Computer Science – Sound
Scientific paper
May 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982p%26ss...30..439m&link_type=abstract
Planetary and Space Science, vol. 30, May 1982, p. 439-450.
Computer Science
Sound
61
Dayglow, Monte Carlo Method, Oxygen Spectra, Radiation Transport, Resonance Scattering, Abundance, Atomic Energy Levels, Atomic Excitations, Electron Impact, Frequency Distribution, Optical Thickness, Photoelectrons, Planetary Atmospheres, Rocket Sounding, Sunlight, Temperature Gradients
Scientific paper
The transport of resonance radiation under optically thick conditions is shown to be accurately described by a Monte Carlo model of the atomic oxygen 1304 A airglow triplet in which partial frequency redistribution, temperature gradients, pure absorption and multilevel scattering are accounted for. All features of the data can be explained by photoelectron impact excitation and the resonant scattering of sunlight, where the latter source dominates below 100 and above 500 km and is stronger at intermediate altitudes than previously thought. It is concluded that the OI 1304 A emission can be used in studies of excitation processes and atomic oxygen densities in planetary atmospheres.
Lee Joon Sue
Meier Robert R.
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