Accelerating methane growth rate from 2010 to 2017: leading contributions from the tropics and East Asia

Yin, Yi; Chevallier, Frederic; Ciais, Philippe; Bousquet, Philippe; Saunois, Marielle; Zheng, Bo; Worden, John; Bloom, A. Anthony; Parker, Robert J.; Jacob, Daniel J.; Dlugokencky, Edward J.; Frankenberg, Christian

doi:https://doi.org/10.5194/acp-21-12631-2021

Articles | Volume 21, issue 16

https://doi.org/10.5194/acp-21-12631-2021

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

https://doi.org/10.5194/acp-21-12631-2021

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

Articles | Volume 21, issue 16

Research article

|

25 Aug 2021

Research article |

| 25 Aug 2021

Accelerating methane growth rate from 2010 to 2017: leading contributions from the tropics and East Asia

Yi Yin, Frederic Chevallier, Philippe Ciais, Philippe Bousquet, Marielle Saunois, Bo Zheng, John Worden, A. Anthony Bloom, Robert J. Parker, Daniel J. Jacob, Edward J. Dlugokencky, and Christian Frankenberg

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Final revised paper (published on 25 Aug 2021)
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Preprint (discussion started on 10 Jul 2020)
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Interactive discussion

Status: closed

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

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RC1: 'Review of Yin et al', Anonymous Referee #1, 13 Aug 2020
- AC2: 'Reply on RC1', Yi Yin, 17 Apr 2021
RC2: 'referee comments', Anonymous Referee #2, 04 Sep 2020
- AC1: 'Reply on RC2', Yi Yin, 11 Feb 2021

Peer-review completion

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

AR by Yi Yin on behalf of the Authors (15 May 2021) Author's response Author's tracked changes Manuscript

ED: Referee Nomination & Report Request started (18 May 2021) by Bryan N. Duncan

RR by Anonymous Referee #2 (30 May 2021)

RR by Anonymous Referee #1 (02 Jun 2021)

ED: Publish subject to minor revisions (review by editor) (02 Jun 2021) by Bryan N. Duncan

AR by Yi Yin on behalf of the Authors (12 Jun 2021) Author's response Manuscript

ED: Publish as is (16 Jun 2021) by Bryan N. Duncan

AR by Yi Yin on behalf of the Authors (19 Jun 2021) Manuscript

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Short summary

The growth of methane, the second-most important anthropogenic greenhouse gas after carbon dioxide, has been accelerating in recent years. Using an ensemble of multi-tracer atmospheric inversions constrained by surface or satellite observations, we show that global methane emissions increased by nearly 1 % per year from 2010–2017, with leading contributions from the tropics and East Asia.