Articles | Volume 26, issue 3
https://doi.org/10.5194/acp-26-1889-2026
https://doi.org/10.5194/acp-26-1889-2026
Research article
 | 
06 Feb 2026
Research article |  | 06 Feb 2026

Why observed and modelled ozone production rates and sensitives differ, a case study at rural site in China

Jun Zhou, Bin Jiang, Bowen Zhong, Tao Zhang, Duohong Chen, Yuhong Zhai, Li Zhong, Zhijiong Huang, Junqing Luo, Minhui Deng, Mao Xiao, Jianhui Jiang, Jing Li, and Min Shao

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Cited articles

Baier, B. C., Brune, W. H., Lefer, B. L., Miller, D. O., and Martins, D. K.: Direct ozone production rate measurements and their use in assessing ozone source and receptor regions for Houston in 2013, Atmos. Environ., 114, 83–91, https://doi.org/10.1016/j.atmosenv.2015.05.033, 2015. 
Baier, B. C., Brune, W. H., Miller, D. O., Blake, D., Long, R., Wisthaler, A., Cantrell, C., Fried, A., Heikes, B., Brown, S., McDuffie, E., Flocke, F., Apel, E., Kaser, L., and Weinheimer, A.: Higher measured than modeled ozone production at increased NOx levels in the Colorado Front Range, Atmos. Chem. Phys., 17, 11273–11292, https://doi.org/10.5194/acp-17-11273-2017, 2017. 
Berndt, T., Mentler, B., Scholz, W., Fischer, L., Herrmann, H., Kulmala, M., and Hansel A.: Accretion product formation from Ozonolysis and OH radical reaction of α-Pinene: mechanistic insight and the influence of isoprene and ethylene, Environmental Science & Technology, 52, 11069–11077, https://doi.org/10.1021/acs.est.8b02210, 2018. 
Cai, C., Geng, F., Tie, X., Yu, Q., and An, J.: Characteristics and source apportionment of VOCs measured in Shanghai, China, Atmos. Environ., 44, 5005–5014, https://doi.org/10.1016/j.atmosenv.2010.07.059, 2010. 
Carter, W. P. L., A. Pierce J. A., Luo, D., and Malkina, I. L.: Environmental chamber study of maximum incremental reactivities of volatile organic-compounds, Atmos. Environ., 29, 2499, https://doi.org/10.1016/1352-2310(95)00149-S, 1995. 
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We quantitatively assessed the P(O3)net simulation deficits and their impact on O3 formation sensitivity (OFS diagnosis) by comparing the measured and modelled P(O3)net. Unmeasured oxygenated VOCs (OVOCs) were the most effective compensating factor for the discrepancies in both P(O3)net and OFS. OFS exhibiting a diurnal shift dominated by the morning regime; prioritizing VOCs while co-controlling NOx is the most effective strategy for O3 pollution control in the PRD region. 
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