Articles | Volume 15, issue 7
https://doi.org/10.5194/bg-15-1969-2018
https://doi.org/10.5194/bg-15-1969-2018
Research article
 | 
04 Apr 2018
Research article |  | 04 Apr 2018

Substrate potential of last interglacial to Holocene permafrost organic matter for future microbial greenhouse gas production

Janina G. Stapel, Georg Schwamborn, Lutz Schirrmeister, Brian Horsfield, and Kai Mangelsdorf

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (10 Jul 2017) by Jack Middelburg
AR by Janina Stapel on behalf of the Authors (26 Jul 2017)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (08 Aug 2017) by Jack Middelburg
RR by Anonymous Referee #2 (12 Aug 2017)
RR by Anonymous Referee #1 (24 Aug 2017)
ED: Reconsider after major revisions (24 Aug 2017) by Jack Middelburg
AR by Janina Stapel on behalf of the Authors (23 Dec 2017)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (04 Jan 2018) by Jack Middelburg
RR by Anonymous Referee #2 (15 Jan 2018)
RR by Anonymous Referee #1 (22 Jan 2018)
ED: Publish subject to minor revisions (review by editor) (24 Jan 2018) by Jack Middelburg
AR by Janina Stapel on behalf of the Authors (02 Feb 2018)  Author's response    Manuscript
ED: Publish subject to technical corrections (06 Feb 2018) by Jack Middelburg
AR by Janina Stapel on behalf of the Authors (14 Feb 2018)  Author's response    Manuscript

Post-review adjustments

AA: Author's adjustment | EA: Editor approval
AA by Kai Mangelsdorff on behalf of the Authors (29 Mar 2018)   Author's adjustment   Manuscript
EA: Adjustments approved (29 Mar 2018) by Jack Middelburg
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Short summary
Climate warming in the Arctic results in thawing of permafrost deposits. This promotes the accessibility of freeze-locked old organic matter (OM) accumulated during the past. Characterizing OM of different depositional ages, we were able to show that OM from last glacial Yedoma deposits possess the highest potential to provide organic substrates such as acetate for microbial greenhouse gas production and therefore to accelerate the carbon–climate feedback cycle during ongoing global warming.
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