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Mesospheric ionization and O2 1Delta(g) depletionObservations of O2 1Delta(g) emission during solar proton events reveal large depletions below 80 and near 90 km. The lower-altitude depletions are believed to be due to odd hydrogen production and associated depletion of ozone, but the mechanism producing the depletion near 90 km has not yet been established. In this paper, it is proposed that an exothermic charge exchange reaction between O2(+) and O2 1Delta(g) is likely to be responsible for these high-altitude depletions. In particular, it is shown that the vertical structure of the observed change in airglow emission is consistent with this mechanism.
Document ID
19880023362
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Spear, K. A.
(Colorado, University Boulder, United States)
Solomon, S.
(NOAA, Aeronomy Laboratory, Boulder CO, United States)
Date Acquired
August 13, 2013
Publication Date
August 1, 1987
Publication Information
Publication: Planetary and Space Science
Volume: 35
ISSN: 0032-0633
Subject Category
Geophysics
Accession Number
88A10589
Distribution Limits
Public
Copyright
Other

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