Articles | Volume 9, issue 3
Atmos. Meas. Tech., 9, 1341–1359, 2016
https://doi.org/10.5194/amt-9-1341-2016
Atmos. Meas. Tech., 9, 1341–1359, 2016
https://doi.org/10.5194/amt-9-1341-2016

Research article 31 Mar 2016

Research article | 31 Mar 2016

Optimization of an enclosed gas analyzer sampling system for measuring eddy covariance fluxes of H2O and CO2

Stefan Metzger et al.

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Short summary
Enclosed infrared gas analyzers utilize a gas sampling system, which can substantially increase spectral corrections for eddy covariance applications. Here, we show that a requirements-based design can reduce high-frequency attenuation for H2O by ≈ 3/4, with the remaining flux correction not exceeding 3 %. The resulting gas sampling system can be used across a wide range of ecoclimates and site layouts, and enables more automated and comparable eddy covariance data processing across sites.