An integrated flask sample collection system for greenhouse gas measurements

J. Turnbull, D. Guenther, A. Karion, C. Sweeney, E. Anderson, A. Andrews, J. Kofler, Natasha Lynn Miles, T. Newberger, Scott James Richardson, P. Tans

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

A one hour integrated flask sampling system to collect air in automated NOAA/ESRL 12-flask packages is described. The integrating compressor system uses a mass flow controller to regulate the flow of air through a 15 l volume, thus providing a mixture of air collected over an hour-long period. By beginning with a high flow rate of 3.8 standard liters per minute and gradually decreasing the flow rate over time to 0.29 standard liters per minute it is possible to obtain a nearly uniformly time averaged sample of air and collect it into a pressurized 0.7 l flask. The weighting function determining the air mixture obtained is described in detail. Laboratory and field tests demonstrate that the integrated sample approximates a simple mean of air collected during the one-hour sampling time.

Original languageEnglish (US)
Pages (from-to)2321-2327
Number of pages7
JournalAtmospheric Measurement Techniques
Volume5
Issue number9
DOIs
StatePublished - Dec 1 2012

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greenhouse gas
air
sampling
rate

All Science Journal Classification (ASJC) codes

  • Atmospheric Science

Cite this

Turnbull, J., Guenther, D., Karion, A., Sweeney, C., Anderson, E., Andrews, A., ... Tans, P. (2012). An integrated flask sample collection system for greenhouse gas measurements. Atmospheric Measurement Techniques, 5(9), 2321-2327. https://doi.org/10.5194/amt-5-2321-2012
Turnbull, J. ; Guenther, D. ; Karion, A. ; Sweeney, C. ; Anderson, E. ; Andrews, A. ; Kofler, J. ; Miles, Natasha Lynn ; Newberger, T. ; Richardson, Scott James ; Tans, P. / An integrated flask sample collection system for greenhouse gas measurements. In: Atmospheric Measurement Techniques. 2012 ; Vol. 5, No. 9. pp. 2321-2327.
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Turnbull, J, Guenther, D, Karion, A, Sweeney, C, Anderson, E, Andrews, A, Kofler, J, Miles, NL, Newberger, T, Richardson, SJ & Tans, P 2012, 'An integrated flask sample collection system for greenhouse gas measurements', Atmospheric Measurement Techniques, vol. 5, no. 9, pp. 2321-2327. https://doi.org/10.5194/amt-5-2321-2012

An integrated flask sample collection system for greenhouse gas measurements. / Turnbull, J.; Guenther, D.; Karion, A.; Sweeney, C.; Anderson, E.; Andrews, A.; Kofler, J.; Miles, Natasha Lynn; Newberger, T.; Richardson, Scott James; Tans, P.

In: Atmospheric Measurement Techniques, Vol. 5, No. 9, 01.12.2012, p. 2321-2327.

Research output: Contribution to journalArticle

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AU - Karion, A.

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AU - Anderson, E.

AU - Andrews, A.

AU - Kofler, J.

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Turnbull J, Guenther D, Karion A, Sweeney C, Anderson E, Andrews A et al. An integrated flask sample collection system for greenhouse gas measurements. Atmospheric Measurement Techniques. 2012 Dec 1;5(9):2321-2327. https://doi.org/10.5194/amt-5-2321-2012