Articles | Volume 14, issue 1
Biogeosciences, 14, 215–228, 2017
https://doi.org/10.5194/bg-14-215-2017
Biogeosciences, 14, 215–228, 2017
https://doi.org/10.5194/bg-14-215-2017
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 et al.

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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.
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