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Coupled S waves in inhomogeneous weakly anisotropic media using first-ordes ray tracing
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SYSNO ASEP 0332505 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Coupled S waves in inhomogeneous weakly anisotropic media using first-ordes ray tracing Author(s) Farra, V. (FR)
Pšenčík, Ivan (GFU-E) ORCID, RIDSource Title Geophysical Journal International - ISSN 0956-540X
Roč. 180, č. 1 (2010), s. 405-417Number of pages 13 s. Language eng - English Country GB - United Kingdom Keywords body waves ; seismic anisotropy ; wave propagation Subject RIV DC - Siesmology, Volcanology, Earth Structure R&D Projects GA205/08/0332 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z30120515 - GFU-E (2005-2011) UT WOS 000272885200028 DOI 10.1111/j.1365-246X.2009.04423.x Annotation We present a modification of our recently proposed approximate procedure for computing coupled S waves in inhomogeneous weakly anisotropic media. The new procedure can be used to compute S waves propagating in smooth inhomogeneous isotropic or anisotropic media. In isotropic media, it reduces to standard ray theory procedure for S waves. In anisotropic media, it can be used to study coupled as well as decoupled S waves. As the previous procedure, the new one is also based on the approximately computed common S-wave ray. First-order ray tracing and dynamic ray tracing, originally developed for computations of P-wave fields, is used to compute common S-wave rays and the dynamic ray tracing along them. Workplace Geophysical Institute Contact Hana Krejzlíková, kniha@ig.cas.cz, Tel.: 267 103 028 Year of Publishing 2010
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