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arxiv: ao-sci/9606001 · v2 · submitted 1996-06-09 · ao-sci · physics.ao-ph

Entropic "sound" in the atmosphere

classification ao-sci physics.ao-ph
keywords velocitysoundatmospherelocaladiabaticamplitudedependsdisturbances
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It is shown that small, local disturbances of entropy in the atmosphere may give rise to "sound" waves propagating with a velocity which depends on the amplitude ratio of the local relative variations of temperature and volume. This velocity is much smaller than the mean molecular velocity and the usual, adiabatic sound velocity.

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