Effect of atmospheric tides and waves on diffusion in the upper atmosphere

Details Effect of atmospheric tides and waves on diffusion in the upper atmosphere Effect of atmospheric tides and waves on diffusion in the upper atmosphere

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ge%26ae..28..242k&link_type=abstract

Geomagnetizm i Aeronomiia (ISSN 0016-7940), vol. 28, Mar.-Apr. 1988, p. 242-245. In Russian.

Physics

Atmospheric Diffusion, Atmospheric Tides, Gravity Waves, Upper Atmosphere, Wind Effects, Integral Equations, Internal Waves

Scientific paper

An analysis is made of the effect of horizontal wind due to atmospheric tides and internal gravity waves on passive-admixture diffusion in the upper atmosphere. It is shown that the interaction between the shear of the horizontal wind varying in time and over height and the usual diffusion spreading leads to a substantial increase in the diffusion velocity in the horizontal plane. For typical values of tide parameters, the horizontal diffusion at heights of 80-150 km is found to increase due to the effect considered by 2-to-3 orders of magnitude.

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