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GEOPHYSICAL RESEARCH LETTERS,
VOL. 32,
L23804,
4 PP., 2005
doi:10.1029/2005GL024731
An Atlantic blanket bog is a modest CO2 sink
Department of Civil and Environmental Engineering, University College Cork, Cork, Ireland
Department of Civil and Environmental Engineering, University College Cork, Cork, Ireland
Northern peatlands contain 1/3 of the world's soil carbon pool. Blanket bogs are peatlands that occur in maritime regions where precipitation is much greater than evapotranspiration. The role of blanket bogs in C dynamics has not been quantified. We describe an investigation of CO2 fluxes using an eddy covariance (EC) system in a pristine Atlantic blanket bog in Ireland during 2003 and 2004. This is the first multiyear study using EC techniques in a blanket bog. We found that the bog ecosystem was a CO2 sink for five months in each year. The annual CO2 flux had a sink magnitude of −49 (2003) and −61 g C m−2 (2004). These magnitudes are similar to boreal raised bogs, while higher values have been reported for boreal fens and lower for subarctic fens.
Received 22 September 2005; accepted 28 October 2005; published 2 December 2005.
Citation: (2005), An Atlantic blanket bog is a modest CO2 sink, Geophys. Res. Lett., 32, L23804, doi:10.1029/2005GL024731.
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