Articles | Volume 19, issue 11
https://doi.org/10.5194/acp-19-7335-2019
https://doi.org/10.5194/acp-19-7335-2019
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

Related authors

Potential sources and processes affecting speciated atmospheric mercury at Kejimkujik National Park, Canada: comparison of receptor models and data treatment methods
Xiaohong Xu, Yanyin Liao, Irene Cheng, and Leiming Zhang
Atmos. Chem. Phys., 17, 1381–1400, https://doi.org/10.5194/acp-17-1381-2017,https://doi.org/10.5194/acp-17-1381-2017, 2017
Short summary
Overview of receptor-based source apportionment studies for speciated atmospheric mercury
I. Cheng, X. Xu, and L. Zhang
Atmos. Chem. Phys., 15, 7877–7895, https://doi.org/10.5194/acp-15-7877-2015,https://doi.org/10.5194/acp-15-7877-2015, 2015
Short summary

Related subject area

Subject: Gases | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
Spatiotemporal variations in atmospheric CH4 concentrations and enhancements in northern China based on a comprehensive dataset: ground-based observations, TROPOMI data, inventory data, and inversions
Pengfei Han, Ning Zeng, Bo Yao, Wen Zhang, Weijun Quan, Pucai Wang, Ting Wang, Minqiang Zhou, Qixiang Cai, Yuzhong Zhang, Ruosi Liang, Wanqi Sun, and Shengxiang Liu
Atmos. Chem. Phys., 25, 4965–4988, https://doi.org/10.5194/acp-25-4965-2025,https://doi.org/10.5194/acp-25-4965-2025, 2025
Short summary
Marine emissions and trade winds control the atmospheric nitrous oxide in the Galapagos Islands
Timur Cinay, Dickon Young, Nazaret Narváez Jimenez, Cristina Vintimilla-Palacios, Ariel Pila Alonso, Paul B. Krummel, William Vizuete, and Andrew R. Babbin
Atmos. Chem. Phys., 25, 4703–4718, https://doi.org/10.5194/acp-25-4703-2025,https://doi.org/10.5194/acp-25-4703-2025, 2025
Short summary
Measurement report: A complex street-level air quality observation campaign in a heavy-traffic area utilizing the multivariate adaptive regression splines method for field calibration of low-cost sensors
Petra Bauerová, Josef Keder, Adriana Šindelářová, Ondřej Vlček, William Patiño, Pavel Krč, Jan Geletič, Hynek Řezníček, Martin Bureš, Kryštof Eben, Michal Belda, Jelena Radović, Vladimír Fuka, Radek Jareš, Igor Esau, and Jaroslav Resler
Atmos. Chem. Phys., 25, 4477–4504, https://doi.org/10.5194/acp-25-4477-2025,https://doi.org/10.5194/acp-25-4477-2025, 2025
Short summary
The impact of organic nitrates on summer ozone formation in Shanghai, China
Chunmeng Li, Xiaorui Chen, Haichao Wang, Tianyu Zhai, Xuefei Ma, Xinping Yang, Shiyi Chen, Min Zhou, Shengrong Lou, Xin Li, Limin Zeng, and Keding Lu
Atmos. Chem. Phys., 25, 3905–3918, https://doi.org/10.5194/acp-25-3905-2025,https://doi.org/10.5194/acp-25-3905-2025, 2025
Short summary
Differences in the key volatile organic compound species between their emitted and ambient concentrations in ozone formation
Xudong Zheng and Shaodong Xie
Atmos. Chem. Phys., 25, 3807–3820, https://doi.org/10.5194/acp-25-3807-2025,https://doi.org/10.5194/acp-25-3807-2025, 2025
Short summary

Cited articles

Akimoto, H., Mori, Y., Sasaki, K., Nakanishi, H., Ohizumi, T., and Itano, Y.: Analysis of monitoring data of ground-level ozone in Japan for long-term trend during 1990–2010: Causes of temporal and spatial variation, Atmos. Environ., 102, 302–310, 2015. 
Aleksic, N., Sedefian, L., and Ku, M.: Empirical estimates of summer background ozone levels in New York State, New York State Department of Environmental Conservation, Albany, NY, 2011. 
Carter, W. P. L.: Development of ozone reactivity scales for volatile organic compounds, J. Air Waste Manag. Assoc., 44, 881–899, 1994. 
Carter, W. P. L.: Documentation of the SAPRC-99 chemical mechanism for VOC reactivity assessment, University of California, Riverside, CA, available at: http://www.engr.ucr.edu/~carter/pubs/s99doc.pdf (last access: 4 June 2018), 1999. 
Chang, K. L., Petropavlovskikh, I., Cooper, O. R., Schultz, M. G., and Wang, T.: Regional trend analysis of surface ozone observations from monitoring networks in eastern North America, Europe and East Asia, Elem. Sci. Anth., 5, 50, https://doi.org/10.1525/elementa.243, 2017. 
Download
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.
Share
Altmetrics
Final-revised paper
Preprint