An exploration of the aerosol indirect effects in East Asia using a regional climate model

被引：0
|
作者：
Salah, Zeinab [1 ]
Steiner, Allison [2 ]
Zakey, Ashraf Saber [1 ]
Shalaby, Ahmed [1 ]
Abdel Wahab, M. M. [3 ]
机构：
[1] Egyptian Meteorol Author, POB 11784, Cairo, Egypt
[2] Univ Michigan, Space Res Bldg,2455 Hayward St, Ann Arbor, MI 48109 USA
[3] Cairo Univ, POB 12613, Cairo, Egypt
来源：
ATMOSFERA | 2020年 / 33卷 / 01期
关键词：
aerosol; indirect effects; East Asian summer monsoon; precipitation; Regional Climate Model; ANTHROPOGENIC AEROSOLS; CLOUD; PARAMETERIZATION; PRECIPITATION; ALBEDO; SENSITIVITY; SIMULATION; FEEDBACK; MONSOON; CHINA;
D O I：
10.20937/ATM.52604
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
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 (SO42-), 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.
引用
收藏
页码：87 / 103
页数：17
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