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Seismic Wave Propagation Through Random Media: Monte Carlo Simulation Based on the Radiative Transfer Theory.
・ISBN 978-1-316-51115-2 hard GB£ 110.00
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| 著者・編者 | Sato, Haruo / Emoto, Kentaro, |
|---|---|
| 出版社 | (Cambridge University Press, UK) |
| 出版年月 | 2024 |
| ページ数 | 188 pp. |
| 言語 | ENG |
| ニュース番号 | ＜A03-1832＞ |
解説
The solid Earth's medium is heterogeneous over a wide range of scales. Seismological observations, including envelope broadening with increasing distance from an earthquake source and the excitation of long-lasting coda waves, provide a means of investigating velocity inhomogeneities in the lithosphere. These phenomena have been studied primarily using radiative transfer theory with random medium modelling. This book presents the mathematical foundations of scalar- and vector-wave scattering in random media, using the Born or Eikonal approximation, which are useful for understanding random inhomogeneity spectra and the scattering characteristics of the solid Earth. A step-by-step Monte Carlo simulation procedure is presented for synthesizing the propagation of energy density for impulsive radiation from a source in random media. Simulation results are then verified by comparison with analytical solutions and finite-difference simulations. Presenting the latest seismological observations and analysis techniques, this is a useful reference for graduate students and researchers in geophysics and physics.