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On the Robustness of the Weakening Effect of Anthropogenic Aerosols on the East Asian Summer Monsoon with Multimodel Results
Wang, Hongli1; Xie, Xiaoning1; Liu, Xiaodong1,2
2015
发表期刊ADVANCES IN METEOROLOGY
ISSN1687-9309
卷号2015期号:397395
文章类型Article
摘要

Using outputs from 10 CMIP5 models with fixed sea surface temperature, we investigate the fast response of the East Asian summer monsoon (EASM) and summer precipitation in East China to anthropogenic aerosols. To address this topic, we employ two commonly used EASM indices that can represent zonal and meridional land-sea thermal contrast, respectively. The results reveal that the notion of a weakened EASM in response to increased anthropogenic aerosols is a robust one, as well as decreased precipitation in East China. The ensemble mean of decreased precipitation in the aerosol run was about 6.6% in comparison to the CTL run and could be enlarged to 8.3% by excluding the experiments with the aerosol direct effect only. Convective precipitation was found to be the primary contributor (>80%) to the reduction of total precipitation. The combination of direct and indirect effects of aerosols can decrease solar radiation reaching the Earth's surface and eventually modulate large-scale EASM circulation and suppress summer precipitation in East China. The uncertainties and discrepancies among the models highlight the complexity of interaction in aerosol-precipitation processes when investigating present and future changes of the EASM.

WOS标题词Science & Technology ; Physical Sciences
DOI10.1155/2015/397395
关键词[WOS]Precipitation ; Responses ; Models
收录类别SCI
语种英语
WOS研究方向Meteorology & Atmospheric Sciences
WOS类目Meteorology & Atmospheric Sciences
WOS记录号WOS:000353782300001
出版者HINDAWI PUBLISHING CORPORATION
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9382
专题古环境研究室
通讯作者Xie, Xiaoning
作者单位1.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Xian 710075, Peoples R China
2.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Dept Environm Sci & Technol, Xian 710049, Peoples R China
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Wang, Hongli,Xie, Xiaoning,Liu, Xiaodong. On the Robustness of the Weakening Effect of Anthropogenic Aerosols on the East Asian Summer Monsoon with Multimodel Results[J]. ADVANCES IN METEOROLOGY,2015,2015(397395).
APA Wang, Hongli,Xie, Xiaoning,&Liu, Xiaodong.(2015).On the Robustness of the Weakening Effect of Anthropogenic Aerosols on the East Asian Summer Monsoon with Multimodel Results.ADVANCES IN METEOROLOGY,2015(397395).
MLA Wang, Hongli,et al."On the Robustness of the Weakening Effect of Anthropogenic Aerosols on the East Asian Summer Monsoon with Multimodel Results".ADVANCES IN METEOROLOGY 2015.397395(2015).
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