Articles | Volume 21, issue 8
Atmos. Chem. Phys., 21, 6331–6345, 2021
https://doi.org/10.5194/acp-21-6331-2021
Atmos. Chem. Phys., 21, 6331–6345, 2021
https://doi.org/10.5194/acp-21-6331-2021
Research article
27 Apr 2021
Research article | 27 Apr 2021

Contributions to OH reactivity from unexplored volatile organic compounds measured by PTR-ToF-MS – a case study in a suburban forest of the Seoul metropolitan area during the Korea–United States Air Quality Study (KORUS-AQ) 2016

Dianne Sanchez et al.

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Cited articles

Atkinson, R.: A Structure-Activity Relationship for the Estimation of Rate Constants for the Gas-Phase Reactions of Oh Radicals with Organic-Compounds, Int. J. Chem. Kinet., 19, 799–828, https://doi.org/10.1002/kin.550190903, 1987. 
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Cappellin, L., Karl, T., Probst, M., Ismailova, K., Winkler, P. M., Soukoulis, C., Aprea, E., Mark, T. D., Gasperi, F., and Biasioli, F.: On quantitative determination of volatile organic compound concentrations using proton transfer reaction Time-of-Flight Mass Spectrometry, Environ. Sci. Technol., 46, 2283–2290, https://doi.org/10.1021/es203985t, 2012. 
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We present observations of total reactive gases in a suburban forest observatory in the Seoul metropolitan area. The quantitative comparison with speciated trace gas observations illustrated significant underestimation in atmospheric reactivity from the speciated trace gas observational dataset. We present scientific discussion about potential causes.