Articles | Volume 12, issue 4
Biogeosciences, 12, 977–990, 2015
https://doi.org/10.5194/bg-12-977-2015

Special issue: Freshwater ecosystems in changing permafrost landscapes

Biogeosciences, 12, 977–990, 2015
https://doi.org/10.5194/bg-12-977-2015

Research article 17 Feb 2015

Research article | 17 Feb 2015

Frozen ponds: production and storage of methane during the Arctic winter in a lowland tundra landscape in northern Siberia, Lena River delta

M. Langer et al.

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Short summary
Methane production rates of Arctic ponds during the freezing period within a typical tundra landscape in northern Siberia are presented. Production rates were inferred by inverse modeling based on measured methane concentrations in the ice cover. Results revealed marked differences in early winter methane production among ponds showing different stages of shore degradation. This suggests that shore erosion can increase methane production of Arctic ponds by 2 to 3 orders of magnitude.
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