Bromine from short-lived source gases in the extratropical northern hemispheric upper troposphere and lower stratosphere (UTLS)

Keber, Timo; Bönisch, Harald; Hartick, Carl; Hauck, Marius; Lefrancois, Fides; Obersteiner, Florian; Ringsdorf, Akima; Schohl, Nils; Schuck, Tanja; Hossaini, Ryan; Graf, Phoebe; Jöckel, Patrick; Engel, Andreas

doi:https://doi.org/10.5194/acp-20-4105-2020

Articles | Volume 20, issue 7

https://doi.org/10.5194/acp-20-4105-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

https://doi.org/10.5194/acp-20-4105-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 7

Research article

|

06 Apr 2020

Research article |

| 06 Apr 2020

Bromine from short-lived source gases in the extratropical northern hemispheric upper troposphere and lower stratosphere (UTLS)

Timo Keber, Harald Bönisch, Carl Hartick, Marius Hauck, Fides Lefrancois, Florian Obersteiner, Akima Ringsdorf, Nils Schohl, Tanja Schuck, Ryan Hossaini, Phoebe Graf, Patrick Jöckel, and Andreas Engel

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Final revised paper (published on 06 Apr 2020)
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Preprint (discussion started on 27 Sep 2019)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Bromine from short-lived source gases in the Northern Hemisphere UTLS', Anonymous Referee #1, 21 Oct 2019
RC2: 'Review of "Bromine from short-lived source gases in the Northen Hemisphere UTLS" by Keber et al., ACPD, 2019', Rafael Pedro Fernandez, 23 Oct 2019
RC3: 'Review of Keber et al.', Anonymous Referee #3, 06 Nov 2019
AC1: 'Replies to reviewers', Andreas Engel, 20 Dec 2019

Peer-review completion

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

AR by Andreas Engel on behalf of the Authors (20 Dec 2019) Manuscript

ED: Referee Nomination & Report Request started (20 Jan 2020) by Farahnaz Khosrawi

RR by Anonymous Referee #1 (07 Feb 2020)

RR by Anonymous Referee #3 (10 Feb 2020)

ED: Publish subject to minor revisions (review by editor) (11 Feb 2020) by Farahnaz Khosrawi

Dear authors,

please find enclosed two referee reports on the revised version of your manuscript. Both referees are satisfied with the revision, but one or the referees has still one minor issue that should be considered before publication in ACP. Additionally, I would like to ask you to consider the technical corrections given below before submitting the next revision of your manuscript:

Best regards, Farahnaz Khosrawi

Technical corrections:
P2, L1-17: Spaces between the references are missing.
P3, L29: One closing parentheses obsolete (Ziska et al reference).
P5, L41: "are" at the end of sentence obsolete.
P6, L20: Late -> late
P6, L40: space between the end of the first and begin of the second sentence missing.
P7, L9: space between "coordinates" and "(see Table 3 and 4) missing.
P7, L20: close parentheses first (before the full stop).
P8, Ö10: remove "e" after fullstop.
P10, L5: hese -> These
P10, L39: better to write "show similar distributions".
P11, L13: table 5 -> Table 5
P11, L42: Citations should be embedded in the text (this parentheses around the year).
P12, L9: skip parentheses around see e.g. Engel and Rigby.
P16, L17: add "DFG" in parentheses (after German Science Foundation).
P16, L17: foundation -> Foundation
P22, Table 1 caption: space between global and stratospheric obsolete.
P24, Table 5 caption: space between text in parentheses and "used" missing.
P26, Figure 4: Add "N" to the coordinates given in the figure and caption.
P26, Figure 4 caption. use Greek letter for sigma.
P27, Figure 5 caption: space between "CHBr3" and "(bottom)" missing.
P29, Figure 7 and 8: add "N" to coordinates given.
P30, Figure 8 caption: are you showing here a three month average or monthly averages of these three months. This is not clear.
P31, Figure 9, 10, 11, 12 caption: blanc -> blank.
P32, Figure 10 caption: Simply write as Fig 9, but using........
P33, Figure 11 caption: same here, write as in Fig 9 and 10, but using........
P34, Figure 12 caption: same here, write as in Fig 9-10, but using........
P36, Figure 14: add N to the coordinates given.
P26, Figure 14 caption: Bromine -> bromine
Supplement: Also here add " N" to the coordinates given in the figures.
Use for sigma the Greek letter. Shorten Figure captions by writing as in Fig. XX, but .........(give here the differences to the previous figure).

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AR by Andreas Engel on behalf of the Authors (17 Feb 2020) Author's response Manuscript

ED: Publish as is (19 Feb 2020) by Farahnaz Khosrawi

AR by Andreas Engel on behalf of the Authors (24 Feb 2020)

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Short summary

In this paper we summarize observations of short-lived halocarbons in the tropopause region. We show that, especially during winter, the levels of short-lived bromine gases at the extratropical tropopause are higher than at the tropical tropopause. We discuss the impact of the distributions on stratospheric bromine levels and compare our observations to two models with four different emission scenarios.