Articles | Volume 19, issue 7
Atmos. Chem. Phys., 19, 4637–4658, 2019
https://doi.org/10.5194/acp-19-4637-2019
Atmos. Chem. Phys., 19, 4637–4658, 2019
https://doi.org/10.5194/acp-19-4637-2019

Research article 08 Apr 2019

Research article | 08 Apr 2019

Analysis of atmospheric CH4 in Canadian Arctic and estimation of the regional CH4 fluxes

Misa Ishizawa et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Misa Ishizawa on behalf of the Authors (05 Feb 2019)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (22 Feb 2019) by Mathias Palm
AR by Misa Ishizawa on behalf of the Authors (09 Mar 2019)  Author's response    Manuscript
ED: Publish as is (13 Mar 2019) by Mathias Palm
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Short summary
The Canadian Arctic has the potential for enhanced methane (CH4) emissions under global warming. However, the regional CH4 emission (fluxes) estimates range widely. This study analyzes recent Canadian Arctic CH4 observations and estimates the regional emissions. The additional observations yield robust CH4 flux estimates and enable the partitioning of the CH4 sources into wetland and forest fires. The results indicate that years with warmer summer conditions result in more wetland CH4 emissions.
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