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Anelastic Properties Of The Earth
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Book Synopsis Anelastic Properties of the Earth by : Robert B. Gordon
Download or read book Anelastic Properties of the Earth written by Robert B. Gordon and published by . This book was released on 1966 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: Known mechanisms of internal friction in crystalline materials are examined to find which are likely sources of seismic attenuation in the earth's mantle. Presently available laboratory data on rocks are not useful for this purpose because of the low temperatures and pressures at which they have been determined but experiments on sintered oxides indicate the important damping mechanisms at high temperature. The sorces of seismic attenuation in the order of their probable importance are viscous grain boundary damping, stress-induced ordering, and dislocation damping. If any parts of the mantle are partially melted, stress-induced flow of fluid through intergranular channels may also cause attenuation. These damping mechanisms characteristically result in internal friction showing a strong frequency dependence. Scattering is almost certainly not an important source of seismic attenuation. The variation with depth of internal friction due to a thermally activated relaxation mechanism is found and it is shown that such a source of internal friction can account for existing data on the anelasticity of the earth. The low attenuation observed at depths below about 500 km can result from the effect of pressure in decreasing atomic mobility; the observed attenuation decrease is therefore not in itself evidence of a phase change. The relation between damping and the strength of the mantle is developed and it is shown that seismic attenuation data do not put useful bounds on this quantity. (Author).
Book Synopsis The Earth's Core by : John A. Jacobs
Download or read book The Earth's Core written by John A. Jacobs and published by Academic Press. This book was released on 1987-04-29 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Earth's Core, Second Edition is a six-chapter book that begins with the general physical properties of the Earth, with emphasis on the core-mantle boundary. This edition discusses the accretion mechanism, heat sources in the early Earth, time of core formation, thermal regime of the Earth, melting-point depth curves, and thermal consequences of iron-alloy core. Subsequent chapters focus on reversals of the Earth's magnetic field; the energetics and the constitution of the Earth's core; and the cores of the Moon and other planets. The role of the Earth's core is vital to the understanding of many geophysical phenomena. It is the seat of the Earth's magnetic field and is responsible as well to some variations in the length of the day.
Book Synopsis Anelasticity in the Earth by : Frank D. Stacey
Download or read book Anelasticity in the Earth written by Frank D. Stacey and published by American Geophysical Union. This book was released on 1981 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Geodynamics Series, Volume 4. The fact that the materials in the solid parts of the Earth depart from perfectly elastic behaviour is now central to fundamental geophysical studies. Slow deformation (creep) by the processes of mantle convection has been widely recognised for about 25 years; it has been realised for much longer that seismic waves are attenuated but more recently there has developed a general if vague awareness of a probable correlation between high attenuation and low resistance to creep and in the last few years seismic attenuation has received much greater attention because it implies a first order dispersion of body waves (frequency dependence of elasticity).
Book Synopsis Seismology and Structure of the Earth by : Barbara Romanowicz
Download or read book Seismology and Structure of the Earth written by Barbara Romanowicz and published by Elsevier. This book was released on 2010-04-20 with total page 873 pages. Available in PDF, EPUB and Kindle. Book excerpt: Treatise on Geophysics: Seismology and Structure of the Earth, Volume 1, provides a comprehensive review of the state of knowledge on the Earths structure and earthquakes. It addresses various aspects of structural seismology and its applications to other fields of Earth sciences. The book is organized into four parts. The first part principally covers theoretical developments and seismic data analysis techniques from the end of the nineteenth century until the present, with the main emphasis on the development of instrumentation and its deployment. The second part reviews the status of knowledge on the structure of the Earths shallow layers, starting with a global review of the Earth's crustal structure. The third part focuses on the Earth's deep structure, divided into its main units: the upper mantle, the transition zone and upper-mantle discontinuities, the D region at the base of the mantle, and the Earth's core. The fourth part comprises two chapters which discuss constraints on Earth structure from fields other than seismology: mineral physics and geodynamics. - Self-contained volume starts with an overview of the subject then explores each topic with in depth detail - Extensive reference lists and cross references with other volumes to facilitate further research - Full-color figures and tables support the text and aid in understanding - Content suited for both the expert and non-expert
Book Synopsis Global Dynamics of the Earth: Applications of Viscoelastic Relaxation Theory to Solid-Earth and Planetary Geophysics by : Roberto Sabadini
Download or read book Global Dynamics of the Earth: Applications of Viscoelastic Relaxation Theory to Solid-Earth and Planetary Geophysics written by Roberto Sabadini and published by Springer. This book was released on 2016-05-27 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume opens up new perspectives on the physics of the Earth’s interior and planetary bodies for graduate students and researchers working in the fields of geophysics, planetary sciences and geodesy. It looks at our planet in an integrated fashion, linking the physics of its interior to geophysical and geodetic techniques that record, over a broad spectrum of spatial wavelengths and time scales, the ongoing modifications in the shape and gravity field of the planet. Basic issues related to the rheological properties of the Earth and to its slow deformation are considered, in both mathematical and physical terms, within the framework of an analytical relaxation theory. Fundamentals of this theory are developed in the first two Chapters. Chapters 3-9 deal with a wide range of applications, ranging from changes in the Earth’s rotation to post-seismic deformation and from sea-level variations induced by post-glacial rebound to tidal deformation of icy moons of the Solar System. This Second Edition improves substantially our formalism implementing compressibility in viscoelastic relaxation. Chapter 5 now contains new developments in the physics of the gravitational effects of large earthquakes at subduction zones, made possible by new gravity data from space missions. The new Chapter 9 of this Second Edition on deformation and stresses of icy moons enlarges the applications of the book to Planetology, dealing with the additional complications in the theory of viscoelastic relaxation introduced by the shallow low-viscosity zones and inviscid water layers of the moons of Jupiter and Saturn.
