Browsing Waterloo Research by Author "Waddington, James M."
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Dynamics of biogenic gas bubbles in peat and their effects on peatland biogeochemistry
Strack, Maria; Waddington, James M.; Kellner, Erik (American Geophysical Union, Wiley, 2005-01-18)Production and emission of peat gas has attracted great interest because substantial amounts of methane (CH4) are emitted to the atmosphere from peat soils. Many studies indicate supersaturation of CH4 in peat water, ... -
The effect of peat structure on the spatial distribution of biogenic gases within bogs: EFFECT OF PEAT STRUCTURE ON BIOGENIC GAS
Comas, Xavier; Kettridge, Nicholas; Binley, Andrew; Slater, Lee; Parsekian, Andrew; Baird, Andy J.; Strack, Maria; Waddington, James M. (Wiley, 2014-10-30)Northern peatlands are a large source of atmospheric methane (CH4) and both a source and a sink of atmospheric carbon dioxide (CO2). The rate and temporal variability in gas exchanges with peat soils is directly related ... -
Effect of water table drawdown on northern peatland methane dynamics: Implications for climate change
Strack, Maria; Waddington, James M.; Tuittila, Eeva-Stiina (Wiley, 2004-10-07)As natural sources of methane (CH4), peatlands play an important role in the global carbon cycle. Climate models predict that evapotranspiration will increase under a 2 x CO2 scenario due to increased temperatures leading ... -
Response of peatland carbon dioxide and methane fluxes to a watertable drawdown experiment
Strack, Maria; Waddington, James M. (American Geophysical Union, Wiley, 2007-02-07)Northern peatlands play an important role in the global carbon cycle representing a significant stock of soil carbon and a substantial natural source of atmospheric methane (CH4). Peatland carbon cycling is affected by ... -
Response of vegetation and net ecosystem carbon dioxide exchange at different peatland microforms following water table drawdown
Strack, Maria; Waddington, James M.; Rochefort, Line; Tuittila, Eeva-Stiina (American Geophysical Union, Wiley, 2006-05-17)Northern peatlands are significant stocks of terrestrial soil carbon, and it has been predicted that warmer temperatures and lower water tables resulting from climate change will convert these ecosystems into sources for ...