Some Results of the Experiments on Acoustic Wave Scattering
from Anisotropic Inhomogeneities of the Middle Atmosphere

G. A. Bush, S. N. Kulichkov, and A. I. Svertilov

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

Received August 1, 1995

Abstract—Reliable recording of acoustic signals from ground explosions in acoustic shadow regions is exper
imentally demonstrated. The results obtained suggest that anisotropic structures of the effective acoustic speed
field, which are characterized by intense turbulence during all seasons, exist in the middle atmosphere. Such
structures occupy the whole stratospheric thickness. In the mesosphere, the presence of an isolated layer with
intense turbulence is possible. The results of this work may serve as the experimental basis for the development
of a method for acoustic sounding of turbulence in the middle atmosphere.


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