Articles | Volume 14, issue 7
Biogeosciences, 14, 1947–1967, 2017
https://doi.org/10.5194/bg-14-1947-2017
Biogeosciences, 14, 1947–1967, 2017
https://doi.org/10.5194/bg-14-1947-2017

Research article 10 Apr 2017

Research article | 10 Apr 2017

Methane exchange at the peatland forest floor – automatic chamber system exposes the dynamics of small fluxes

Mika Korkiakoski et al.

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Short summary
We measured methane exchange rates at the forest floor of a nutrient-rich drained peatland in southern Finland. The forest floor acted mainly as a small methane sink, but emission peaks were occasionally observed during spring and rainfall events. The strength of the sink correlated best with groundwater level and soil temperatures at 20 and 30 cm depths. Diurnal variations were also observed but they were caused by changes in ambient wind speed and not by biological processes.
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