Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.5194/acp-17-11673-2017 |
Role of atmospheric circulations in haze pollution in December 2016 | |
Yin, Zhicong1,2; Wang, Huijun1,2,3 | |
2017-09-28 | |
发表期刊 | ATMOSPHERIC CHEMISTRY AND PHYSICS
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ISSN | 1680-7316 |
EISSN | 1680-7324 |
出版年 | 2017 |
卷号 | 17期号:18 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | In the east of China, recent haze pollution has been severe and damaging. In addition to anthropogenic emissions, atmospheric circulations and local meteorological conditions were conducive factors. The number of December haze days over North China and the Huanghuai area has increased sharply since 2010 and was greatest in 2016. During 2016, the most aggressive control measures for anthropogenic emissions were implemented from 16 to 21 December, but the most severe haze pollution still occurred, covering approximately 25% of the land area of China and lasting for 6 days. The atmospheric circulations must play critical roles in the sub-seasonal haze events. Actually, the positive phase of the East Atlantic-West Russia pattern in the middle troposphere strengthened the anomalous anti-cyclone over the NH area that confined vertical motion below. The associated southerly anomalies made the cold air and surface wind speed weaker, but enhanced the humid flow. Thus, the horizontal and vertical dispersion of atmospheric particulates was suppressed and the pollutants gathered within a narrow space. In December 2016, these key indices were strongly beneficial for haze occurrence and combined to result in the severest haze pollution. The influences of the preceding autumn sea surface temperature near the Gulf of Alaska and the subtropical eastern Pacific, October-November snow cover in western Siberia, and associated physical processes on haze pollution are also discussed. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000411884400006 |
WOS关键词 | NORTH CHINA ; EVENTS ; WINTER ; FOG |
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/18395 |
专题 | 地球科学 |
作者单位 | 1.Nanjing Univ Informat Sci & Technol, CIC FEMD, Joint Int Res Lab Climate & Environm Change ILCEC, Key Lab Meteorol Disaster,Minist Educ, Nanjing 210044, Jiangsu, Peoples R China; 2.Chinese Acad Sci, Inst Atmospher Phys, Nansen Zhu Int Res Ctr, Beijing, Peoples R China; 3.Chinese Acad Sci, Climate Change Res Ctr, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Yin, Zhicong,Wang, Huijun. Role of atmospheric circulations in haze pollution in December 2016[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2017,17(18). |
APA | Yin, Zhicong,&Wang, Huijun.(2017).Role of atmospheric circulations in haze pollution in December 2016.ATMOSPHERIC CHEMISTRY AND PHYSICS,17(18). |
MLA | Yin, Zhicong,et al."Role of atmospheric circulations in haze pollution in December 2016".ATMOSPHERIC CHEMISTRY AND PHYSICS 17.18(2017). |
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