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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Volume 10, issue 12
Atmos. Meas. Tech., 10, 4613-4621, 2017
https://doi.org/10.5194/amt-10-4613-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Meas. Tech., 10, 4613-4621, 2017
https://doi.org/10.5194/amt-10-4613-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 01 Dec 2017

Research article | 01 Dec 2017

Validation of spectroscopic gas analyzer accuracy using gravimetric standard gas mixtures: impact of background gas composition on CO2 quantitation by cavity ring-down spectroscopy

Jeong Sik Lim et al.
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Chen, H., Winderlich, J., Gerbig, C., Hoefer, A., Rella, C. W., Crosson, E. R., Van Pelt, A. D., Steinbach, J., Kolle, O., Beck, V., Daube, B. C., Gottlieb, E. W., Chow, V. Y., Santoni, G. W., and Wofsy, S. C.: High-accuracy continuous airborne measurements of greenhouse gases (CO2 and CH4) using the cavity ring-down spectroscopy (CRDS) technique, Atmos. Meas. Tech., 3, 375–386, https://doi.org/10.5194/amt-3-375-2010, 2010.
Conway, T. J., Tans, P., Waterman, L. S., Thoning, K. W., Masarie, K. A., and Gammon, R. H.: Atmospheric carbon dioxide measurements in the remote global troposphere 1981–1984, Tellus B, 40, 81–115, https://doi.org/10.1111/j.1600-0889.1988.tb00214.x, 1998.
Crawley, L. H.: Application of non-dispersive infrared (NDIR) spectroscopy to the measurement of atmospheric trace gases, MSc Thesis, University of Canterbury, Christchurch, New Zealand, 2008.
Crosson E. R.: A cavity ring-down analyzer for measuring atmospheric levels of methane, carbon dioxide, and water vapor, Appl. Phys. B, 92, 403–408, https://doi.org/10.1007/s00340-008-3135-y, 2008.
Durry, G., Li, J. S., Vinogradov, I., Titov, A., Joly, L., Cousin, J., Decarpenterie, T., Amarouche, N., Liu, X., Parvitte, B., Korablev, B., Gerasimov, M., and Zéninari, V.: Near infrared diode laser spectroscopy of C2H2, H2O, CO2 and their isotopologues and the application to TDLAS, a tunable diode laser spectrometer for the Martian PHOBOS-GRUNT space mission, Appl. Phys. B, 99, 339–351, https://doi.org/10.1007/s00340-010-3924-y, 2010.
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Short summary
Effect of background gas composition on the spectroscopic measurement of CO2 concentration at ambient levels has been investigated. The wavelength-scanned cavity ring-down spectroscopy was employed to explore the spectral line shape of CO2 at 1603 nm. It is revealed that the instrument response should be corrected with respect to a total pressure broadening coefficient given by a matrix composition. The correction method is validated by high accurate gravimetric standard gas mixture.
Effect of background gas composition on the spectroscopic measurement of CO2 concentration at...
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