A numerical model for gravity wave dissipation in the thermosphere

Details A numerical model for gravity wave dissipation in the thermosphere A numerical model for gravity wave dissipation in the thermosphere

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jatp...50..689h&link_type=abstract

Journal of Atmospheric and Terrestrial Physics (ISSN 0021-9169), vol. 50, Aug. 1988, p. 689-697.

Physics

12

Atmospheric Models, Energy Dissipation, Gravity Waves, Thermosphere, Conservation Laws, Mathematical Models, Wentzel-Kramer-Brillouin Method

Scientific paper

Two simplified models have been developed for the internal gravity wave dissipation due to viscosity, thermal conduction, and ion-drag in a multilayered, isothermal thermosphere. Both models use the WKB approximation, ray theory, and the time-averaged equations of gravity wave energy conservation. One model uses all the equations appropriate to a dissipative atmosphere, while the other uses the dispersion equation and polarization relations applicable to a nondissipative atmosphere, neglecting the viscous and thermal conduction contributions to the energy flux. Results from these models are compared to each other and to the results obtained by Klostermeyer (1973), using a full-wave model.

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