Upper Mantle Heterogeneities From Active And Passive Seismology
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Upper Mantle Heterogeneities from Active and Passive Seismology
Author | : K. Fuchs |
Publsiher | : Springer Science & Business Media |
Total Pages | : 365 |
Release | : 2013-03-14 |
Genre | : Science |
ISBN | : 9789401589796 |
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600 km giving insight into the 3D structure of the upper mantle. These data are confronted with the requirements of the CTBT for 3D regional seismic models of the lithosphere-asthenosphere system. The two primary purposes of the present work are, first, to present these seismic observations on super long-range profiles in digitised format, using peaceful nuclear explosions (PNE) in the former USSR, and, second, to present the joint thoughts of experts from the deep seismic sounding (DSS) and the comprehensive test ban treaty (CTBT) communities. Implications for petrological and other earth science disciplines are presented. Audience: The CTBT community and earth scientists interested in the 3D structure of the lithosphere-asthenosphere system.
Heterogeneity in the Crust and Upper Mantle
Author | : John A. Goff,Klaus Holliger |
Publsiher | : Springer Science & Business Media |
Total Pages | : 362 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9781461501039 |
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Most of our knowledge about the physical structure and the chemical composition of the Earth's deep interior is inferred from seismic data. The interpretation of seismic waves generally follows the assumption that the Earth's physical structure is grossly layered and that fluctuations of the physical parameters within individual layers are smooth in structure and small in magnitude. While this view greatly facilitates the analytic and interpretative procedure, it is clearly at odds with evidence from outcrops and boreholes, which indicates that compositional, structural and petrophysical heterogeneity in the Earth prevails over a wide range of scales. This book is the first to unify three different views of crustal and upper mantle heterogeneity. It brings together the geological view, which is derived from the analysis of crustal exposures and deep boreholes; the stochastic view, which attempts to find order and structure in these seemingly chaotic data; and the seismological view, which considers the end product of the complex interaction of seismic energy with the heterogeneous structure at depth. John Goff and Klaus Holliger have compiled chapters that explore and quantify the relationship between geological and petrophysical heterogeneity and its seismic response, and use seismic data to probe the fabric of the Earth's interior. Geologists, geostaticians, and geophysicists alike will benefit from the integrative perspective presented in Heterogeneity in the Crust and Upper Mantle: Nature, Scaling, and Seismic Properties, making this text an unparalleled reference for professionals and students in Earth science fields.
Seismic Exploration of the Deep Continental Crust
Author | : Dirk Gajewski,Wolfgang Rabbel |
Publsiher | : Birkhäuser |
Total Pages | : 371 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9783034886703 |
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DEKORP, the German continental reflection seismic program, was the major focus of deep seismic research in Germany in the 1980s and 1990s. The seismic sections provided fundamental new insight into deep geological structure of the European continent and the dynamics of continental formation. They formed the basis for worldwide comparative studies of orogenic structure. The complicated signature of the reflections from the deep crust indicated that new processing and interpretation techniques must be considered to better image the crystalline crust. Results of these efforts, including pre-stack migration, 3-D imaging, shear waves and seismic anisotropy, are presented in this special volume. In part, the articles open the perspective to new and future research. In part, they document research activity triggered by technical and interpretational questions raised by DEKORP field work and profiling results. Many of the presented methods can find immediate application in industrial seismic prospecting.
Q of the Earth Global Regional and Laboratory Studies
Author | : Barbara Romanowicz,Brian J. Mitchell |
Publsiher | : Birkhäuser |
Total Pages | : 490 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9783034887113 |
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Variations in seismic Q are sensitive to a much greater extent than are seismic velocity variations on factors such as temperature, fluid content, and the movement of solid state defects in the earth. For that reason an understanding of Q and its variation with position in the earth and with time should provide information in earth's tectonic evolution, as well as on aspects of its internal structure. Progress in understanding Q has suffered from difficulty in obtaining reliable amplitude data at global and temporary stations. Moreover, laboratory determinations of Q, until recently, were most often made at frequencies much higher than those measured by seismologists for waves propagating through the earth. Recent advances in seismic station distribution and quality, as well as in methodology at both high and low fequencies, have greatly improved the quality of observational data available to seismologists from global stations. Concurrent advances have been made in measuring Q using laboratory samples at frequencies that pertain to the earth and in theoretical understanding of seismic wave attenuation. Papers of this volume present new information on Q in the earth from several perspectives: methodology, results from global and regional observations of both body and surface waves, laboratory measurements, and theoretical understanding. The editors believe that we have reached a new threshold in Q studies and that advances in data quality and methodology will spur increased interest in this difficult, but interesting field.
Perspectives in Modern Seismology
Author | : Friedemann Wenzel |
Publsiher | : Springer Science & Business Media |
Total Pages | : 244 |
Release | : 2005-02-18 |
Genre | : Science |
ISBN | : 3540237127 |
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Lithosphere
Author | : Irina Artemieva |
Publsiher | : Cambridge University Press |
Total Pages | : 795 |
Release | : 2011-07-28 |
Genre | : Science |
ISBN | : 9780521843966 |
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Multidisciplinary overview of lithospheric structure and evolution, based on a full set of geophysical methods, for researchers and advanced students.
Mantle Plumes
Author | : Joachim R. R. Ritter,U.R. Christensen |
Publsiher | : Springer Science & Business Media |
Total Pages | : 502 |
Release | : 2007-04-27 |
Genre | : Science |
ISBN | : 9783540680468 |
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The concept of mantle plumes is a key to understanding intraplate volcanism in the framework of modern plate tectonics. Recent progress in instrumental, analytical and satellite technology enables scientists to verify the plume hypothesis with seismic tomography, isotope geochemistry and other sophisticated techniques. In this book, a group of experts review these advances in plume research and present a general overview on recent plume studies.
Active Geophysical Monitoring
Author | : Hitoshi Mikada,Michael S Zhdanov,Junzo Kasahara |
Publsiher | : Elsevier |
Total Pages | : 647 |
Release | : 2019-10-05 |
Genre | : Science |
ISBN | : 9780081027455 |
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Active Geophysical Monitoring, Second Edition, presents a key method for studying time-evolving structures and states in the tectonically active Earth's lithosphere. Based on repeated time-lapse observations and interpretation of rock-induced changes in geophysical fields periodically excited by controlled sources, active geophysical monitoring can be applied to a variety of fields in geophysics, from exploration, to seismology and disaster mitigation. This revised edition presents the results of strategic systematic development and the application of new technologies. It demonstrates the impact of active monitoring on solid Earth geophysics, also delving into key topics, such as carbon capture and storage, geodesy, and new technological tools. This book is an essential for graduate students, researchers and practitioners across geophysics. Outlines the general concepts of active geophysical monitoring with powerful seismic vibrators and MHD generators Provides historical background for previous studies of seismically active zones Covers the theory and technology of active monitoring, including signal processing, data analysis, novel approaches to numerical modeling, and interpretation Discusses case histories and presents the results of worldwide, regional active monitoring experiments Thoroughly updated to include recent developments, such as updates relating to carbon capture and storage, microgravity, InSAR technologies, geodesy, reservoir monitoring, seismic reflection, and more