 could reproduce the most important large-scale variabilities, particularly over the Atlantic Ocean (e.g., the North Atlantic Oscillation, the Atlantic Meridional Mode, and the Atlantic Meridional Overturning Circulation), and the extratropical modes that occur in both hemispheres. The model's ability to simulate such large-scale variabilities supports its usefulness for seasonal climate prediction and in climate change studies.
Databáze: OpenAIRE
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