Consistent regional fluxes of CH4 and CO2 inferred from GOSAT proxy XCH4 : XCO2 retrievals, 2010–2014

Feng, Liang; Palmer, Paul I.; Bösch, Hartmut; Parker, Robert J.; Webb, Alex J.; Correia, Caio S. C.; Deutscher, Nicholas M.; Domingues, Lucas G.; Feist, Dietrich G.; Gatti, Luciana V.; Gloor, Emanuel; Hase, Frank; Kivi, Rigel; Liu, Yi; Miller, John B.; Morino, Isamu; Sussmann, Ralf; Strong, Kimberly; Uchino, Osamu; Wang, Jing; Zahn, Andreas

doi:https://doi.org/10.5194/acp-17-4781-2017

Articles | Volume 17, issue 7

https://doi.org/10.5194/acp-17-4781-2017

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

https://doi.org/10.5194/acp-17-4781-2017

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

Articles | Volume 17, issue 7

Research article

|

12 Apr 2017

Research article |

| 12 Apr 2017

Consistent regional fluxes of CH₄ and CO₂ inferred from GOSAT proxy XCH₄ : XCO₂ retrievals, 2010–2014

Liang Feng, Paul I. Palmer, Hartmut Bösch, Robert J. Parker, Alex J. Webb, Caio S. C. Correia, Nicholas M. Deutscher, Lucas G. Domingues, Dietrich G. Feist, Luciana V. Gatti, Emanuel Gloor, Frank Hase, Rigel Kivi, Yi Liu, John B. Miller, Isamu Morino, Ralf Sussmann, Kimberly Strong, Osamu Uchino, Jing Wang, and Andreas Zahn

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Final revised paper (published on 12 Apr 2017)
Preprint (discussion started on 24 Oct 2016)

Interactive discussion

Status: closed

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

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SC1: 'Source of the HIPPO data that you used for your paper?', Leslie Hook, 15 Nov 2016
- AC1: 'Re: 'Source of the HIPPO data that you used for your paper?',', Liang Feng, 20 Dec 2016
RC1: 'Comments on 'Consistent regional fluxes of CH4 and CO2 inferred from GOSAT proxy XCH4:XCO2 retrievals, 2010-2014'', Anonymous Referee #1, 21 Nov 2016
RC2: 'Referee comment on a paper by L Feng, 2016', Anonymous Referee #2, 21 Nov 2016

Peer-review completion

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

AR by Liang Feng on behalf of the Authors (03 Feb 2017) Author's response Manuscript

ED: Referee Nomination & Report Request started (09 Feb 2017) by Rolf Müller

RR by Anonymous Referee #1 (26 Feb 2017)

RR by Anonymous Referee #2 (28 Feb 2017)

ED: Publish subject to technical corrections (28 Feb 2017) by Rolf Müller

AR by Liang Feng on behalf of the Authors (08 Mar 2017) Author's response Manuscript

Short summary

We use the GEOS-Chem global 3-D model of atmospheric chemistry and transport and an ensemble Kalman filter to simultaneously infer regional fluxes of methane (CH₄) and carbon dioxide (CO₂) directly from GOSAT retrievals of XCH₄:XCO₂, using sparse ground-based CH₄ and CO₂ mole fraction data to anchor the ratio. Our results show that assimilation of GOSAT data significantly reduced the posterior uncertainty and changed the a priori spatial distribution of CH₄ emissions.

Consistent regional fluxes of CH4 and CO2 inferred from GOSAT proxy XCH4 : XCO2 retrievals, 2010–2014

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Consistent regional fluxes of CH₄ and CO₂ inferred from GOSAT proxy XCH₄ : XCO₂ retrievals, 2010–2014