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Time integrated nitrous oxide and methane flux measurements using automated chambers across Europe

By M. Twigg, U. Skiba, J. Drewer, P. Ambus, M. Sutton, P. Stefani, R. Zampedri, M. Rodeghiero, D. Gianelle, R. Clement, S. Medinets, V. Medinets, S. Kotogura, C. Gimeno, A. Varlagin and R. Juszczak


The NitroEurope project facilitated the development of the System for Inert Gas Monitoring by Accumulation (SIGMA), which is particularly suitable for stand-alone observations of inert soil trace gas fluxes in remote locations. The SIGMA is connected to an automated chamber with headspace sampling several times per day. Air samples are aggregated in sampling bags, which allows calculation of average flux rates over extended sampling periods. SIGMA chambers were installed at 7 sites (level 2) across Europe. The sites included forest, arable and grassland ecosystems. The flux data for methane and nitrous oxide measured over an 18 month period from these sites will be presented

Topics: Agriculture and Soil Science, Atmospheric Sciences
Year: 2011
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