Physics
Scientific paper
Feb 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995jatp...57..135e&link_type=abstract
Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 57, no. 2, p. 135-139
Physics
1
Atmospheric Density, Gravity Waves, Ozone, Ozonosphere, Periodic Variations, Shear Flow, Stratified Flow, Amplitudes, Density (Number/Volume), Flow Velocity, Nonlinearity, Oscillations, Phase Velocity
Scientific paper
In a number of experiments on ozone layer investigations, short-term ozone variations with periods of an hour or several hours at heights of 2-50 km were observed. We suppose that this phenomenon may originate due to the interaction of internal gravity waves with stratified shear flows in the vicinity of a critical layer, where the phase velocity of the wave is equal to the flow velocity. The amplitude and period of the ozone density oscillations are found in a gravity wave of constant amplitude, when the flow pattern near the critical layer is determined by nonlinearity, and viscosity effects are small. We have found that the density variation of the passive admixture of air can be comparable with the unperturbed density.
Erukhimova T. L.
Trakhtengerts Yu. V.
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