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| VOLUME 84 (2006) | ISSUE 2 | PAGE 81 |
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Two-stream-like mechanism of zonal-flow generation by Rossby waves in shallow rotating fluid
A. B. Mikhailovskii+, M. S. Shirokov+, A. I. Smolyakov+*, V. S. Tsypin
 +Institute of Nuclear Fusion, Russian Research Centre "Kurchatov Institute", 123182 Moscow, Russia *University of Saskatchewan, Saskatoon S7N 5E2, Canada Physics Institute, University of S o Paulo, Cidade Universitaria, 05508-900, S o Paulo, Brazil
PACS: 47.32.-y, 52.35.-g, 98.62.Hr
Abstract
It is shown that the small-scale Rossby waves in shallow rotating fluid, placed in gravitational field, can generate large-scale zonal flows by means of a two-stream-like mechanism. This mechanism is revealed in the conditions when the Lighthill instability criterion is not satisfied. |