Articles | Volume 14, issue 5
Atmos. Meas. Tech., 14, 3561–3571, 2021
https://doi.org/10.5194/amt-14-3561-2021
Atmos. Meas. Tech., 14, 3561–3571, 2021
https://doi.org/10.5194/amt-14-3561-2021
Research article
18 May 2021
Research article | 18 May 2021

Uncertainty of hourly-average concentration values derived from non-continuous measurements

László Haszpra and Ernő Prácser

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Cited articles

Andrews, A. E., Kofler, J. D., Trudeau, M. E., Williams, J. C., Neff, D. H., Masarie, K. A., Chao, D. Y., Kitzis, D. R., Novelli, P. C., Zhao, C. L., Dlugokencky, E. J., Lang, P. M., Crotwell, M. J., Fischer, M. L., Parker, M. J., Lee, J. T., Baumann, D. D., Desai, A. R., Stanier, C. O., De Wekker, S. F. J., Wolfe, D. E., Munger, J. W., and Tans, P. P.: CO2, CO, and CH4 measurements from tall towers in the NOAA Earth System Research Laboratory's Global Greenhouse Gas Reference Network: instrumentation, uncertainty analysis, and recommendations for future high-accuracy greenhouse gas monitoring efforts, Atmos. Meas. Tech., 7, 647–687, https://doi.org/10.5194/amt-7-647-2014, 2014. 
Bakwin, P. S., Tans, P. P., Zhao, C., Ussler, W. I., and Quesnell, E.: Measurements of carbon dioxide on a very tall tower, Tellus B, 47, 535–549, https://doi.org/10.1034/j.1600-0889.47.issue5.2.x, 1995. 
Bakwin, P. S., Tans, P. P., Hurst, D. F., and Zhao, C.: Measurement of carbon dioxide on very tall towers: results of the NOAA/CMDL program, Tellus B, 50, 401–415, https://doi.org/10.3402/tellusb.v50i5.16216, 1998. 
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Short summary
Most of the tall-tower greenhouse gas observatories apply a single gas analyzer for the sequential sampling of several intakes along the tower. The non-continuous sampling at each intake introduces excess uncertainty to the calculated hourly-average concentrations used in several applications. Based on real-world measurements, the paper systematically assesses this type of uncertainty.