Other
Scientific paper
Jan 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jbis...30...32g&link_type=abstract
British Interplanetary Society, Journal (Space Science), vol. 30, Jan. 1977, p. 32-36.
Other
Atmospheric Heating, Atmospheric Tides, Energy Transfer, Upper Atmosphere, Diurnal Variations, Ozone, Solar Radiation, Thermosphere, Water Vapor
Scientific paper
For mean January, April, July and October conditions profiles are presented of (1,1) and (1,3) Hough function modes of heating rate per unit mass of atmosphere due to water vapor and ozone absorptions of solar radiation. Tidal response weighting functions are calculated for a typical low latitude basic atmosphere and applied to the heating rates to illustrate the relative effectiveness of heating at different heights in generating tidal fields at 80 km and above. Global averages of the energy fluxes propagated upwards by these modes at 80 km are evaluated; and the results support a value of about 0.1 mW/sq m for the tidal energy flux entering the thermosphere by the (1,1) mode when an allowance is made for dissipation at lower heights. For July the flux is 30% lower than for the other months considered and this decrease may be relevant to the July minimum observed in thermospheric air densities.
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