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Ozone profiles and chemical loss rates in the tropical stratosphere deduced from backscatter ultraviolet measurementsAnalysis of data obtained by the backscatter ultraviolet (BUV) experiment on the Atmosphere Explorer E satellite has provided equatorial ozone mixing ratio profiles for equinox and solstice conditions. The combination of these results with a pure oxygen chemical model yields the rate of odd oxygen loss due to the sum of the odd hydrogen, nitrogen, and chlorine cycles. Use of recent mid-latitude stratospheric measurements of HO(x), NO(x), and ClO(x) with the BUV data provides an independent calculation of the catalytic loss. Below 45 km the agreement between the two sets of loss rates is satisfactory. At higher altitudes the odd hydrogen cycle provides far more O(x) loss than can be tolerated by the BUV measurements if the photodissociation of O2 is the only source and has the currently accepted magnitude. The results suggest either a tropical HO(x) concentration smaller than is now believed or the presence of a very large source of odd oxygen in the upper stratosphere and lower mesosphere.
Document ID
19780042140
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Frederick, J. E.
(Michigan Univ. Ann Arbor, MI, United States)
Hays, P. B.
(Michigan, University Ann Arbor, Mich., United States)
Guenther, B. W.
(Michigan Univ. Ann Arbor, MI, United States)
Heath, D. F.
(NASA Goddard Space Flight Center Atmospheric and Hydrospheric Applications Div., Greenbelt, Md., United States)
Date Acquired
August 9, 2013
Publication Date
February 20, 1978
Publication Information
Publication: Journal of Geophysical Research
Volume: 83
Subject Category
Environment Pollution
Accession Number
78A26049
Funding Number(s)
CONTRACT_GRANT: NAS5-23006
Distribution Limits
Public
Copyright
Other

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