Bipolar carbon and hydrogen isotope constraints on the Holocene methane budget

Beck, Jonas; Bock, Michael; Schmitt, Jochen; Seth, Barbara; Blunier, Thomas; Fischer, Hubertus

doi:https://doi.org/10.5194/bg-15-7155-2018

Articles | Volume 15, issue 23

https://doi.org/10.5194/bg-15-7155-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-15-7155-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 15, issue 23

Research article

|

30 Nov 2018

Research article |

| 30 Nov 2018

Bipolar carbon and hydrogen isotope constraints on the Holocene methane budget

Jonas Beck, Michael Bock, Jochen Schmitt, Barbara Seth, Thomas Blunier, and Hubertus Fischer

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Final revised paper (published on 30 Nov 2018)
Preprint (discussion started on 29 Mar 2018)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of Beck et al. bg-2018-107', Anonymous Referee #1, 01 May 2018
- AC1: 'Response to reviewer 1', Jonas Beck, 15 Jun 2018
RC2: 'Review of “Bipolar carbon and hydrogen isotope constraints of the Holocene methane budget“', Hinrich Schaefer, 03 May 2018
- AC2: 'Response to reviewer 2', Jonas Beck, 15 Jun 2018

Peer-review completion

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

ED: Publish subject to minor revisions (review by editor) (11 Jul 2018) by Kirsten Thonicke

AR by Jonas Beck on behalf of the Authors (24 Aug 2018) Manuscript

ED: Publish as is (27 Aug 2018) by Kirsten Thonicke

AR by Jonas Beck on behalf of the Authors (06 Sep 2018) Manuscript

Short summary

Ice core concentration and stable isotope measurements of atmospheric CH₄ give valuable insights into the CH₄ cycle of the past. New carbon and hydrogen stable isotope CH₄ data measured on ice from both Greenland and Antarctica over the Holocene allow us to draw conclusions on the methane emission processes. In particular, our results cast doubt on a hypothesis proposing early human land use to be responsible for the atmospheric methane concentration increase in the second half of the Holocene.