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Author : Edmund Reiter
Publisher :
ISBN 13 :
Total Pages : 37 pages
Book Rating : 4.:/5 (237 download)
Download or read book Influence of Scattering on Seismic Waves written by Edmund Reiter and published by . This book was released on 1988 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Haruo Sato
Publisher : Springer Science & Business Media
ISBN 13 : 3642230288
Total Pages : 505 pages
Book Rating : 4.6/5 (422 download)
Download or read book Seismic Wave Propagation and Scattering in the Heterogeneous Earth : Second Edition written by Haruo Sato and published by Springer Science & Business Media. This book was released on 2012-03-08 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 spherical 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. The second edition especially includes new observational facts such as the spatial variation of medium inhomogeneities and the temporal change in scattering characteristics and recent theoretical developments in the envelope synthesis in random media for the last ten years. Mathematics is thoroughly rewritten for improving the readability. Written for advanced undergraduates or beginning graduate students of geophysics or planetary sciences, this book should also be of interest to civil engineers, seismologists, acoustical engineers, and others interested in wave propagation through inhomogeneous elastic media.
Author : WU
Publisher : Birkhäuser
ISBN 13 : 3034863632
Total Pages : 192 pages
Book Rating : 4.0/5 (348 download)
Download or read book Scattering and Attenuation of Seismic Waves, Part II written by WU and published by Birkhäuser. This book was released on 2013-11-21 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reprint from Pure and Applied Geophysics (PAGEOPH), Volume 131 (1989), No. 4
Author : Haruo Sato
Publisher : Springer Science & Business Media
ISBN 13 : 3540896236
Total Pages : 308 pages
Book Rating : 4.5/5 (48 download)
Download or read book Seismic Wave Propagation and Scattering in the Heterogenous Earth written by Haruo Sato and published by Springer Science & Business Media. This book was released on 2008-12-17 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : AKI
Publisher : Birkhäuser
ISBN 13 : 3034877226
Total Pages : 443 pages
Book Rating : 4.0/5 (348 download)
Download or read book Scattering and Attenuations of Seismic Waves, Part I written by AKI and published by Birkhäuser. This book was released on 2013-12-18 with total page 443 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reprint from Pure and Applied Geophysics (PAGEOPH), Volume 128 (1988), No. 1/2
Author : M. N. Toksöz
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (227 download)
Download or read book Influence of Scattering on Seismic Waves written by M. N. Toksöz and published by . This book was released on 1988 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Work on this contract examined two subjects, the analysis of seismic data using the NORESS array in southern Norway and the attenuation properties of the crust. This document consists of two preprints. The first, 'Phase velocity estimation of diffusely scattered waves deals with work at NORESS which was partly carried out under a previous contract, partly in conjunction with the Lawrence Livermore National Laboratory and partly under this contract. The second paper, 'A model for attenuation and scattering in the earth's crust', describes work on attenuation. Keywords: Coda waves; Seismic array analysis; Phase velocity; Rayleigh waves. (EDC).
Author : Haruo Sato
Publisher : Academic Press
ISBN 13 : 0080880339
Total Pages : 497 pages
Book Rating : 4.0/5 (88 download)
Download or read book Advances in Geophysics written by Haruo Sato and published by Academic Press. This book was released on 2009-02-26 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seismic waves generated by earthquakes have been interpreted to provide us information about the Earth’s structure across a variety of scales. For short periods of less than 1 second, the envelope of seismograms changes significantly with increased travel distance and coda waves are excited by scattering due to randomly distributed heterogeneities in the Earth. Deterministic structures such as horizontally uniform velocity layer models in traditional seismology cannot explain these phenomena. This book focuses on the Earth heterogeneity and scattering effects on seismic waves. Topics covered are recent developments in wave theory and observation including: coda wave analysis for mapping medium heterogeneity and monitoring temporal variation of physical properties, radiation of short-period seismic waves from an earthquake fault, weak localization of seismic waves, attenuation of seismic waves in randomly porous media, synthesis of seismic wave envelopes in short periods, and laboratory investigations of ultrasonic wave propagation in rock samples. Understanding new methods for the analysis of short-period seismic waves to characterize the random heterogeneity of the Earth on many scales Observations of seismic wave scattering Discussion of techniques for mapping medium heterogeneity and for monitoring temporal change in medium characteristics Up-to-date techniques for the synthesis of wave envelopes in random media
Author : Edmund Reister
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (227 download)
Download or read book Influence of Scattering on Seismic Waves: Velocity and Attenuation of the Upper Crust in Southeast Maine written by Edmund Reister and published by . This book was released on 1988 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rg and Pg velocities and Rg attenuation have been examined for the Central Merrimack Synclinorium and nearby regions in southeastern Maine using digital records from a seismic refraction experiment. Determination of Rg group velocities and Pg travel times indicates that both lateral variations and azimuthal anisotropy are present in the study area. The axes of the axes of the azimuthal velocity anisotropy appear to lie along and perpendicular to the Appalachian structural strike in the region, with Rg group velocities along strike up to 20% faster than cross strike velocities. Measurement of Rg attenuation gives Q values of 25-80, varying with frequency. Inversion of the Rg group velocity for velocity structure shows that both the compressional and shear velocities increase rapidly with depth in the upper 1 km in the region. Keywords: Short period Rayleigh waves, Anisotropy, Earth crustal structure, Seismic wave attenuation, New England. (edc).
