A compact and stable eddy covariance set-up for methane measurements using off-axis integrated cavity output spectroscopy

@inproceedings{Hendriks2007ACA,
  title={A compact and stable eddy covariance set-up for methane measurements using off-axis integrated cavity output spectroscopy},
  author={Danielle Hendriks and Albertus Johannes Dolman and Michiel van der Molen and Jacobus van Huissteden},
  year={2007}
}
A Fast Methane Analyzer (FMA) is assessed for its applicability in a closed path eddy covariance field set-up in a peat meadow. The FMA uses off-axis integrated cavity output spectroscopy combined with a highly specific narrow band laser for the detection of CH 4 and strongly reflective mirrors to obtain a laser path length of 2–20 ×103 m. Statistical testing and a calibration experiment showed high precision (7.8×10−3 ppb) and accuracy ( <0.30%) of the instrument, while no drift was observed… CONTINUE READING
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