Origin of springtime ozone enhancements in the lower troposphereover Beijing: in situ measurements and model analysis
Huang,J[1]; Liu,H[1]; Crawford,J.H.[2]; Chan,C[3]; Considine,DB[3,4]; Zhang,Y[5]; Zheng,X[6]; Zhao,C[7]; Thouret,V[8]; Oltmans,S.J[9,10]; Liu,SC[11]; Jones,DBA[12]; Steenrod,SD[13,14]; Damon,MR[14,15]
2015
发表期刊Atmospheric Chemistry and Physics
卷号15期号:2015页码:5161-5179
文章类型期刊论文
摘要

Ozone (O3) concentrations in the lower troposphere (LT) over Beijing have significantly increased over the past two decades as a result of rapid industrialization in China, with important implications for regional air quality and photochemistry of the background troposphere. We characterize the vertical distribution of lower-tropospheric (0–6 km) O3 over Beijing using observations from 16 ozonesonde soundings made during a field campaign in April–May 2005 and MOZAIC (Measurement of Ozone and Water Vapor by Airbus In-Service Aircraft) aircraft measurements over 13 days in the same period. We focus on the origin of LT O3 enhancements observed over Beijing, particularly in May. We use a global 3-D chemistry and transport model (GEOS-Chem CTM) driven by assimilated meteorological fields to examine the transport pathways for O3 pollution, and quantify the sources contributing to O3 and its enhancements in the springtime LT over Beijing. Output from the Global Modeling Initiative (GMI) CTM is also used. High O3 concentrations (up to 94.7 ppbv) were frequently observed at the altitude of ~1.5–2 km. The CTMs captured the timing of the occurrences but significantly underestimated their magnitude. GEOS-Chem simulations and a case study showed that O3 produced in the Asian troposphere (especially from Asian anthropogenic pollution) made major contributions to the observed O3 enhancements. Contributions from anthropogenic pollution in the European and North American troposphere were reduced during these events, in contrast with days without O3 enhancements, when contributions from Europe and North America were substantial. The O3 enhancements typically occurred under southerly wind and warmer conditions. It is suggested that an earlier onset of the Asian summer monsoon would cause more O3 enhancement events in the lower troposphere over the North China Plain in late spring and early summer.

DOI10.5194/acp-15-5161-2015
收录类别SCI
语种英语
引用统计
被引频次:12[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/361006/9502
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.National Institute of Aerospace, Hampton, VA, USA;
2.NASA Langley Research Center, Hampton, VA, USA;
3.Institute of Earth Environment, Chinese Academy of Sciences, Xi’an, China;
4.NASA Headquarters, Washington, D.C., USA;
5.South China Institute of Environmental Science, Guangzhou, Guangdong, China;
6.Chinese Academy of Meteorological Sciences, Beijing, China;
7.Department of Atmospheric Science, Peking University, Beijing, China;
8.Laboratoire d’Aérologie, UMR5560, Toulouse, France;
9.CIRES, University of Colorado, Boulder, CO, USA;
10.NOAA ESRL, Boulder, CO, USA;
11.Research Center for Environmental Changes, Academia Sinica, Taipei, Taiwan;
12.Department of Physics, University of Toronto, Toronto, Ontario, Canada;
13.Universities Space Research Association, Columbia, MD, USA;
14.NASA Goddard Space Flight Center, Greenbelt, MD, USA;
15.Science Systems and Applications Inc., Lanham, MD, USA
推荐引用方式
GB/T 7714
Huang,J[1],Liu,H[1],Crawford,J.H.[2],et al. Origin of springtime ozone enhancements in the lower troposphereover Beijing: in situ measurements and model analysis[J]. Atmospheric Chemistry and Physics,2015,15(2015):5161-5179.
APA Huang,J[1].,Liu,H[1].,Crawford,J.H.[2].,Chan,C[3].,Considine,DB[3,4].,...&Damon,MR[14,15].(2015).Origin of springtime ozone enhancements in the lower troposphereover Beijing: in situ measurements and model analysis.Atmospheric Chemistry and Physics,15(2015),5161-5179.
MLA Huang,J[1],et al."Origin of springtime ozone enhancements in the lower troposphereover Beijing: in situ measurements and model analysis".Atmospheric Chemistry and Physics 15.2015(2015):5161-5179.
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