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East Asian Study of Tropospheric Aerosols and their Impact on Regional Clouds, Precipitation, and Climate (EAST-AIR_(CPC))

Li, Zhanqing and Wang, Yuan and Guo, Jianping and Zhao, Chuanfeng and Cribb, Maureen C. and Dong, Xiquan and Fan, Jiwen and Gong, Daoyi and Huang, Jianping and Jiang, Mengjiao and Jiang, Yiquan and Lee, S.‐S. and Li, Huan and Li, Jiming and Liu, Jianjun and Qian, Yun and Rosenfeld, Daniel and Shan, Siyu and Sun, Yele and Wang, Huijun and Xin, Jinyuan and Yan, Xin and Yang, Xin and Yang, Xiu‐qun and Zhang, Fang and Zheng, Youtong (2019) East Asian Study of Tropospheric Aerosols and their Impact on Regional Clouds, Precipitation, and Climate (EAST-AIR_(CPC)). Journal of Geophysical Research. Atmospheres, 124 (23). pp. 13026-13054. ISSN 2169-897X. doi:10.1029/2019jd030758.

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Aerosols have significant and complex impacts on regional climate in East Asia. Cloud‐aerosol‐precipitation interactions (CAPI) remain most challenging in climate studies. The quantitative understanding of CAPI requires good knowledge of aerosols, ranging from their formation, composition, transport, and their radiative, hygroscopic, and microphysical properties. A comprehensive review is presented here centered on the CAPI based chiefly, but not limited to, publications in the special section named EAST‐AIRcpc concerning (1) observations of aerosol loading and properties, (2) relationships between aerosols and meteorological variables affecting CAPI, (3) mechanisms behind CAPI, and (4) quantification of CAPI and their impact on climate. Heavy aerosol loading in East Asia has significant radiative effects by reducing surface radiation, increasing the air temperature, and lowering the boundary layer height. A key factor is aerosol absorption, which is particularly strong in central China. This absorption can have a wide range of impacts such as creating an imbalance of aerosol radiative forcing at the top and bottom of the atmosphere, leading to inconsistent retrievals of cloud variables from space‐borne and ground‐based instruments. Aerosol radiative forcing can delay or suppress the initiation and development of convective clouds whose microphysics can be further altered by the microphysical effect of aerosols. For the same cloud thickness, the likelihood of precipitation is influenced by aerosols: suppressing light rain and enhancing heavy rain, delaying but intensifying thunderstorms, and reducing the onset of isolated showers in most parts of China. Rainfall has become more inhomogeneous and more extreme in the heavily polluted urban regions.

Item Type:Article
Related URLs:
URLURL TypeDescription
Li, Zhanqing0000-0001-6737-382X
Wang, Yuan0000-0001-6657-8401
Guo, Jianping0000-0001-8530-8976
Zhao, Chuanfeng0000-0002-5196-3996
Cribb, Maureen C.0000-0002-9745-3676
Dong, Xiquan0000-0002-3359-6117
Fan, Jiwen0000-0001-5280-4391
Gong, Daoyi0000-0003-3661-1842
Huang, Jianping0000-0003-2845-797X
Jiang, Mengjiao0000-0002-5342-0450
Jiang, Yiquan0000-0001-6761-7281
Lee, S.‐S.0000-0001-8405-170X
Li, Jiming0000-0002-7286-3580
Liu, Jianjun0000-0001-8747-3334
Qian, Yun0000-0003-4821-1934
Rosenfeld, Daniel0000-0002-0784-7656
Shan, Siyu0000-0001-5963-7231
Sun, Yele0000-0003-2354-0221
Xin, Jinyuan0000-0003-4243-5072
Yang, Xin0000-0001-5111-2959
Zhang, Fang0000-0002-5395-601X
Zheng, Youtong0000-0002-5961-7617
Alternate Title:East Asian Study of Tropospheric Aerosols and their Impact on Regional Clouds, Precipitation, and Climate (EAST‐AIRCPC)
Additional Information:© 2019 American Geophysical Union. Received 5 APR 2019; Accepted 6 SEP 2019; Accepted article online 23 OCT 2019; Published online 5 DEC 2019. The work reported here has been supported by a large number of grants that have been acknowledged in the cited references particularly. Listed here are those in support of a few authors who contributed most to this paper per se: the National Natural Science Foundation of China (91544217), the Ministry of Science and Technology of China (2017YFC1501702, 2017YFC1501401, 2013CB955804), the U.S. National Science Foundation (AGS1837811, 1700727), and the U.S. Department of Energy (DE‐SC0018996, DE‐AC05‐76RL01830) and NASA (NNX16AN61G). J. Fan acknowledges the support of U.S. Department of Energy Office of Science Early Career Award Program.
Funding AgencyGrant Number
National Natural Science Foundation of China91544217
Ministry of Science and Technology (Taipei)2017YFC1501702
Ministry of Science and Technology (Taipei)2017YFC1501401
Ministry of Science and Technology (Taipei)2013CB955804
Department of Energy (DOE)DE‐SC0018996
Department of Energy (DOE)DE‐AC05‐76RL01830
Issue or Number:23
Record Number:CaltechAUTHORS:20191220-104825920
Persistent URL:
Official Citation:Li, Z., Wang, Y., Guo, J., Cribb, M. C., Dong, X., Fan, J., et al. (2019). East asian study of tropospheric aerosols and their impact on regional clouds, precipitation, and climate (EAST‐AIRCPC). Journal of Geophysical Research: Atmospheres, 124, 13026–13054.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:100395
Deposited By: Tony Diaz
Deposited On:20 Dec 2019 19:14
Last Modified:16 Nov 2021 17:53

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