2019
DOI: 10.5194/angeo-2019-1
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Evanescent acoustic-gravity modes in the isothermal atmosphere: systematization, applications to the earth's and solar atmospheres

Abstract: Abstract. The objects of research in this work are evanescent wave modes in a gravitationally stratified atmosphere and their associated pseudo-modes. Whereas the former, according to the dispersion relation, rapidly decrease with distance from a certain surface, the latter, having the same dispersion law, differ from the first by the form of polarization and the character of its decreasing away from the surface. Within a linear hydrodynamic model, the propagation features of evanescent wave modes in an isothe… Show more

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Cited by 5 publications
(8 citation statements)
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“…The solutions for the amplitudes of the perturbed values of the f-mode in the atmosphere with dissipation have the form: (15) The polarization relations for the velocity components of the f-mode coincide with the case of an isothermal atmosphere without dissipation [8].…”
Section: Dispersion Equation and The F-mode Attenuation Decrementmentioning
confidence: 94%
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“…The solutions for the amplitudes of the perturbed values of the f-mode in the atmosphere with dissipation have the form: (15) The polarization relations for the velocity components of the f-mode coincide with the case of an isothermal atmosphere without dissipation [8].…”
Section: Dispersion Equation and The F-mode Attenuation Decrementmentioning
confidence: 94%
“…For the f-mode, we put in equations ( 2)-( 5) [8,16,21]. Taking this condition into account, we obtain the following from ( 5):…”
Section: Dispersion Equation and The F-mode Attenuation Decrementmentioning
confidence: 99%
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