Reference : Increase of stratospheric carbon tetrafluoride (CF4) based on ATMOS observations from sp...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Earth sciences & physical geography
http://hdl.handle.net/2268/14567
Increase of stratospheric carbon tetrafluoride (CF4) based on ATMOS observations from space
English
Zander, Rodolphe mailto [Université de Liège - ULg > Services généraux (Faculté des sciences) > Relations académiques et scientifiques (Sciences) >]
Solomon, S. [> > > >]
Mahieu, Emmanuel mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS) >]
Goldman, A. [> > > >]
Rinsland, C. P. [> > > >]
Gunson, M. R. [> > > >]
Abrams, M. C. [> > > >]
Chang, A. Y. [> > > >]
Salawitch, R. J. [> > > >]
Michelsen, H. A. [> > > >]
Newchurch, M. J. [> > > >]
Stiller, G. P. [> > > >]
15-Aug-1996
Geophysical Research Letters
American Geophysical Union
23
17
2353-2356
Yes (verified by ORBi)
International
0094-8276
Washington
DC
[en] Atmospheric composition ; carbon tetrafluoride ; atmospheric lifetime ; ATMOS instrument ; remote sensing
[en] Stratospheric volume mixing ratio profiles of carbon tetrafluoride, CF4, obtained with the Atmospheric Trace Molecule Spectroscopy (ATMOS) instrument during the ATLAS (Atmospheric Laboratory for Applications and Science) -3 mission of 1994 are reported. Overall the profiles are nearly constant over the altitude range 20 to 50 km, indicative of the very long lifetime of CF4 in the atmosphere. In comparison to the stratospheric values of CF4 inferred from the ATMOS/Spacelab 3 mission of 1985, the 1994 concentrations are consistent with an exponential increase of (1.6 +/- 0.6)%/yr. This increase is discussed with regard to previous results and likely sources of CF4 at the ground. Further, it is shown that simultaneous measurements of N2O and CF4 provide a means of constraining the lower limit of the atmospheric lifetime of CF4 at least 2,300 years, two sigma.
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/14567
http://www.agu.org/pubs/crossref/1996/96GL00957.shtml

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