Daytime HONO, NO<sub>2</sub> and aerosol distributions from MAX-DOAS observations in Melbourne

Ryan, Robert G.; Rhodes, Steve; Tully, Matthew; Wilson, Stephen; Jones, Nicholas; Frieß, Udo; Schofield, Robyn

doi:https://doi.org/10.5194/acp-18-13969-2018

Articles | Volume 18, issue 19

https://doi.org/10.5194/acp-18-13969-2018

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

https://doi.org/10.5194/acp-18-13969-2018

© 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

Daytime HONO, NO₂ and aerosol distributions from MAX-DOAS observations in Melbourne

Robert G. Ryan, Steve Rhodes, Matthew Tully, Stephen Wilson, Nicholas Jones, Udo Frieß, and Robyn Schofield

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Final revised paper (published on 02 Oct 2018)
Supplement to the final revised paper
Preprint (discussion started on 18 May 2018)

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Status: closed

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

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RC1: 'Reviewer commets', Anonymous Referee #1, 18 Jun 2018
- AC1: 'Responses to Reviewer Comments #1', Robert Ryan, 09 Aug 2018
RC2: 'Comments on Ryan et al Daytime HONO NO2 and aerosol distributions from MAX-DOAS in Melbourne', Anonymous Referee #2, 19 Jun 2018
- AC2: 'Responses to Reviewer Comments #2', Robert Ryan, 09 Aug 2018
AC1: 'Responses to Reviewer Comments #1', Robert Ryan, 09 Aug 2018

Peer-review completion

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

AR by Robert Ryan on behalf of the Authors (09 Aug 2018) Author's response Manuscript

ED: Publish as is (11 Sep 2018) by Robert McLaren

AR by Robert Ryan on behalf of the Authors (14 Sep 2018)

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Short summary

Nitrous acid (HONO) plays a crucial role in the self-cleansing capacity of the atmosphere but its formation mechanisms and spatial distributions are not well understood. This paper presents spectroscopic measurements of HONO, NO₂ and aerosol measurements from Melbourne, Australia. HONO levels are at a maximum in the middle of the day, which is unprecedented for an urban area, and these measurements provide evidence for the existence of a strong ground-based, daytime nitrogen oxide source.

Daytime HONO, NO2 and aerosol distributions from MAX-DOAS observations in Melbourne

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Interactive discussion

Peer-review completion

Daytime HONO, NO₂ and aerosol distributions from MAX-DOAS observations in Melbourne