On modeling some peculiarities of the tropical atmosphere circulation

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M. DOBRYSHMAN E.

Abstract

The solitary disturbances and wave motions of various scales are the peculiarities which appear on the general east flow in the tropical atmosphere. Relatively simple systems of the hydrothermodynamic equations permit the modeling of these peculiarities A nonlinear system allows to find a solition's type solution in a limited area. Such solution is called "modon". A linear system contains almost all wave motions in the low latitudes including the equatorial belt. Three parts of the spectrum are revealed especially clear-the first part corresponds to the period interval of some dozen minutes, the second one to the order one to ten days, and the third part corresponds to the quasi-biennial oscillation of the zonal wind.

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