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Advances in Studies of Heterogeneities in the Earth's Lithosphere: The Keiiti Aki Volume II 2006 Edition
Contributor(s): Ben-Zion, Yehuda (Editor), Lee, William H. K. (Editor)

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 ISBN: 3764375795     ISBN-13: 9783764375799
Publisher: Birkhauser
OUR PRICE: $52.24  

Binding Type: Paperback
Published: April 2006
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Annotation: This second special issue of Pure and Applied Geophysics in honor of Keiiti Aki focuses on recent advances in quantifying and interpreting heterogeneities in lithosperic structures and earthquake behavior. The volume provides a combination of reviews, methodological studies and applications on topics related to Aki's pioneering contributions. It also includes material on Keiiti Aki and a list of his publications. The discussed subjects include research associated with dynamic earthquake rupture, studies on imaging earthquake locations and structures using P and S seismic phases, and studies associated with imaging source and structure properties using scattered coda waves. The volume will be useful to students and researchers alike, who are interested in the nature of large- and small-scale heterogeneities in the earth's lithosphere and earthquake properties.

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Additional Information
BISAC Categories:
- Science | Earth Sciences - Seismology & Volcanism
- Science | Physics - Geophysics
Dewey: 551.220
Series: Pageoph Topical Volumes
Physical Information: 0.77" H x 6.73" W x 9.4" L (1.60 lbs) 370 pages
 
Descriptions, Reviews, Etc.
Publisher Description:
heterogeneous structures, especially when the data quality is not very high. GAUTIER et al. perform tomographic inversion of local earthquake arrival times for crustal structure and earthquake locations in the actively rifting Gulf of Corinth. The velocities image the rift basin and the hypocenters image a regional-scale detachment fault. Inthe third group of papers, SNIEDER reviews theoretical concepts governing changes of coda waves due to small localized perturbations in the medium properties or source location, and describes how to estimatethe resulting meanand varianceofthe travel-time perturbations. CAMPILLO reviews theoretical results on properties of coda waves in asymptotic multiple-scattering regime, and how to construct Green functions from coda waves and ambient seismic noise. The results are illustrated with applications of imaging velocity structures in Alaska and California. WEGLER et al. use the theory of radiative transfer to model the transport of seismic energy in 2-D and 3-D acoustic random media. The theory accounts correctly for the direct wave front, envelope broadening caused by multiple forward scattering, and late coda caused by multiple wide-angle scattering. However, for very heterogeneous media the radiative transfer results di?er from those of the full wave equation. ZENG develops a set of scattered wave energy equations that include scattered surface waves and conversions of body waves to surface wave scattering. Numerical results show that scattered wave energy can be approximated well by body-wave scattering at earlier times and short distances, but at large distances scattered surface waves dominate the scattered body waves at surface stations.
 
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