Affiliation:
1. Obukhov Institute of Atmospheric Physics, 3 Pyzhevskii, 119017 Moscow, Russia
Abstract
AbstractInfrasound parameters (amplitudes, coherences, grazing angles, azimuths and horizontal phase speeds) derived during the passage of warm and cold fronts through the networks of microbarometers in the cities of Dubna and Moscow are presented. The significant differences observed in the temporal variations of the parameters of infrasound from warm and cold fronts are discussed. Such differences must be taken into account when detecting infrasound precursors of atmospheric storms.A possible mechanism for the generation of infrasound by the turbulent air stream flowing around the geometric irregularities of the meteorological front is proposed.. The observed effect of internal gravity waves on the parameters of infrasound and its frequency spectrum is explained.
Publisher
American Meteorological Society
Cited by
1 articles.
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