Author : Anton M. Dainty
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (227 download)
Download or read book Influence of Scattering on Seismic Waves written by Anton M. Dainty and published by . This book was released on 1986 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tests have been carried out to find sources of noise and velocity bias in a new array analysis method, the wavenumber spectrum, which has been used at NORESS to detect diffuse components of teleseismic coda. Noise problems have been analysed by using subarrays and identified as being due to loss of coherence between signals at sensors of given spacing as frequency increases. Velocity bias has been investigated using synthetic signals and concluded that the full array should be used in the frequency range 1-2.5 (Hz), the array less the outer ring for 2.5-5 Hz and the array less the two outer rings for 5-10 Hz, In addition, a preliminary report is given on the use of ultrasonic modeling to investigate coda. Keywords: Seismic arrays; Norway; Seismic spectra; Seismic noise; Frequency-wavenumber spectrum; Coherency.
Author : Keiiti Aki
Publisher : Birkhauser
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.3/5 (91 download)
Download or read book Scattering and Attenuation of Seismic Waves written by Keiiti Aki and published by Birkhauser. This book was released on 1989 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. N. Toksoez
Publisher :
ISBN 13 :
Total Pages : 59 pages
Book Rating : 4.:/5 (227 download)
Download or read book Influence of Scattering on Seismic Waves: Physical Mechanisms Contributing to Attenuation in the Crust written by M. N. Toksoez and published by . This book was released on 1987 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: The mechanisms contributing to the attenuation of earthquake ground motion in the distance range of 10 to 200 km are studied with the aid of laboratory data, coda waves and strong motion attenuation measurements in the northeastern United States and Canada and theoretical models. The relative contributions to attenuation of anelasticity of crustal rocks (constant Q), fluid flow and scattering are evaluated. Scattering is found to be strong with albedo of Bo - 0.9 and scattering extinction length of about 17 km. The intrinsic attenuation in the crust can be explained by a high constant Q (500
Author : D.E. James
Publisher : Springer Science & Business Media
ISBN 13 : 0442243669
Total Pages : 1299 pages
Book Rating : 4.4/5 (422 download)
Download or read book Encyclopedia of Solid Earth Geophysics written by D.E. James and published by Springer Science & Business Media. This book was released on 1989-11-30 with total page 1299 pages. Available in PDF, EPUB and Kindle. Book excerpt: Consisting of more than 150 articles written by leading experts, this authoritative reference encompasses the entire field of solid-earth geophysics. It describes in detail the state of current knowledge, including advanced instrumentation and techniques, and focuses on important areas of exploration geophysics. It also offers clear and complete coverage of seismology, geodesy, gravimetry, magnetotellurics and related areas in the adjacent disciplines of physics, geology, oceanography and space science.
Author : Ruben Vardanovich Amirbekian
Publisher :
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.:/5 (33 download)
Download or read book Effects of Seismic Wave Scattering in Strong Motion Seismology written by Ruben Vardanovich Amirbekian and published by . This book was released on 1995 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Helmut Erich Landsberg
Publisher :
ISBN 13 : 9780123745095
Total Pages : 476 pages
Book Rating : 4.7/5 (45 download)
Download or read book Advances in Geophysics written by Helmut Erich Landsberg and published by . This book was released on 2008 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brian Kennett
Publisher : ANU E Press
ISBN 13 : 192153673X
Total Pages : 298 pages
Book Rating : 4.9/5 (215 download)
Download or read book Seismic Wave Propagation in Stratified Media written by Brian Kennett and published by ANU E Press. This book was released on 2009-05-01 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seismic Wave Propagation in Stratified Media presents a systematic treatment of the interaction of seismic waves with Earth structure. The theoretical development is physically based and is closely tied to the nature of the seismograms observed across a wide range of distance scales - from a few kilometres as in shallow reflection work for geophysical prospecting, to many thousands of kilometres for major earthquakes. A unified framework is presented for all classes of seismic phenomena, for both body waves and surface waves. Since its first publication in 1983 this book has been an important resource for understanding the way in which seismic waves can be understood in terms of reflection and transmission properties of Earth models, and how complete theoretical seismograms can be calculated. The methods allow the development of specific approximations that allow concentration on different seismic arrivals and hence provide a direct tie to seismic observations.
Author :
Publisher :
ISBN 13 :
Total Pages : 476 pages
Book Rating : 4.:/5 (96 download)
Download or read book Earth Heterogeneity and Scattering Effects on Seismic Waves written by and published by . This book was released on 2008 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ping Sheng
Publisher : Springer Science & Business Media
ISBN 13 : 3540291563
Total Pages : 341 pages
Book Rating : 4.5/5 (42 download)
Download or read book Introduction to Wave Scattering, Localization and Mesoscopic Phenomena written by Ping Sheng and published by Springer Science & Business Media. This book was released on 2006-08-25 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: Waves represent an important topic of study in physics, mathematics, and engineering. This volume is a resource book for those interested in understanding the physics underlying nanotechnology and mesoscopic phenomena. It aims to bridge the gap between the textbooks and research frontiers in wave related topics.
