Physics
Scientific paper
Jun 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ge%26ae..22..444g&link_type=abstract
Geomagnetizm i Aeronomiia, vol. 22, May-June 1982, p. 444-449. In Russian.
Physics
Gravity Waves, Hydroxyl Emission, Internal Waves, Nightglow, Upper Atmosphere, Wave Propagation, Atmospheric Density, Atmospheric Temperature, Hydroxyl Radicals, Phase Shift, Propagation Modes, Pulse Amplitude, Velocity Distribution, Vertical Distribution
Scientific paper
Formulas are obtained for the amplitude and phase of wave variations in the intensity of the hydroxyl nightglow induced by the passage of internal gravity waves. Linear wave theory is used to evaluate the concentrations of excited hydroxyl radicals formed in oxygen-hydrogen reactions under the influence of density, temperature and vertical velocity variations created by the waves at heights of 70 to 100 km. The theoretical relations between the amplitude and phase shift of oscillations in emission intensity and temperature upon wave passage are found to correspond to experimentally derived relations to within an order of magnitude. Limits to the applicability of the linear theory are also considered.
Gavrilov Nikolai M.
Iudin V. A.
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