Attribution of the accelerating increase in atmospheric methane during 2010–2018 by inverse analysis of GOSAT observations

Zhang, Yuzhong; Jacob, Daniel J.; Lu, Xiao; Maasakkers, Joannes D.; Scarpelli, Tia R.; Sheng, Jian-Xiong; Shen, Lu; Qu, Zhen; Sulprizio, Melissa P.; Chang, Jinfeng; Bloom, A. Anthony; Ma, Shuang; Worden, John; Parker, Robert J.; Boesch, Hartmut

doi:https://doi.org/10.5194/acp-21-3643-2021

Articles | Volume 21, issue 5

https://doi.org/10.5194/acp-21-3643-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-21-3643-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 21, issue 5

Research article

|

10 Mar 2021

Research article |

| 10 Mar 2021

Attribution of the accelerating increase in atmospheric methane during 2010–2018 by inverse analysis of GOSAT observations

Yuzhong Zhang, Daniel J. Jacob, Xiao Lu, Joannes D. Maasakkers, Tia R. Scarpelli, Jian-Xiong Sheng, Lu Shen, Zhen Qu, Melissa P. Sulprizio, Jinfeng Chang, A. Anthony Bloom, Shuang Ma, John Worden, Robert J. Parker, and Hartmut Boesch

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Preprint (discussion started on 25 Sep 2020)

Interactive discussion

Status: closed

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

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RC1: 'Major revision required', Anonymous Referee #1, 23 Oct 2020
RC2: 'Review of "Attribution of the accelerating increase in atmospheric methane during 2010–2018 by inverse analysis of GOSAT observations"', Anonymous Referee #2, 14 Nov 2020
AC1: 'Responses to reviewers' comments', Yuzhong Zhang, 01 Jan 2021

Peer-review completion

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

AR by Yuzhong Zhang on behalf of the Authors (01 Jan 2021) Author's response Manuscript

ED: Referee Nomination & Report Request started (05 Jan 2021) by Bryan N. Duncan

RR by Anonymous Referee #2 (13 Jan 2021)

RR by Anonymous Referee #1 (31 Jan 2021)

ED: Publish as is (01 Feb 2021) by Bryan N. Duncan

AR by Yuzhong Zhang on behalf of the Authors (05 Feb 2021) Manuscript

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Short summary

We use 2010–2018 satellite observations of atmospheric methane to interpret the factors controlling atmospheric methane and its accelerating increase during the period. The 2010–2018 increase in global methane emissions is driven by tropical and boreal wetlands and tropical livestock (South Asia, Africa, Brazil), with an insignificant positive trend in emissions from the fossil fuel sector. The peak methane growth rates in 2014–2015 are also contributed by low OH and high fire emissions.