Scattering And Attenuation Of Seismic Waves
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Scattering And Attenuation Of Seismic Waves Part Ii
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Author : WU
language : en
Publisher: Birkhäuser
Release Date : 2013-11-21
Scattering And Attenuation Of Seismic Waves Part Ii written by WU and has been published by Birkhäuser this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-21 with Science categories.
Reprint from Pure and Applied Geophysics (PAGEOPH), Volume 131 (1989), No. 4
Scattering And Attenuation Of Seismic Waves
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Author :
language : en
Publisher:
Release Date : 1988
Scattering And Attenuation Of Seismic Waves written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.
Seismic Wave Propagation And Scattering In The Heterogenous Earth
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Author : Haruo Sato
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-12-17
Seismic Wave Propagation And Scattering In The Heterogenous Earth written by Haruo Sato and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-12-17 with Science categories.
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.
Scattering And Attenuation Of Seismic Waves
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Author : Keiiti Aki
language : en
Publisher:
Release Date : 1988
Scattering And Attenuation Of Seismic Waves written by Keiiti Aki and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Elastic waves categories.
Scattering And Attenuations Of Seismic Waves Part I
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Author : AKI
language : en
Publisher: Birkhäuser
Release Date : 2013-12-18
Scattering And Attenuations Of Seismic Waves Part I written by AKI and has been published by Birkhäuser this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-18 with Science categories.
Reprint from Pure and Applied Geophysics (PAGEOPH), Volume 128 (1988), No. 1/2
Seismic Wave Propagation And Scattering In The Heterogeneous Earth Second Edition
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Author : Haruo Sato
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-03-08
Seismic Wave Propagation And Scattering In The Heterogeneous Earth Second Edition written by Haruo Sato and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-03-08 with Science categories.
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.
Advances In Geophysics
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Author : Haruo Sato
language : en
Publisher: Academic Press
Release Date : 2009-02-26
Advances In Geophysics written by Haruo Sato and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-02-26 with Science categories.
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
Collection And Analysis Of Seismic Wave Propagation Data
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Author : David E. Willis
language : en
Publisher:
Release Date : 1966
Collection And Analysis Of Seismic Wave Propagation Data written by David E. Willis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Seismic waves categories.
The report summarizes one year of theoretical and applied research on propagation of seismic waves and techniques for analyzing data. The main objectives were to determine the frequency and energy of seismic signatures, and investigate attenuation, patterns of azimuthal radiation from source regions, and methods of determining the type of motion at the source. Natural and artificial sources were studied to develop diagnostic aids for distinguishing between earthquakes and underground nuclear detonations. Equipment for selection, reformatting, and digital-to-analog conversion for digitally recorded LASA data was constructed and is being checked out. Several approaches for using the parallel computational capabilities of optics for LASA data were developed. A study of background noise and reciprocity for teleseismic events as recorded on the bottom of a large fresh water lake has commenced with the emplacement of three-component seismometers in Lake Superior. Array data have been used for crustal studies on the Eastern United States. Digital mode filtering was investigated. A perturbation theory for seismic sources was developed. (Author).
Seismic Wave Attenuation
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Author : M. N. Toksöz
language : en
Publisher:
Release Date : 1981
Seismic Wave Attenuation written by M. N. Toksöz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Science categories.
"We have undertaken the editing of this volume to help the broad-range research effort gain a better understanding of attenuation and its applications to seismic exploration problems... We have emphasized the material most relevant to exploration geophysics. As a result, most of the papers compiled here deal with sedimentary rocks, the effects of fluids, and the pressure ranges encountered in shalow crustal layers."--Preface.
Collection And Analysis Of Seismic Wave Propagation Data
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Author :
language : en
Publisher:
Release Date : 1968
Collection And Analysis Of Seismic Wave Propagation Data written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with categories.
The report discusses the results of an extensive long-range reversed refraction profile which traverses the Michigan Basin and the Appalachian Mountains. Particular emphasis is placed on the attenuation of first compressional wave arrivals and on crustal-upper mantle structure. Also included are results of a survey on lake bottom seismic background noise in Lake Superior. Although large signal levels were obtained in the lake bottom, long periods of high background noise indicated that land based seismographs are superior. Theoretical studies in elastic wave scattering were made to evaluate the effect of nonhomogeneities on the propagation of elastic waves. Theoretical development of mode filtering (previously demonstrated empirically), is nearly completed. A LASA digital data convertor was designed, constructed, and put into operation. Two- and three-dimensional seismic ray-tracing techniques using digital modeling were developed. These techniques enable the seismologist to determine the effects of lateral inhomogeneities and irregularities in velocity interfaces on travel time and attenuation of seismic waves. (Author).