Instability of acoustic-gravity waves and vortices in a nonadiabatic terrestrial atmosphere

Details Instability of acoustic-gravity waves and vortices in a nonadiabatic terrestrial atmosphere Instability of acoustic-gravity waves and vortices in a nonadiabatic terrestrial atmosphere

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf..937i&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.937

Physics

Scientific paper

A continuously stratified model of nonadiabatic terrestrial atmosphere with taking into account the temperature profile is constructed in order to study a possibility of instability development of acousticgravity waves. It is shown that the existence of regions in the atmosphere where the instability conditions are satisfied is due to the cooperation of thermal flow of solar radiation, infrared emission of the atmosphere, water vapor condensation, as well as thermal conductivity. Dispersion surfaces for acoustic-gravity waves are constructed for the altitudes less than 130 km. We also discuss largeamplitude vortices observed in Earth's troposphere and their possible structure.

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