气候变化领域集成服务门户(CCPortal): Dominant synoptic patterns during wintertime and their impacts on aerosol pollution in Central China

CCPortal

DOI	10.1016/j.atmosres.2019.104701
	Dominant synoptic patterns during wintertime and their impacts on aerosol pollution in Central China
	Mao F.; Zang L.; Wang Z.; Pan Z.; Zhu B.; Gong W.
发表日期	2020
ISSN	0169-8095
卷号	232
英文摘要	Meteorological conditions are largely driven by synoptic circulations, affecting pollutant transport, dispersion, and even emissions. Partly due to the lack of systematic investigations of meteorological impact at large- and local-scale, aerosol pollution in Central China is not yet fully understood. This study conducted synoptic classification based on the obliquely rotated principal component analysis in T-mode, and investigated the relationship between aerosol pollution and the prevailing synoptic patterns over Wuhan during wintertime from 2014 to 2018. Among five identified patterns, three driven by the northerly high-pressure systems, accompanied by weak surface winds, low boundary layer height, and high relative humidity, were found to be closely related to heavy pollution. Notably, the winter aerosol pollution in Wuhan showed a declining trend in recent years, which also slightly benefited from the interannual variation of synoptic patterns besides emission control. However, with the increase in humidity, pollution caused by secondary particles cannot be ignored. The oxidation rate of sulfur and nitrogen in the atmosphere was about 0.1 higher in 2018 than in 2014. This study is significant for pollution control in Wuhan and its surrounding areas of Central China. © 2019 Elsevier B.V.
英文关键词	Aerosol pollution; Central China; Summary:Adverse weather conditions and northerly pollutant transport are the essential reasons for severe pollution during winter in Central China.; Synoptic patterns; Wintertime
学科领域	Aerosols; Atmospheric movements; Boundary layer flow; Boundary layers; Emission control; Principal component analysis; Central chinas; High relative humidities; Meteorological condition; Pollutant transport; Rotated principal components; Synoptic classification; Synoptic patterns; Wintertime; Air pollution; aerosol composition; aerosol formation; air quality; atmospheric pollution; nitrogen; pollutant transport; pollution monitoring; sulfur; synoptic meteorology; winter; China; Hubei; Wuhan
语种	英语
scopus关键词	Aerosols; Atmospheric movements; Boundary layer flow; Boundary layers; Emission control; Principal component analysis; Central chinas; High relative humidities; Meteorological condition; Pollutant transport; Rotated principal components; Synoptic classification; Synoptic patterns; Wintertime; Air pollution; aerosol composition; aerosol formation; air quality; atmospheric pollution; nitrogen; pollutant transport; pollution monitoring; sulfur; synoptic meteorology; winter; China; Hubei; Wuhan
来源期刊	Atmospheric Research
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/120582
作者单位	School of Remote Sensing and Information Engineering, Wuhan University, Wuhan, 430079, China; Chinese Antarctic Center of Surveying and Mapping, Wuhan University, Wuhan, 430079, China; State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, 430079, China; Collaborative Innovation Center for Geospatial Technology, Wuhan, 430079, China; Hubei Environmental Monitoring Centre, Wuhan, 430079, China
推荐引用方式 GB/T 7714	Mao F.,Zang L.,Wang Z.,et al. Dominant synoptic patterns during wintertime and their impacts on aerosol pollution in Central China[J],2020,232.
APA	Mao F.,Zang L.,Wang Z.,Pan Z.,Zhu B.,&Gong W..(2020).Dominant synoptic patterns during wintertime and their impacts on aerosol pollution in Central China.Atmospheric Research,232.
MLA	Mao F.,et al."Dominant synoptic patterns during wintertime and their impacts on aerosol pollution in Central China".Atmospheric Research 232(2020).