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FIRST STRATOSPHERIC MEASUREMENTS OF CARBONYL FLUORIDE ($COF_{2}$) FROM HIGH RESOLUTION INFRARED SOLAR ABSORPTION SPECTRA OBTAINED BY THE ATMOS EXPERIMENT ABOARD SPACELAB 3

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/16973

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Title: FIRST STRATOSPHERIC MEASUREMENTS OF CARBONYL FLUORIDE ($COF_{2}$) FROM HIGH RESOLUTION INFRARED SOLAR ABSORPTION SPECTRA OBTAINED BY THE ATMOS EXPERIMENT ABOARD SPACELAB 3
Creators: Rinsland, C. P.; Zander, R.; Brown, L. R.; Farmer, C. B.; Park, J. H.; Russell, J. M., III; Norton, R. A.
Issue Date: 1986
Abstract: More than 3000 infrared solar spectra were recorded on 4/29-5/1/85 at $-0.01 cm^{-1}$ resolution by the ATMOS (Atmospheric Trace Molecule Spectroscopy) experiment during the Spacelab 3 shuttle mission. About 2000 of these spectra are high sun scans; the remaining spectra were recorded over long atmospheric limb paths during sunrise and sunset. These latter spectra show a wealth of absorption features of numerous minor and trace gases in the Earth's thermosphere, mesosphere, stratosphere, and troposphere. We report here the first stratospheric measurments of $COF_{2}$ (carbonyl flouride), a molecule postulated to be an important intermediate product of the decomposition of chlorofluorocarbons (CFC's) in the upper atmosphere. Absorption features of $COF_{2}$ have been identified at $774.0 cm^{-1}$ and in the $1925-1965-cm^{-1}$ region of the ATMOS stratospheric spectra. The lower wavenumber feature is the unresolved narrow Q branch of the C-type $\nu_{6}$ band. Numerous unresolved manifolds of the intense A-type $\nu_{1}$ band are observed in the higher wavenumber region. ATMOS spectra showing these $COF_{2}$ features will be presented. Research at the Jet Propulsion Laboratory was performed under contract with NASA.
URI: http://hdl.handle.net/1811/16973
Other Identifiers: 1986-RB-6
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