Seismic Waves In Laterally Inhomogeneous Media Vi
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Seismic Waves In Laterally Inhomogeneous Media Vi
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Author : Ivan Pšenčík
language : en
Publisher:
Release Date : 2006
Seismic Waves In Laterally Inhomogeneous Media Vi written by Ivan Pšenčík and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Seismic Waves In Laterally Inhomogeneous Media
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Author : Ivan Psencik
language : en
Publisher: Springer Science & Business Media
Release Date : 2002-08-01
Seismic Waves In Laterally Inhomogeneous Media written by Ivan Psencik 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 2002-08-01 with Science categories.
This special issue contains contributions presented at the international workshop Seismic Waves in Laterally Inhomogeneous Media V, which was held at the Castle of Zahrádky, Czech Republic, June 5 - 9, 2000. The workshop, which was attended by about 60 seismologists from 16 countries, was devoted mainly to the current state of theoretical and computational means of study of seismic wave propagation in complex structures. The special issue begins with papers dealing with the study and the application of the ray methods. Problems such as coupling of quasi-shear waves or smoothing of models for effective ray computations are dealt with. Applications of the ray methods in seismic exploration are presented. Further, directional wavefield decomposition, phase space, path integral and parabolic equation methods are discussed. Attention is also devoted to attenuation and scattering problems, and to seismic inversion problems.
Seismic Surface Waves In A Laterally Inhomogeneous Earth
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Author : V.I. Keilis-Borok
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Seismic Surface Waves In A Laterally Inhomogeneous Earth written by V.I. Keilis-Borok 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 2012-12-06 with Science categories.
Surface waves form the longest and strongest portion of a seismic record excited by explosions and shallow earthquakes. Traversing areas with diverse geologic structures, they 'absorb' information on the properties of these areas which is best retlected in dispersion, the dependence of velocity on frequency. The other prop erties of these waves - polarization, frequency content, attenuation, azimuthal variation of the amplitude and phase - arc also controlled by the medium between the source and the recording station; some of these are affected by the properties of the source itself and by the conditions around it. In recent years surface wave seismology has become an indispensable part of seismological practice. The maximum amplitude in the surface wave train of virtually every earthquake or major explosion is being measured and used by all national and international seismological surveys in the determination of the most important energy parameter of a seismic source, namely, the magnitude M,. The relationship between M, and the body wave magnitude fI1t, is routinely employed in identification of underground nuclear explosions. Surface waves of hundreds of earthquakes recorded every year are being analysed to estimate the seismic moment tensor of earthquake sources, to determine the periods of free oscillations of the Earth, to construct regional dispersion curves from which in turn the crustal and upper mantle structure in various areas is derived, and to evaluate the dissipative parameters of the mantle material.
Seismic Wave Propagation In The Earth
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Author : A. Hanyga
language : en
Publisher: Elsevier
Release Date : 2016-07-29
Seismic Wave Propagation In The Earth written by A. Hanyga and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-07-29 with Science categories.
This volume contains an extensive presentation of the theory, phenomenology and interpretation of seismic waves produced by natural and artificial sources. Each theoretical topic discussed in the book is presented in a self-contained and mathematically rigorous form, yet without excessive demands on the reader's mathematical background. It is the only book to include such a complete presentation of the mathematical background and modern developments of the WKBJ theory of seismic waves, and detailed discussions of its wide ranging applications. The book will therefore be useful to postgraduate students and research workers specialising in seismic wave theory, theoretical seismology, electromagnetic wave theory and other fields of wave propagation theory.
Edge And Tip Diffractions
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Author : Kamill Davydovich Klem-Musatov
language : en
Publisher: SEG Books
Release Date : 2008
Edge And Tip Diffractions written by Kamill Davydovich Klem-Musatov and has been published by SEG Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Science categories.
Seismic diffractions are inevitable, and the edge and tip wave theory of diffractions provides a physically sound and mathematically consistent method of computing diffraction phenomena in realistic geologic models. In this book, theoretical derivations are followed by their numerical implementation and application to real exploration problems.
