Articles | Volume 18, issue 4
https://doi.org/10.5194/acp-18-2547-2018
https://doi.org/10.5194/acp-18-2547-2018
Research article
 | 
21 Feb 2018
Research article |  | 21 Feb 2018

Understanding in situ ozone production in the summertime through radical observations and modelling studies during the Clean air for London project (ClearfLo)

Lisa K. Whalley, Daniel Stone, Rachel Dunmore, Jacqueline Hamilton, James R. Hopkins, James D. Lee, Alastair C. Lewis, Paul Williams, Jörg Kleffmann, Sebastian Laufs, Robert Woodward-Massey, and Dwayne E. Heard

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AR by Lisa Whalley on behalf of the Authors (10 Jan 2018)  Author's response   Manuscript 
ED: Publish as is (12 Jan 2018) by Ronald Cohen
AR by Lisa Whalley on behalf of the Authors (12 Jan 2018)
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Short summary
This paper presents the first radical observations made in London and subsequent model comparisons. This work highlights that there are uncertainties in the degradation mechanism of complex biogenic and diesel-related VOC species under low-NOx conditions and under high-NOx conditions there is a missing source of RO2 radicals. The impact of these model uncertainties on in situ ozone production as a function of NOx is discussed.
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