Articles | Volume 17, issue 3
https://doi.org/10.5194/bg-17-667-2020
https://doi.org/10.5194/bg-17-667-2020
Research article
 | 
10 Feb 2020
Research article |  | 10 Feb 2020

Low methane emissions from a boreal wetland constructed on oil sand mine tailings

M. Graham Clark, Elyn R. Humphreys, and Sean K. Carey

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Short summary
Natural and restored wetlands typically emit methane to the atmosphere. However, we found that a wetland constructed after oil sand mining in boreal Canada using organic soils from local peatlands had negligible emissions of methane in its first 3 years. Methane production was likely suppressed due to an abundance of alternate inorganic electron acceptors. Methane emissions may increase in the future if the alternate electron acceptors continue to decrease.
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