Reference : ATMOS/ATLAS 3 infrared profile measurements of trace gases in the November 1994 tropi...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Earth sciences & physical geography
ATMOS/ATLAS 3 infrared profile measurements of trace gases in the November 1994 tropical and subtropical upper troposphere
Rinsland, C. P. [> > > >]
Gunson, M. R. [> > > >]
Wang, P.-H. [> > > >]
Arduini, R. F. [> > > >]
Baum, B. A. [> > > >]
Minnis, P. [> > > >]
Goldman, A. [> > > >]
Abrams, M. C. [> > > >]
Zander, Rodolphe mailto [Université de Liège - ULiège > Services généraux (Faculté des sciences) > Relations académiques et scientifiques (Sciences) >]
Mahieu, Emmanuel mailto [Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe infra-rouge de phys. atmosph. et solaire (GIRPAS) >]
Salawitch, R. J. [> > > >]
Michelsen, H. A. [> > > >]
Irion, F. W. [> > > >]
Newchurch, M. J. [> > > >]
Journal of Quantitative Spectroscopy & Radiative Transfer
Pergamon Press - An Imprint of Elsevier Science
Yes (verified by ORBi)
United Kingdom
[en] atmospheric composition ; ATMOS instrument
[en] Vertical mixing ratio profiles of four relatively long-lives gases, HCN, C2H2, CO, and C2H6, have been retrieved from 0.01 cm(-1) resolution infrared solar occultation spectra recorded between latitudes of 5.3 degrees N and 31.4 degrees N. The observations were obtained by the Atmospheric Trace Molecule Spectroscopy (ATMOS) Fourier transform spectrometer during the Atmospheric Laboratory for Applications and Science (ATLAS) 3 shuttle flight, 3-12 November 1994. Elevated mixing ratios below the tropopause were measured for these gases during several of the occultations. The positive correlations obtained between the simultaneously measured mixing ratios suggest that the enhancements are likely the result of surface emissions, most likely biomass burning and/or urban industrial activities, followed by common injection via deep convective transport of the gases to the upper troposphere. The elevated levels of HCN may account for at least part of the "missing NOy" in the upper troposphere. Comparisons of the observations with values measured during a recent aircraft campaign are presented. Published by Elsevier Science Ltd.
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