Articles | Volume 18, issue 2
Atmos. Chem. Phys., 18, 773–798, 2018
https://doi.org/10.5194/acp-18-773-2018

Special issue: Study of ozone, aerosols and radiation over the Tibetan Plateau...

Atmos. Chem. Phys., 18, 773–798, 2018
https://doi.org/10.5194/acp-18-773-2018

Research article 22 Jan 2018

Research article | 22 Jan 2018

Long-term trends of surface ozone and its influencing factors at the Mt Waliguan GAW station, China – Part 2: The roles of anthropogenic emissions and climate variability

Wanyun Xu et al.

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Short summary
The impact of anthropogenic emissions and climate variability on the long-term trends and periodicity of surface ozone measured at Mt Waliguan (WLG) for the period of 1994–2013 is studied. STT ozone and rising emissions in eastern China contribute to spring and autumnal increasing trends, respectively. The 2–3-, 3–7-, and 11-year periodicities in the ozone data are linked to the QBO, EASMI, and sunspot cycle, respectively. An empirical model is obtained for normalised monthly ozone at WLG.
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