Rossby wave propagation on beta-planes

Details Rossby wave propagation on beta-planes Rossby wave propagation on beta-planes

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jats...45...41o&link_type=abstract

Journal of the Atmospheric Sciences (ISSN 0022-4928), vol. 45, Jan. 1988, p. 41-54.

Physics

Planetary Waves, Rossby Regimes, Wave Propagation, Atmospheric Circulation, Stratosphere, Wind Profiles, Winter

Scientific paper

Although the linear wave theory can reproduce the gross time-averaged features of planetary wave propagation in the stratosphere during wintertime, in showing the tendency for wave activity to refract towards weak wind regions, there are periods in the atmosphere when strong wave absorption occurs through wave-mean flow interaction and when nonlinearity becomes dominant. In this paper, these events are studied using quasi-geostrophic beta-plane models, demonstrating that these models can reproduce many realistic features of Rossby wave propagation in the stratosphere. Two aspects of wave propagation were considered: (1) the dependence of wave propagation on the degree of meridional resolution and (2) beta-plane wave propagation with reasonable meridional resolution included.

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