Articles | Volume 19, issue 11
Research article
04 Jun 2019
Research article |  | 04 Jun 2019

Temporal variations and trend of ground-level ozone based on long-term measurements in Windsor, Canada

Xiaohong Xu, Tianchu Zhang, and Yushan Su


Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Anna Mirena Feist-Polner on behalf of the Authors (15 Mar 2019)  Author's response    Manuscript
ED: Publish subject to technical corrections (07 May 2019) by Min Shao
AR by X. Xu on behalf of the Authors (13 May 2019)  Author's response    Manuscript
Short summary
This study investigates temporal variations and long-term trends in O3 (ozone) and its precursors in Windsor, Canada. During the 1996–2015 period, NOx (nitric oxides) and non-methane hydrocarbon concentrations decreased by 58 % and 61 %, respectively. Annual O3 concentrations increased by 33 % due to (1) decreased O3 titration owing to declining NOx concentrations, (2) reduced local photochemical production of O3 because of dwindling precursor emissions, and (3) increased background O3 level.
Final-revised paper