Determination of atmospheric composition and temperature from the U.V. airglow

Details Determination of atmospheric composition and temperature from the U.V. airglow Determination of atmospheric composition and temperature from the U.V. airglow

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983p%26ss...31..967m&link_type=abstract

(European Geophysical Society, Meeting on the Structure of the Upper and Middle Atmosphere, Leeds, England, Aug. 23-27, 1982) Pl

Computer Science

Sound

17

Airglow, Atmospheric Composition, Atmospheric Temperature, Auroral Spectroscopy, Ultraviolet Spectroscopy, Atmospheric Sounding, Dayglow, Far Ultraviolet Radiation, Temperature Measurement

Scientific paper

Recent spectroscopic observations of atmospheric emissions in the UV region of the spectrum have been analyzed using laboratory-measured excitation cross-sections, models and observations of energetic electron fluxes, and models of atmospheric composition. In both the airglow and the aurora, self-consistent pictures of the excitation processes and atmospheric composition have been obtained. These analyses have shown that photoelectron fluxes measured from the Atmospheric Explorer satellite are in good agreement with the photoelectron-excited dayglow, and that a large number of recent laboratory-measured excitation processes are able to reproduce the UV spectra in both the dayglow and aurora. Accurate quantitative determinations of thermospheric parameters can now be made from UV spectral observations. In particular, the composition and temperature can be obtained from altitude profiles of the emissions alone, without reliance on the absolute photoelectron flux.

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