PROPAGATION OF PULSED ACOUSTIC WAVES IN THE ATMOSPHERIC GROUND LAYER. PART 2: INFLUENCE OF THE UNDERLYING SURFACE ON THE SHAPE AND PARAMETERS OF ACOUSTIC PULSES

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Abstract

The results of experimental studies of the propagation of a nonlinear acoustic wave in the surface layer of the atmosphere are analyzed. The influence of the underlying surface and vegetation on the waveform, as well as on its amplitude and width of the frontal region, is considered. A large-scale effect of the interaction of a nonlinear acoustic wave with vegetation has been revealed. It is shown that the expansion of the front region of the wave obeys the law of energy similarity. The necessity of searching for a mechanism that causes such a character of wave development is noted.

About the authors

S. I Kosyakov

Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences

Email: ksi1972.02@mail.ru
Moscow, Russia

Yu. A Mitasov

Peter the Great Military Academy of the Strategic Missile Forces

Moscow, Russia

S. N Kulichkov

Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences; Lomonosov Moscow State University

Email: snik1953@gmail.com
Moscow, Russia; Moscow, Russia

M. N Zakirov

Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences

Moscow, Russia

G. A Bush

Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences

Moscow, Russia

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