LOWER STRATOSPHERIC TRACE CONSTITUENTS FROM A BALLOON-BORNE CRYOGENIC INTERFEROMETER

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The infrared emission from minor constituents in the lower stratosphere has been measured using a balloon-borne cryogenic Fourier spectrometer. A liquid-nitrogen cooled interferometer spectrometer with liquid-helium cooled Si:Ga detectors has recorded selected portions of the thermal emission spectrum from $650-2000 cm^{-1}$ with an apodized resolution $0.03 cm^{-1}$. Species identified to date include $CO_{2}, O_{3}, H_{2}O, CH_{4}, HNO_{3}, N O NO_{2}, NO, ClONO_{2}, CCl_{3}F$, and $CF_{2}Cl_{2}$. A tentative identification of $N_{2}O_{5}$ in the $1230 - 1270 cm^{2-1}$ redion has been made.

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Author Institution: Code 693.2, Goddard Space Flight Center; Department of Physics and Atmospheric Sciences, Drexel University; Department of Physics, University of Denver; Science Systems and Applications, Inc., Seabrook, Maryland 20706.; Code 610.0, Goddard Space Flight Center.; National Center for Atmospheric Research, P.O. Box 3000

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