Biogeochemical constraints on the origin of methane in an alluvial aquifer: evidence for the upward migration of methane from underlying coal measures

Iverach, Charlotte P.; Beckmann, Sabrina; Cendón, Dioni I.; Manefield, Mike; Kelly, Bryce F. J.

doi:https://doi.org/10.5194/bg-14-215-2017

Articles | Volume 14, issue 1

https://doi.org/10.5194/bg-14-215-2017

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

https://doi.org/10.5194/bg-14-215-2017

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

Articles | Volume 14, issue 1

Research article

|

17 Jan 2017

Research article |

| 17 Jan 2017

Biogeochemical constraints on the origin of methane in an alluvial aquifer: evidence for the upward migration of methane from underlying coal measures

Charlotte P. Iverach, Sabrina Beckmann, Dioni I. Cendón, Mike Manefield, and Bryce F. J. Kelly

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Final revised paper (published on 17 Jan 2017)
Supplement to the final revised paper
Preprint (discussion started on 05 Sep 2016)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

SC1: 'Interactive comment on “Biogeochemical constraints on the origin of methane in an alluvial aquifer: evidence for the upward migration of methane from a coal seam” by Iverach et al.', Des Owen, 19 Sep 2016
- AC3: 'Response to interactive comment', Charlotte P. Iverach, 25 Nov 2016
RC1: 'Review of Iverach et al.', Matthew Currell, 20 Sep 2016
- AC2: 'Response to reviewer 1', Charlotte P. Iverach, 25 Nov 2016
RC2: 'Review', Anonymous Referee #2, 17 Oct 2016
- AC1: 'Response to reviewer 2', Charlotte P. Iverach, 25 Nov 2016

Peer-review completion

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

ED: Reconsider after major revisions (11 Dec 2016) by Caroline P. Slomp

AR by Charlotte P. Iverach on behalf of the Authors (12 Dec 2016) Author's response Manuscript

ED: Publish as is (24 Dec 2016) by Caroline P. Slomp

AR by Charlotte P. Iverach on behalf of the Authors (28 Dec 2016)

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Short summary

This research characterised the biogeochemical constraints on the origin of methane in an alluvial aquifer, concluding that the most likely source was the upward migration from a directly underlying coal seam. This research was undertaken due to concerns about the effect of coal seam gas production on groundwater quality in the study area. The implications include the fact that no methane is being produced in the aquifer (in situ) and that there is local natural connectivity in the study area.