Articles | Volume 14, issue 3
https://doi.org/10.5194/amt-14-2055-2021
https://doi.org/10.5194/amt-14-2055-2021
Research article
 | 
15 Mar 2021
Research article |  | 15 Mar 2021

An improved method for atmospheric 14CO measurements

Vasilii V. Petrenko, Andrew M. Smith, Edward M. Crosier, Roxana Kazemi, Philip Place, Aidan Colton, Bin Yang, Quan Hua, and Lee T. Murray

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Cited articles

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Brenninkmeijer, C. A. M.: Measurement of the Abundance of (CO)-C-14 in the Atmosphere and the C-13 C-12 and O-18 O-16 Ratio of Atmospheric CO with Applications in New Zealand and Antarctica, J. Geophys. Res.-Atmos., 98, 10595–10614, 1993. 
Brenninkmeijer, C. A. M., Manning, M. R., Lowe, D., Wallace, G., Sparks, R., and Volz-Thomas, A.: Interhemispheric asymmetry in OH abundance inferred from measurements of atmospheric 14CO, Nature, 356, 50–52, 1992. 
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Short summary
This paper presents an improved methodology for measurements of atmospheric concentration of carbon-14-containing carbon monoxide (14CO), as well as a 1-year dataset that demonstrates the methodology. Atmospheric 14CO concentration measurements are useful for improving the understanding of spatial and temporal variability of hydroxyl radical concentrations. Key improvements over prior methods include a greatly reduced air sample size and accurate procedural blank characterization.