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Intercomparison of measurements of stratospheric hydrogen fluoride |
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| Authors: | William G Mankin M T Coffey K V Chance W A Traub B Carli F Mencaraglia S Piccioli I G Nolt J V Radostitz R Zander G Roland Douglas W Johnson Gerald M Stokes C B Farmer R K Seals |
| Institution: | (1) National Center for Atmospheric Research, P.O.Box 3000, 80307 Boulder, CO, U.S.A.;(2) Smithsonian Astrophysical Observatory, 60 Garden Street, 02138 Cambridge, MA, U.S.A.;(3) Istituto di Ricerca sulle Onde Elettromagnetiche, Via Panciatichi 64, 50127 Firenze, Italy;(4) University of Oregon, 97403 Eugene, OR, U.S.A.;(5) Institute of Astrophysics, B-4200 Liége-Ougrè, Belgium;(6) Battelle-Northwest Laboratories, P. O. Box 999, 99352 Richland, WA, U.S.A.;(7) Jet Propulsion Laboratory, 4800 Oak Grove Drive, 91103 Pasadena, CA, U.S.A.;(8) NASA Langley Research Center, 23665 Hampton, VA, U.S.A. |
| Abstract: | Observations of the vertical profile of hydrogen fluoride (HF) vapor in the stratosphere and of the vertical column amounts of HF above certain altitudes were made using a variety of spectroscopic instruments in the 1982 and 1983 Balloon Intercomparison Campaigns. Both emission instruments working in the far infrared spectral region and absorption instruments using solar occultation in the 2.5 m region were employed. No systematic differences were seen in results from the two spectral regions. A mean profile from 20–45 km is presented, with uncertainties ranging from 20% to 50%. Total columns measured from ground and from 12 km are consistent with the profile if the mixing ratio for HF is small in the tropophere and low stratosphere. |
| Keywords: | Hydrogen fluoride HF stratosphere intercomparisons infrared |
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