Articles | Volume 16, issue 10
https://doi.org/10.5194/acp-16-6191-2016
https://doi.org/10.5194/acp-16-6191-2016
Research article
 | 
20 May 2016
Research article |  | 20 May 2016

Long-term trends of surface ozone and its influencing factors at the Mt Waliguan GAW station, China – Part 1: Overall trends and characteristics

Wanyun Xu, Weili Lin, Xiaobin Xu, Jie Tang, Jianqing Huang, Hao Wu, and Xiaochun Zhang

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Cited articles

Ambrose, J. L., Reidmiller, D. R., and Jaffe, D. A.: Causes of high O3 in the lower free troposphere over the Pacific Northwest as observed at the Mt. Bachelor Observatory, Atmos. Environ., 45, 5302–5315, https://doi.org/10.1016/j.atmosenv.2011.06.056, 2011.
Cooper, O. R., Parrish, D., Ziemke, J., Balashov, N., Cupeiro, M., Galbally, I., Gilge, S., Horowitz, L., Jensen, N., and Lamarque, J.-F.: Global distribution and trends of tropospheric ozone: An observation-based review, Elementa: Science of the Anthropocene, 2, 000029, https://doi.org/10.12952/journal.elementa.000029, 2014.
Cui, J., Pandey Deolal, S., Sprenger, M., Henne, S., Staehelin, J., Steinbacher, M., and Nédélec, P.: Free tropospheric ozone changes over Europe as observed at Jungfraujoch (1990–2008): An analysis based on backward trajectories, J. Geophys. Res.-Atmos., 116, D10304, https://doi.org/10.1029/2010JD015154, 2011.
Ding, A. and Wang, T.: Influence of stratosphere-to-troposphere exchange on the seasonal cycle of surface ozone at Mount Waliguan in western China, Geophys. Res. Lett., 33, L03803, https://doi.org/10.1029/2005GL024760, 2006.
Short summary
Long-term characteristics and trends of baseline surface ozone concentration at Waliguan station in western China for the period of 1994 to 2013 were analysed, using a modified Mann–Kendall test and the Hilbert–Huang transform analysis for the trend and periodicity analysis, respectively. Significant increasing trends were detected in all seasons, except for summer. The non-linearity caused by the interannual variation of ozone concentrations is evident, showing a 2–4-year, 7- and 11-year periodicity.
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