Articles | Volume 11, issue 3
Atmos. Meas. Tech., 11, 1583–1597, 2018
https://doi.org/10.5194/amt-11-1583-2018
Atmos. Meas. Tech., 11, 1583–1597, 2018
https://doi.org/10.5194/amt-11-1583-2018

Research article 22 Mar 2018

Research article | 22 Mar 2018

Evaluation of a lower-powered analyzer and sampling system for eddy-covariance measurements of nitrous oxide fluxes

Shannon E. Brown et al.

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Cited articles

Abalos, D., Brown, S. E., Vanderzaag, A. C., Gordon, R. J., Dunfield, K. E., and Wagner-Riddle, C.: Micrometeorological measurements over 3 years reveal differences in N2O emissions between annual and perennial crops, Glob. Change Biol., 3, 1244–1255, 2015.
Aubinet, M., Vesala, T., and Papale, D. (Eds.): Eddy Covariance: A Practical Guide to Measurement and Data Analysis, Springer, 2012.
Aubinet, M., Joly, L., Loustau, D., De Ligne, A., Chopin, H., Cousin, J., Chauvin, N., Decarpenterie, T., and Gross, P.: Dimensioning IRGA gas sampling systems: laboratory and field experiments, Atmos. Meas. Tech., 9, 1361–1367, https://doi.org/10.5194/amt-9-1361-2016, 2016.
Blomquist, B. W., Huebert, B. J., Fairall, C. W., and Faloona, I. C.: Determining the sea-air flux of dimethylsulfide by eddy correlation using mass spectrometry, Atmos. Meas. Tech., 3, 1–20, https://doi.org/10.5194/amt-3-1-2010, 2010.
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Results are presented from a long-term field trial of a new eddy-covariance system optimized to measure N2O fluxes using less power than existing N2O EC systems (250 W vs 500–1000 W) while maintaining frequency response. The system operated outdoors continuously for 1.5 years and required minimal maintenance. Frequency response was determined in situ and showed the improvement in response time as compared to an older N2O EC system. This EC system showed promise for deployment in remote areas.