Seismic Wave Propagation and Scattering in the Heterogenous Earth

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Springer Science & Business Media, 17 déc. 2008 - 308 pages
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Seismic waves – generated both by natural earthquakes and by man-made sources – have produced an enormous amount of information about the Earth's interior. In classical seismology, the Earth is modeled as a sequence of uniform horizontal layers (or sperical shells) having different elastic properties and one determines these properties from travel times and dispersion of seismic waves. The Earth, however, is not made of horizontally uniform layers, and classic seismic methods can take large-scale inhomogeneities into account. Smaller-scale irregularities, on the other hand, require other methods. Observations of continuous wave trains that follow classic direct S waves, known as coda waves, have shown that there are heterogeneities of random size scattered randomly throughout the layers of the classic seismic model. This book focuses on recent developments in the area of seismic wave propagation and scattering through the randomly heterogeneous structure of the Earth, with emphasis on the lithosphere. The presentation combines information from many sources to present a coherent introduction to the theory of scattering in acoustic and elastic materials and includes analyses of observations using the theoretical methods developed.

 

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Table des matières

CHAPTER 1
1
CHAPTER 2
7
CHAPTER 3
41
CHAPTER 4
87
CHAPTER 5
109
CHAPTER 6
149
CHAPTER 7
173
CHAPTER 8
229
CHAPTER 9
269
Appendix
277
Glossary of Symbols
279
References
283
Subject Index
303
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