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

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

doi:https://doi.org/10.5194/acp-18-2547-2018

Articles | Volume 18, issue 4

https://doi.org/10.5194/acp-18-2547-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-18-2547-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 4

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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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review of Whalley et al.', Anonymous Referee #2, 06 Nov 2017
- AC1: 'Response to Review', Lisa Whalley, 10 Jan 2018
RC2: 'Comments', Anonymous Referee #1, 21 Nov 2017
- AC1: 'Response to Review', Lisa Whalley, 10 Jan 2018

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

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

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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-NO_x conditions and under high-NO_x conditions there is a missing source of RO₂ radicals. The impact of these model uncertainties on in situ ozone production as a function of NO_x is discussed.