Abstract
This article is devoted to theoretical and experimental investigations of nonlinear interactions of acoustic waves with the plasma in the ionosphere. It is shown that a low frequency acoustic wave excited by means of a ground-based acoustic generator (GAG) causes a periodic structure in the ionosphere and an increase of the transparency for cosmic radioemission. This phenomenon makes it possible to simulate the acoustic channel of the lithosphere-atmosphere-ionosphere connection, and to investigate this channel experimentally by means of acoustic generators. Here we present the experiment and the theory which confirm that the acoustic channel is one of the strongest for the passing of energy from the lithosphere to the ionosphere through the atmosphere.
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