Regimes of Convection from an Isolated Buoyancy Source
in a Rotating Fluid

B. M. Boubnov* and H. J. Fernando**

* Oboukhov Institute of Atmospheric Physics, Russian Academy of Sciences, Pyzhevskii per. 3, Moscow, 109017 Russia

** Arizona State University, Tempe, United States

Received December 11, 1997; in final form, November 13, 1998

Abstract—Different regimes of density convective motions in a rotating fluid from an isolated buoyancy source
are considered. It is shown that, along with geostrophic regimes of convection, the regimes of an inclined rotat-
ing turbulent jet and the regime of an anticyclonic rotating cylindrical vortex exist in water. Different approxi-
mations that are used to describe convective motions in a rotating fluid in both quasi-geostrophic and other
regimes are classified.

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