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Atmósfera
versión impresa ISSN 0187-6236
Resumen
SALAH, Zeinab et al. An exploration of the aerosol indirect effects in East Asia using a regional climate model. Atmósfera [online]. 2020, vol.33, n.1, pp.87-103. Epub 04-Dic-2020. ISSN 0187-6236. https://doi.org/10.20937/atm.52604.
In this study, the aerosol direct, semi-direct and indirect effects on the East Asia climate are investigated using the International Center for Theoretical Physics Regional Climate Model v. 4 (RegCM4.1.1), by focusing on the East Asian Summer Monsoon temperature and precipitation. The externally mixed aerosols, including sulfate (SO4 2-), black carbon and organic carbon, reduced the solar flux reaching the surface directly by scattering solar radiation, and indirectly by increasing the cloud droplet concentration and cloud liquid water path over East China. The combined aerosol effects (direct and indirect) decreased the temperature on the continent and increased it over the oceans, leading to the reduction of rainfall in the central regions of China and an enhancement of rainfall in the adjacent ocean regions.
Palabras llave : aerosol; indirect effects; East Asian summer monsoon; precipitation; Regional Climate Model.