Articles | Volume 18, issue 23
Biogeosciences, 18, 6093–6114, 2021
https://doi.org/10.5194/bg-18-6093-2021
Biogeosciences, 18, 6093–6114, 2021
https://doi.org/10.5194/bg-18-6093-2021
Research article
29 Nov 2021
Research article | 29 Nov 2021

Methane in Zackenberg Valley, NE Greenland: multidecadal growing season fluxes of a high-Arctic tundra

Johan H. Scheller et al.

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Short summary
Our study presents a time series of methane emissions in a high-Arctic-tundra landscape over 14 summers, which shows large variations between years. The methane emissions from the valley are expected to more than double in the late 21st century. This warming increases permafrost thaw, which could increase surface erosion in the valley. Increased erosion could offset some of the rise in methane fluxes from the valley, but this would require large-scale impacts on vegetated surfaces.
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