Articles | Volume 15, issue 9
https://doi.org/10.5194/acp-15-5161-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-15-5161-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
11 May 2015
Research article |
| 11 May 2015
Origin of springtime ozone enhancements in the lower troposphere over Beijing: in situ measurements and model analysis
J. Huang
National Institute of Aerospace, Hampton, VA, USA
now at: University of Washington, Seattle, WA, USA
National Institute of Aerospace, Hampton, VA, USA
J. H. Crawford
NASA Langley Research Center, Hampton, VA, USA
C. Chan
Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China
D. B. Considine
Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China
NASA Headquarters, Washington, D.C., USA
Y. Zhang
South China Institute of Environmental Science, Guangzhou, Guangdong, China
X. Zheng
Chinese Academy of Meteorological Sciences, Beijing, China
C. Zhao
Department of Atmospheric Science, Peking University, Beijing, China
V. Thouret
Laboratoire d'Aérologie, UMR5560, Toulouse, France
S. J. Oltmans
CIRES, University of Colorado, Boulder, CO, USA
NOAA ESRL, Boulder, CO, USA
S. C. Liu
Research Center for Environmental Changes, Academia Sinica, Taipei, Taiwan
D. B. A. Jones
Department of Physics, University of Toronto, Toronto, Ontario, Canada
S. D. Steenrod
Universities Space Research Association, Columbia, MD, USA
NASA Goddard Space Flight Center, Greenbelt, MD, USA
M. R. Damon
NASA Goddard Space Flight Center, Greenbelt, MD, USA
Science Systems and Applications Inc., Lanham, MD, USA
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Latest update: 06 Dec 2025
Short summary
High ozone concentrations (up to 94.7ppbv) were frequently observed at an altitude of ~1.5--2km over Beijing during April--May 2005. Ozone due to Asian anthropogenic pollution made major contributions to the observed ozone enhancements. These enhancements typically occurred under southerly wind and warmer conditions. An earlier onset of the Asian summer monsoon would cause more ozone enhancement events in the lower troposphere over the North China Plain in late spring and early summer.
High ozone concentrations (up to 94.7ppbv) were frequently observed at an altitude of ~1.5--2km...
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