Articles | Volume 16, issue 12
https://doi.org/10.5194/acp-16-8043-2016
https://doi.org/10.5194/acp-16-8043-2016
Research article
 | 
01 Jul 2016
Research article |  | 01 Jul 2016

UV and infrared absorption spectra, atmospheric lifetimes, and ozone depletion and global warming potentials for CCl2FCCl2F (CFC-112), CCl3CClF2 (CFC-112a), CCl3CF3 (CFC-113a), and CCl2FCF3 (CFC-114a)

Maxine E. Davis, François Bernard, Max R. McGillen, Eric L. Fleming, and James B. Burkholder

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Cited articles

Baasandorj, M., Feierabend, K. J., and Burkholder, J. B.: Rate coefficients and ClO radical yields in the reaction of O(1D) with CClF2CCl2F, CCl3CF3, CClF2CClF2, and CCl2FCF3, Int. J. Chem Kinet., 43, 1–9, https://doi.org/10.1002/kin.20561, 2011.
Burkholder, J. B., Cox, R. A., and Ravishankara, A. R.: Atmospheric degradation of ozone depleting substances, their substitutes, and related species, Chem. Rev., 115, 3704–3759, https://doi.org/10.1021/cr5006759, 2015a.
Burkholder, J. B., Sander, S. P., Abbatt, J., Barker, J. R., Huie, R. E., Kolb, C. E., Kurylo, M. J., Orkin, V. L., Wilmouth, D. M., and Wine, P. H.: ”Chemical Kinetics and Photochemical Data for Use in Atmospheric Studies, Evaluation No. 18, JPL Publication 15-10, Jet Propulsion Laboratory, Pasadena, 2015, available at: http://jpldataeval.jpl.nasa.gov/ (last access: 23 June 2016), 2015b.
Daniel, J. S., Velders, G. J. M., Douglass, A. R., Forster, P. M. D., Hauglustaine, D. A., Isaksen, I. S. A., Kuijpers, L. J. M., McCulloch, A., and Wallington, T. J.: Halocarbon scenarios, ozone depletion potentials, and global warming potentials, Chapter 8 in World Meteorological Organization: Scientific assessment of ozone depletion: 2006, Global Ozone Research and Monitoring Project – Report No. 50, Geneva, 2007.
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Short summary
Chlorofluorocarbons, CFCs, are man-made compounds emitted into the atmosphere. Recently, several CFC compounds (CCl2FCCl2F (CFC-112), CCl3CClF2 (CFC-112a), CCl3CF3 (CFC-113a)) were observed in the atmosphere for the first time while their impact on stratospheric ozone and climate is presently not well characterized. In this study, the UV absorption spectra of these CFCs and CCl2FCF3 (CFC-114a) were measured, and an atmospheric model was used to evaluate their impacts on ozone and climate.
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