Summary
Vertical profiles of the stratospheric CCl4, CH3C1, CH3CC1, C2F2C13 mixing ratios derived from two balloon flights over Southern France (44° N) in 1982 and 1983 are presented. A total of 26 air samples were collected in situ by a newly developed balloon-borne cryogenic sampler. The samples were analysed in the laboratory within four weeks after the flight employing two different analytical techniques: gas chromatography and a gas chromatograph/mass spectrometer combination. The observed mixing ratios are well in the range of previous determinations of these species in the stratosphere. Above about 30 km CC14 and CH3CC13 mixing ratios are below the analytical detection limits of both techniques. A comparison with 1-D model calculations shows that for all species the observations are lower than the theoretical profiles.
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© 1985 ECSC, EEC, EAEC, Brussels and Luxembourg
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Knapska, D., Schmidt, U., Jebsen, C., Kulessa, G., Rudolph, J., Penkett, S.A. (1985). Vertical Profiles of Chlorinated Source Gases in the Midlatitude Stratosphere. In: Zerefos, C.S., Ghazi, A. (eds) Atmospheric Ozone. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-5313-0_24
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DOI: https://doi.org/10.1007/978-94-009-5313-0_24
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