Horizontal and vertical structure of reactive bromine events probed by bromine monoxide MAX-DOAS

Simpson, William R.; Peterson, Peter K.; Frieß, Udo; Sihler, Holger; Lampel, Johannes; Platt, Ulrich; Moore, Chris; Pratt, Kerri; Shepson, Paul; Halfacre, John; Nghiem, Son V.

doi:https://doi.org/10.5194/acp-17-9291-2017

Articles | Volume 17, issue 15

https://doi.org/10.5194/acp-17-9291-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-17-9291-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 17, issue 15

Research article

|

04 Aug 2017

Research article |

| 04 Aug 2017

Horizontal and vertical structure of reactive bromine events probed by bromine monoxide MAX-DOAS

William R. Simpson, Peter K. Peterson, Udo Frieß, Holger Sihler, Johannes Lampel, Ulrich Platt, Chris Moore, Kerri Pratt, Paul Shepson, John Halfacre, and Son V. Nghiem

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Final revised paper (published on 04 Aug 2017)
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Preprint (discussion started on 03 Mar 2017)
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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 “Horizontal and vertical structure of reactive bromine events probed by bromine monoxide MAX-DOAS spectroscopy” by Simpson et al.', Anonymous Referee #1, 03 Apr 2017
- AC1: 'Reply to Referee #1 comments', William R. Simpson, 12 Jun 2017
RC2: 'Interesting paper overall but the heterogeneous recycling bit sounds inconclusive', Anonymous Referee #2, 03 May 2017
- AC2: 'Reply to Reviewer #2 comments', William R. Simpson, 12 Jun 2017

Peer-review completion

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

AR by William R. Simpson on behalf of the Authors (15 Jun 2017) Author's response Manuscript

ED: Publish as is (28 Jun 2017) by Anna Jones

AR by William R. Simpson on behalf of the Authors (29 Jun 2017)

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Short summary

We investigated Arctic atmospheric bromine chemistry during March–April 2012 to improve understanding of the role of sea ice and cracks in sea ice (leads) in this phenomenon. We find that leads vertically redistribute reactive bromine but that open/re-freezing leads are not major direct reactive halogen sources. Surface ozone depletion affects the vertical distribution and amount of reactive halogens, and aerosol particles are necessary but not sufficient to maintain reactive bromine aloft.