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Characteristics of Surface Ozone in Five Provincial Capital Cities of China during 2014-2015
Wang, Xin1,2; Shen, Zhenxing1,3; Tang, Zhuoyue1; Li, Guohui3; Lei, Yali1; Zhang, Qian1; Zeng, Yaling1; Xu, Hongmei1; Cao, Junji3; Zhang, Renjian4
Corresponding AuthorShen, Zhenxing( ; Zhang, Renjian(
Source PublicationATMOSPHERE
AbstractOzone (O-3) pollution has become an increasing concern in China since elevated surface O-3 concentrations were observed in recent years. In this study, five provincial cities (Beijing, Shanghai, Guangzhou, Xi'an, and Hefei) located in different regions of China were selected to study the spatiotemporal variations and affecting factors of O-3 concentrations during 2014-2015. Beijing, Shanghai, and Guangzhou had suffered more severe O-3 pollution, yet Beijing had the highest number of days that exceeded the Chinese MDA8 (maximum daily 8 h average) standard of 160 mu g m(-3). MDA8 O-3 exhibited different seasonal patterns among the five cities. In Beijing and Xi'an, MDA8 O-3 showed the highest in summer and lowest in winter. Guangzhou also had the highest O-3 concentration in summer, but had similar levels in other three seasons. The O-3 levels were similarly high in Shanghai during spring, summer, and autumn, while in Hefei, O-3 concentration peaked in autumn. No significant difference between weekend and weekday O-3 levels was observed in all the five cities. The diurnal cycle reached a maximum in the afternoon and a minimum in the early morning, which was consistent in the five cities. Correlation analyses showed that the associations between O-3 and the other five criteria air pollutants, as well as meteorological parameters, were substantially different among the five cities. Air mass cluster analyses during episodic days revealed that the short-distance transport of O-3 and its precursors had a greater impact for high O-3 pollution in the five cities. Overall, our results demonstrate that O-3 pollution exhibited great divergence among different regions and thus region-oriented control measures are suggested to reduce O-3 pollution in China.
Keywordsurface ozone meteorological parameter air pollution China
Indexed BySCI ; SCI
Funding ProjectNatural Science Foundation of Shaanxi Province, China[2016ZDJC-22] ; SKLLQG, Chinese Academy of Sciences[SKLLQG1616]
WOS Research AreaMeteorology & Atmospheric Sciences
Funding OrganizationNatural Science Foundation of Shaanxi Province, China ; SKLLQG, Chinese Academy of Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000516826200107
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorShen, Zhenxing; Zhang, Renjian
Affiliation1.Xi An Jiao Tong Univ, Dept Environm Sci & Engn, Xian 710049, Peoples R China
2.Max Planck Inst Chem, Multiphase Chem Dept, D-55128 Mainz, Germany
3.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian 710049, Peoples R China
4.Chinese Acad Sci, Inst Atmospher Phys, Key Lab Reg Climate Environm Res Temperate East A, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Wang, Xin,Shen, Zhenxing,Tang, Zhuoyue,et al. Characteristics of Surface Ozone in Five Provincial Capital Cities of China during 2014-2015[J]. ATMOSPHERE,2020,11(1):15.
APA Wang, Xin.,Shen, Zhenxing.,Tang, Zhuoyue.,Li, Guohui.,Lei, Yali.,...&Zhang, Renjian.(2020).Characteristics of Surface Ozone in Five Provincial Capital Cities of China during 2014-2015.ATMOSPHERE,11(1),15.
MLA Wang, Xin,et al."Characteristics of Surface Ozone in Five Provincial Capital Cities of China during 2014-2015".ATMOSPHERE 11.1(2020):15.
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