Surface fluxes of bromoform and dibromomethane over the tropical western Pacific inferred from airborne in situ measurements

Feng, Liang; Palmer, Paul I.; Butler, Robyn; Andrews, Stephen J.; Atlas, Elliot L.; Carpenter, Lucy J.; Donets, Valeria; Harris, Neil R. P.; Salawitch, Ross J.; Pan, Laura L.; Schauffler, Sue M.

doi:https://doi.org/10.5194/acp-18-14787-2018

Articles | Volume 18, issue 20

https://doi.org/10.5194/acp-18-14787-2018

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

https://doi.org/10.5194/acp-18-14787-2018

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

Articles | Volume 18, issue 20

Research article

|

15 Oct 2018

Research article |

| 15 Oct 2018

Surface fluxes of bromoform and dibromomethane over the tropical western Pacific inferred from airborne in situ measurements

Liang Feng, Paul I. Palmer, Robyn Butler, Stephen J. Andrews, Elliot L. Atlas, Lucy J. Carpenter, Valeria Donets, Neil R. P. Harris, Ross J. Salawitch, Laura L. Pan, and Sue M. Schauffler

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Final revised paper (published on 15 Oct 2018)
Preprint (discussion started on 11 Dec 2017)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review', Anonymous Referee #1, 25 Jan 2018
- AC1: 'Surface fluxes of bromoform and dibromomethane over the tropical western Pacific inferred from airborne in situ measurements', Liang Feng, 29 Jun 2018
RC2: 'Review of Feng et al.', Anonymous Referee #2, 26 Jan 2018
- AC1: 'Surface fluxes of bromoform and dibromomethane over the tropical western Pacific inferred from airborne in situ measurements', Liang Feng, 29 Jun 2018
AC1: 'Surface fluxes of bromoform and dibromomethane over the tropical western Pacific inferred from airborne in situ measurements', Liang Feng, 29 Jun 2018

Peer-review completion

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

AR by Anna Wenzel on behalf of the Authors (03 Jul 2018) Author's response

ED: Referee Nomination & Report Request started (20 Jul 2018) by Timothy J. Dunkerton

RR by Anonymous Referee #2 (13 Aug 2018)

RR by Anonymous Referee #1 (31 Aug 2018)

ED: Publish subject to technical corrections (05 Sep 2018) by Timothy J. Dunkerton

AR by Liang Feng on behalf of the Authors (20 Sep 2018) Author's response Manuscript

Short summary

We infer surface fluxes of bromoform (CHBr₃) and dibromoform (CH₂Br₂) from CAST and CONTRAST aircraft observations over the western Pacific, using a tagged version of the GEOS-Chem global 3-D atmospheric chemistry model and a Maximum A Posteriori inverse model. Using the aircraft data, we estimate the regional fluxes about 20–40 % smaller than the prior inventories by Ordóñez et al. (2012). We find no evidence to support a robust linear relationship between CHBr₃ and CH₂Br₂ oceanic emissions.