Proceedings Workshop On Seismic Propagation In Shallow Water 6 7 July 1978 Washington D C
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Author :
language : en
Publisher:
Release Date : 1979
Proceedings Workshop On Seismic Propagation In Shallow Water 6 7 July 1978 Washington D C written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Seismic waves categories.
Seismic Coal Exploration
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Author : L. Dresen
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Seismic Coal Exploration written by L. Dresen and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.
The efficient mining of hard coal in deep coal mines using highly mechanized longwall techniques requires information on the geological structure ahead of the operating face. Even minor tectonic faults with throws of only a few metres mean a loss in productivity, as they present severe working problems for underground mining equipment. Because investment costs to install a mechanized face are high, "insurance" in the form of spare capacity by both machine shifts or spare faces is uneconomic. Thus, to reduce mining costs it is essential to delineate the geology prior to mining. Today, the only effective geophysical tool to detect and to map minor faults in front of the coal cutter is in-seam seismics using channel, or so called seam waves. The techniques are well established and successfully applied for more than two decades.In-Seam Seismics covers the entire range of elementary and advanced topics in mathematics, physics and data processing of dispersive channel waves. The results of analogue and numerical modelling provide a thorough understanding of transmission, reflection, recording and interpretation of seam waves and coal seam disturbances. Fire damp proof instrumentation, target orientated underground layouts, processing and interpretation of real data impart the state-of-the-art of in-seam seismics. Selected and well-rounded case histories complete the presentation of in-seam seismics. They can help the mining engineer to come to a decision to plan and to apply in-seam seismics in case of underground mining problems.A clear text, only formulae which are necessary, many carefully designed figures, an extended list of references and a lucid index make it easy for the reader to get acquainted with seam waves or to promote the technique of in-seam seismics.
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 Social Science categories.
Reprint from Pure and Applied Geophysics (PAGEOPH), Volume 128 (1988), No. 1/2
Surface Waves In Geomechanics Direct And Inverse Modelling For Soils And Rocks
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Author : Carlo G. Lai
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-03-23
Surface Waves In Geomechanics Direct And Inverse Modelling For Soils And Rocks written by Carlo G. Lai 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 2007-03-23 with Science categories.
Theories of surface waves develop since the end of XIX century and many fundamental problems like existence, phase and group velocities, attenuation (quality factor), mode conversion, etc. have been, in part successfully, solved within the framework of such simple models as ideal fluids^ or linear elasticity. However, a sufficiently complete presentation of this subject, particularly for solids, is still missing in the literature. The sole exception is the book of I. A. Viktorov^ which contains an extensive discussion of fundamental properties of surface waves in homogeneous and stratified linear elastic solids with particular emphasis on contributions of Russian scientists. Unfortunately, the book has never been translated to English and its Russian version is also hardly available. Practical applications of surface waves develop intensively since a much shorter period of time than theories even though the motivation of discoverers of surface waves such as Lord Rayleigh stems from their appearance in geophysics and seismology. Nowadays the growing interest in practical applications of surface waves stem from the following two main factors: surface waves are ideal for developing relatively cheap and convenient methods of nondestructive testing of various systems spanning from nanomaterials (e.g.
Wave Processes In Classical And New Solids
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Author : Pasquale Giovine
language : en
Publisher: BoD – Books on Demand
Release Date : 2012-10-24
Wave Processes In Classical And New Solids written by Pasquale Giovine and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-24 with Science categories.
Wave propagation in solids has been widely studied and principal advances in this field have been achieved not only for the improvements of calculus methods, but also for the high progresses attained in the description of new types of materials. This book presents innovative and original research studies describing some enhancement in both directions. In particular, the first section is devoted to the propagation of waves in complex materials and related dispersion relations are deeply investigated. Instead the second section is dedicated to new applications for the study of wave processes in classical solids; the emphasis is posed on various simulation availabilities in the fields of seismology, damaging, geomaterials and multi-wave propagation. The audience includes students, engineers and advanced scientists with knowledge of wave propagation in solids.