Effects of wave-induced diffusion on thermospheric acoustic-gravity waves

Details Effects of wave-induced diffusion on thermospheric acoustic-gravity waves Effects of wave-induced diffusion on thermospheric acoustic-gravity waves

Apr 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978georl...5..265d&link_type=abstract

Geophysical Research Letters, vol. 5, Apr. 1978, p. 265-267. Research supported by the Aerospace Corp.;

Physics

1

Atmospheric Diffusion, Gravity Waves, Magnetoacoustic Waves, Satellite Observation, Thermosphere, Wave Interaction, Amplitude Distribution Analysis, Atmospheric Composition, Explorer 51 Satellite, Phase Shift, Phase Velocity

Scientific paper

When wave-induced diffusion is included in the equations governing acoustic-gravity wave propagation in an atmosphere in diffusive equilibrium, it is found that phase and amplitude relationships between the density fluctuations of individual atmospheric constituents agree with AE-C satellite observations of wavelike structure only over a narrow range of wave periods. For a 400-km horizotal wavelength, the observations are consistent with internal gravity waves of periods 11.5-22 minutes propagating at phase speeds 300-600 m/sec.

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