EFFECT OF TEMPERATURE STRATIFICATION ON ADIABATIC OSCILLATIONS IN A POLYTROPIC ATMOSPHERE.

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作者：
Gorbunova, O.K.
Kadyshnikov, V.M.
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Soviet meteorology and hydrology | 1982年 / 03期
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The frequency spectrum of hydrothermodynamic equations linearized relative to the state of rest with a polytropic temperature distribution is investigated. An analysis of the dependence of frequencies and group velocities on the temperature lapse rate of this state and on the vertical variability of disturbances, characterized by the number of sign changes of their amplitudes (by the number of the mode), shows how with an increase of stability and decrease of variability the acoustic frequencies decrease and the gravity frequencies increase, and also how the propagation velocity of both types of disturbances in the atmosphere changes in this case.
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页码：11 / 18
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