Reactive quenching of electronically excited NO2∗ and NO3∗ by H2O as potential sources of atmospheric HOx radicals

Dillon, Terry J.; Crowley, John N.

doi:https://doi.org/10.5194/acp-18-14005-2018

Articles | Volume 18, issue 19

https://doi.org/10.5194/acp-18-14005-2018

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

https://doi.org/10.5194/acp-18-14005-2018

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

Articles | Volume 18, issue 19

Research article

|

02 Oct 2018

Research article |

| 02 Oct 2018

Reactive quenching of electronically excited NO₂^∗ and NO₃^∗ by H₂O as potential sources of atmospheric HO_x radicals

Terry J. Dillon and John N. Crowley

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Final revised paper (published on 02 Oct 2018)
Preprint (discussion started on 12 Jul 2018)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'acp-2018-645', Anonymous Referee #1, 08 Aug 2018
RC2: 'Reactive quenching of electronically excited NO2* and NO3* by H2O as potential sources of atmospheric HOx radical', Mark Blitz, 10 Aug 2018
RC3: 'Review of “Reactive quenching of electronically excited NO2* and NO3* by H2O as potential sources of atmospheric HOx radical”', Anonymous Referee #3, 20 Aug 2018
AC1: 'Reply to reviewers', John N. Crowley, 30 Aug 2018

Peer-review completion

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

AR by John N. Crowley on behalf of the Authors (18 Sep 2018) Author's response Manuscript

ED: Publish as is (19 Sep 2018) by Dwayne Heard

AR by John N. Crowley on behalf of the Authors (20 Sep 2018) Author's response Manuscript

Short summary

The reactions between electronically excited NO₂^* and NO₃^* with water vapour were studied using laser excitation of NO₂ (532–647 nm) or NO₃ (623–662 nm). No evidence for OH production was observed in either reaction. The reaction of NO₂^* with water is not a significant source of OH in the atmosphere.