An Atlantic blanket bog is a modest CO2 sink

Details An Atlantic blanket bog is a modest CO2 sink An Atlantic blanket bog is a modest CO2 sink

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005georl..3223804s&link_type=abstract

Geophysical Research Letters, Volume 32, Issue 23, CiteID L23804

Physics

7

Atmospheric Composition And Structure: Biosphere/Atmosphere Interactions (0426, 1610), Biogeosciences: Carbon Cycling (4806), Biogeosciences: Diel, Seasonal, And Annual Cycles (4227), Biogeosciences: Wetlands (1890)

Scientific paper

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.

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