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ID 54115
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The effect of the seismic attenuation on the S-wave polarization anisotropy
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Abstract
We investigate the effect of the seismic attenuation on the shear-wave polarization anisotropy by numerical experiments. For the experiments, the P-wave receiver functions are synthesized by assuming that a plane P wave is incident on an anisotropic multi-layer structure with anelastic properties. The synthetic receiver function shows smooth Ps phase waveforms with small amplitudes due to the attenuation of high-frequency spectral components, compared to that calculated for a multi-layer structure with perfect elasticity. From the shear-wave splitting of the Ps converted phases in the synthetic receiver functions, the S-wave polarization anisotropies for the anisotropic layers are measured as a function of propagation direction of the incident P wave. Consequently, we conclude that the seismic attenuation has a minor influence on the measurements of the S-wave polarization anisotropy.
Keywords
shear-wave polarization anisotropy
shear-wave splitting
seismic attenuation
Psconverted phase
P-wave receiver function
Publication Title
Okayama University Earth Science Report
Published Date
2015-12-27
Volume
volume22
Issue
issue1
Publisher
岡山大学理学部地球科学教室
Publisher Alternative
Department of Earth Sciences, Faculty of Science, Okayama University
Start Page
1
End Page
7
ISSN
1340-7414
NCID
AN10506284
Content Type
Departmental Bulletin Paper
OAI-PMH Set
岡山大学
language
日本語
Copyright Holders
© 2015 by Okayama University Earth Science Reports Editorial Committee All Rights Reserved
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publisher
Refereed
False
NAID
Eprints Journal Name
esr