Modeling of the carbon dioxide fluxes in European Russia peat bogs

A process-based model (Forest-DNDC) was applied to describe the possible impacts of climate change on carbon dioxide (CO2) fluxes from a peat bog in European Russia. In the first step, Forest-DNDC was tested against CO2 fluxes measured by the eddy covariance method on an oligotrophic bog in a representative region of the southern taiga (56°N 33°E). The results of model validations show that Forest-DNDC is capable of quantifying the CO2 fluxes from the bog ecosystem. In the second step, the validated model was used to estimate how the expected future changes of the air temperature and water table depth could affect the C dynamics in the bogs. It was shown that a decrease in the water table and an increase in temperature influence significantly the CO2 exchange between our bog ecosystem and the atmosphere. Under elevated temperature and deepened water table the bog ecosystems could become a significant source of atmospheric CO2

Atmosphere (unit · Atmospheric sciences · Bog · Boreal · Carbon cycle · Carbon dioxide · Climate change · Climatology · Ecosystem · Eddy covariance · Geography · Groundwater · Hydrology (agriculture · Meteorology · Peat · Taiga · Water table · Environmental Science · Fire effects on ecosystems · Peatlands and Wetlands Ecology · Plant Water Relations and Carbon Dynamics · Ecology · Geology

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  Open Access•Juliya Kurbatova, Fyodor Tatarinov et al.•Environmental Research Letters•2013

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  Open Access•Richard J Payne, E A Malysheva et al.•The Holocene•2015

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• Low impact of dry conditions on the CO 2 exchange of a Northern-Norwegian blanket bog

  Open Access•Magnus Lund, Jarle W Bjerke et al.•Environmental Research Letters•2015

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