A comparison of measurements of the oxygen nightglow and atomic oxygen in the lower thermosphere

Details A comparison of measurements of the oxygen nightglow and atomic oxygen in the lower thermosphere A comparison of measurements of the oxygen nightglow and atomic oxygen in the lower thermosphere

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991p%26ss...39..627s&link_type=abstract

Planetary and Space Science (ISSN 0032-0633), vol. 39, April 1991, p. 627-639.

Computer Science

Sound

18

Nightglow, Oxygen Atoms, Oxygen Spectra, Thermosphere, Forbidden Transitions, Ion Density (Concentration), Mesosphere, Midlatitude Atmosphere, Rocket Sounding, Visible Spectrum

Scientific paper

The relationship between the oxygen nightglow and the atomic oxygen density in the lower thermosphere was investigated. This was done using data from two sounding rocket experiments conducted over White Sands Missile Range (32-deg N, 106-deg W). The first flight was launched on November 2, 1978 while the second was launched on December 7, 1981. Both flights contained resonance lamps to measure the atomic oxygen density. The peak density in both cases was near 1.9 x 10 to the 11th/cu cm. In addition, the 1978 flight contained a photometer to measure the 5577 A green line, while the 1981 flight contained photometers to measure the green line, the UV nightglow, and the 7620 A (0,0) atmospheric band. Empirical models of these airglow features were used to compare with the O density measurements. In the case of the atmospheric band, excellent agreement is seen concerning the shape of the atomic oxygen profile, while some discrepancies were seen with the Herzberg band and the green line. In all cases, the absolute value of our peak O density appeared to be about 2.5 times lower, for a given airglow intensity, than previous measurements.

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