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dc.contributor.author
Chum, J.  
dc.contributor.author
Cabrera, Miguel Angel  
dc.contributor.author
Mosna, Z.  
dc.contributor.author
Fagre, Mariano  
dc.contributor.author
Fiser, Base J.  
dc.date.available
2018-09-12T20:14:26Z  
dc.date.issued
2016-12  
dc.identifier.citation
Chum, J.; Cabrera, Miguel Angel; Mosna, Z.; Fagre, Mariano; Fiser, Base J.; Nonlinear acoustic waves in the viscous thermosphere and ionosphere above earthquake; American Geophysical Union; Journal of Geophysical Research; 121; 12; 12-2016; 12,126-12,137  
dc.identifier.issn
0148-0227  
dc.identifier.uri
http://hdl.handle.net/11336/59440  
dc.description.abstract
The nonlinear behavior of acoustic waves and their dissipation in the upper atmosphere is studied on the example of infrasound waves generated by vertical motion of the ground surface during the Mw 8.3 earthquake that occurred about 46 km from Illapel, Chile on 16 September 2015. To conserve energy, the amplitude of infrasound waves initially increased as the waves propagated upward to the rarefied air. When the velocities of air particles became comparable with the local sound speed, the nonlinear effects started to play an important role. Consequently, the shape of waveform changed significantly with increasing height, and the original wave packet transformed to the “N-shaped” pulse resembling a shock wave. A unique observation by the continuous Doppler sounder at the altitude of about 195 km is in good agreement with full wave numerical simulation that uses as boundary condition the measured vertical motion of the ground surface.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
American Geophysical Union  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Dissipation  
dc.subject
Infrasound  
dc.subject
Ionosphere  
dc.subject
Nonlinear Phenomena  
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Remote Sensing  
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Viscosity  
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Meteorología y Ciencias Atmosféricas  
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Ciencias de la Tierra y relacionadas con el Medio Ambiente  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Nonlinear acoustic waves in the viscous thermosphere and ionosphere above earthquake  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2018-09-04T16:35:26Z  
dc.identifier.eissn
2169-9402  
dc.journal.volume
121  
dc.journal.number
12  
dc.journal.pagination
12,126-12,137  
dc.journal.pais
Estados Unidos  
dc.description.fil
Fil: Chum, J.. Institute Of Atmospheric Physics; República Checa  
dc.description.fil
Fil: Cabrera, Miguel Angel. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología. Departamento de Electricidad, Electrónica y Computación. Laboratorio de Telecomunicaciones; Argentina  
dc.description.fil
Fil: Mosna, Z.. Institute Of Atmospheric Physics; República Checa  
dc.description.fil
Fil: Fagre, Mariano. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología. Departamento de Electricidad, Electrónica y Computación. Laboratorio de Telecomunicaciones; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán; Argentina  
dc.description.fil
Fil: Fiser, Base J.. Institute Of Atmospheric Physics; República Checa  
dc.journal.title
Journal of Geophysical Research  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1002/2016JA023450  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1002/2016JA023450