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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 1
Atmos. Meas. Tech., 9, 63–77, 2016
https://doi.org/10.5194/amt-9-63-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Greenhouse gAs Uk and Global Emissions (GAUGE) project (ACP/AMT...

Atmos. Meas. Tech., 9, 63–77, 2016
https://doi.org/10.5194/amt-9-63-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 15 Jan 2016

Research article | 15 Jan 2016

The development and evaluation of airborne in situ N2O and CH4 sampling using a quantum cascade laser absorption spectrometer (QCLAS)

J. R. Pitt et al.

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We present details of an Aerodyne quantum cascade laser absorption spectrometer (QCLAS) used to make airborne measurements of N2O and CH4, including its configuration for use on board an aircraft. Two different methods to correct for the influence of water vapour on the measurements are evaluated. We diagnose a sensitivity of the instrument to changes in pressure, introduce a new calibration procedure to account for this effect, and assess its performance.
We present details of an Aerodyne quantum cascade laser absorption spectrometer (QCLAS) used to...
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