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DOI10.5194/acp-19-10787-2019
Simulated coordinated impacts of the previous autumn North Atlantic Oscillation (NAO) and winter El Nino on winter aerosol concentrations over eastern China
Feng, Juan1; Li, Jianping1,2,3; Liao, Hong4; Zhu, Jianlei5
2019-08-27
发表期刊ATMOSPHERIC CHEMISTRY AND PHYSICS
ISSN1680-7316
EISSN1680-7324
出版年2019
卷号19期号:16页码:10787-10800
文章类型Article
语种英语
国家Peoples R China
英文摘要

The high aerosol concentration (AC) over eastern China has attracted attention from both science and society. Based on the simulations of a chemical transport model using a fixed emissions level, the possible impact of the previous autumn North Atlantic Oscillation (NAO) combined with the simultaneous El Nino-Southern Oscillation (ENSO) on the boreal winter AC over eastern China is investigated. We find that the NAO only manifests its negative impacts on the AC during its negative phase over central China, and a significant positive influence on the distribution of AC is observed over south China only during the warm events of ENSO. The impact of the previous NAO on the AC occurs via an anomalous sea surface temperature tripole pattern by which a teleconnection wave train is induced that results in anomalous convergence over central China. In contrast, the occurrence of ENSO events may induce an anomalous shift in the western Pacific subtropical high and result in anomalous southwesterlies over south China. The anomalous circulations associated with a negative NAO and El Nino are not favorable for the transport of AC and correspond to worsening air conditions over central and south China. The results highlight the fact that the combined effects of tropical and extratropical systems play a considerable role in affecting the boreal winter AC over eastern China.


领域地球科学
收录类别SCI-E
WOS记录号WOS:000483044200001
WOS关键词SEA-SURFACE TEMPERATURE ; ASIAN SUMMER ; BLACK CARBON ; LA-NINA ; INTERANNUAL VARIATIONS ; MONSOON ; PRECIPITATION ; CLIMATE ; VARIABILITY ; DUST
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/186130
专题地球科学
作者单位1.Beijing Normal Univ, Coll Global Change & Earth Syst Sci, Beijing, Peoples R China;
2.Ocean Univ China, Inst Adv Ocean Studies, Key Lab Phys Oceanog, Qingdao 266003, Shandong, Peoples R China;
3.Qingdao Natl Lab Marine Sci & Technol, Qingdao 266003, Shandong, Peoples R China;
4.Nanjing Univ Informat Sci & Technol, Sch Environm Sci & Engn, Nanjing, Jiangsu, Peoples R China;
5.China ASEAN Environm Cooperat Ctr, Beijing, Peoples R China
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GB/T 7714
Feng, Juan,Li, Jianping,Liao, Hong,et al. Simulated coordinated impacts of the previous autumn North Atlantic Oscillation (NAO) and winter El Nino on winter aerosol concentrations over eastern China[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2019,19(16):10787-10800.
APA Feng, Juan,Li, Jianping,Liao, Hong,&Zhu, Jianlei.(2019).Simulated coordinated impacts of the previous autumn North Atlantic Oscillation (NAO) and winter El Nino on winter aerosol concentrations over eastern China.ATMOSPHERIC CHEMISTRY AND PHYSICS,19(16),10787-10800.
MLA Feng, Juan,et al."Simulated coordinated impacts of the previous autumn North Atlantic Oscillation (NAO) and winter El Nino on winter aerosol concentrations over eastern China".ATMOSPHERIC CHEMISTRY AND PHYSICS 19.16(2019):10787-10800.
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