Methane fluxes in the high northern latitudes for 2005–2013 estimated using a Bayesian atmospheric inversion

Thompson, Rona L.; Sasakawa, Motoki; Machida, Toshinobu; Aalto, Tuula; Worthy, Doug; Lavric, Jost V.; Lund Myhre, Cathrine; Stohl, Andreas

doi:https://doi.org/10.5194/acp-17-3553-2017

Articles | Volume 17, issue 5

Atmos. Chem. Phys., 17, 3553–3572, 2017

https://doi.org/10.5194/acp-17-3553-2017

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

Atmos. Chem. Phys., 17, 3553–3572, 2017

https://doi.org/10.5194/acp-17-3553-2017

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

Articles | Volume 17, issue 5

Research article 14 Mar 2017

Research article | 14 Mar 2017

Methane fluxes in the high northern latitudes for 2005–2013 estimated using a Bayesian atmospheric inversion

Rona L. Thompson et al.

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Final revised paper (published on 14 Mar 2017)
Supplement to the final revised paper
Preprint (discussion started on 30 Sep 2016)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Referee report', Anonymous Referee #1, 26 Oct 2016
- AC1: 'Reply to Reviewer 1', Rona Thompson, 10 Jan 2017
RC2: 'A well-written and relevant study, some minor improvements suggested', Anonymous Referee #2, 08 Dec 2016
- AC2: 'Reply to Reviewer 2', Rona Thompson, 10 Jan 2017

Peer-review completion

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

AR by Rona Thompson on behalf of the Authors (17 Jan 2017) Author's response Manuscript

ED: Reconsider after minor revisions (Editor review) (30 Jan 2017) by Patrick Jöckel

AR by Rona Thompson on behalf of the Authors (13 Feb 2017) Author's response Manuscript

ED: Publish as is (16 Feb 2017) by Patrick Jöckel

Short summary

Methane (CH₄) fluxes were estimated for the high northern latitudes for 2005–2013 based on observations of atmospheric CH₄ mixing ratios. Methane fluxes were found to be higher than prior estimates in northern Eurasia and Canada, especially in the Western Siberian Lowlands and the Canadian province Alberta. Significant inter-annual variations in the fluxes were found as well as a small positive trend. In Canada, the trend may be related to an increase in soil temperature over the study period.