Book Synopsis Encyclopedia of Solid Earth Geophysics by : Harsh Gupta
Download or read book Encyclopedia of Solid Earth Geophysics written by Harsh Gupta and published by Springer Science & Business Media. This book was released on 2011-06-29 with total page 1579 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past few decades have witnessed the growth of the Earth Sciences in the pursuit of knowledge and understanding of the planet that we live on. This development addresses the challenging endeavor to enrich human lives with the bounties of Nature as well as to preserve the planet for the generations to come. Solid Earth Geophysics aspires to define and quantify the internal structure and processes of the Earth in terms of the principles of physics and forms the intrinsic framework, which other allied disciplines utilize for more specific investigations. The first edition of the Encyclopedia of Solid Earth Geophysics was published in 1989 by Van Nostrand Reinhold publishing company. More than two decades later, this new volume, edited by Prof. Harsh K. Gupta, represents a thoroughly revised and expanded reference work. It brings together more than 200 articles covering established and new concepts of Geophysics across the various sub-disciplines such as Gravity, Geodesy, Geomagnetism, Seismology, Seismics, Deep Earth Processes, Plate Tectonics, Thermal Domains, Computational Methods, etc. in a systematic and consistent format and standard. It is an authoritative and current reference source with extraordinary width of scope. It draws its unique strength from the expert contributions of editors and authors across the globe. It is designed to serve as a valuable and cherished source of information for current and future generations of professionals.
Book Synopsis The Earth's Free Oscillations by : Gordon J. F. MacDonald
Download or read book The Earth's Free Oscillations written by Gordon J. F. MacDonald and published by . This book was released on 1962 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Report written by and published by . This book was released on 1963 with total page 820 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Three-dimensional Anelastic Structure of Earth by : Joydeep Bhattacharyya
Download or read book Three-dimensional Anelastic Structure of Earth written by Joydeep Bhattacharyya and published by . This book was released on 1996 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rheological and Seismic Properties of Solid-Melt Systems by : Su-Ying Chien
Download or read book Rheological and Seismic Properties of Solid-Melt Systems written by Su-Ying Chien and published by Springer Science & Business Media. This book was released on 2013-11-25 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our understanding of the rheological and seismic properties of the Earth’s interior relies on interpreting geophysical observations using mineral physics data. The complexity of natural materials complicates these interpretations, but here the key features of such materials in controlling the attenuation of seismic waves are determined by a set of careful experiments. This thesis clearly explains how dynamic mechanical spectroscopy has been used to determine the visco-elastic properties of igneous and sedimentary rocks containing geological fluids. These experiments highlight, for the first time, the importance of mineral and rock microstructures as controls on geophysical properties of solids, particularly near the melting point. The results have impacts in areas ranging from volcanic processes, through the structure of the deep Earth, to fluid-saturated porous media.
Download or read book NASA Technical Note written by and published by . This book was released on 1962 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Structure and Strength of the Inner Planets by : Gordon James MacDonald
Download or read book The Structure and Strength of the Inner Planets written by Gordon James MacDonald and published by . This book was released on 1963 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Internal structure and strength of Moon, Mars, Venus, and Mercury.
Author :Eulogio Pardo-Igúzquiza Publisher :Springer Science & Business Media ISBN 13 :3642324088 Total Pages :847 pages Book Rating :4.6/5 (423 download)
Book Synopsis Mathematics of Planet Earth by : Eulogio Pardo-Igúzquiza
Download or read book Mathematics of Planet Earth written by Eulogio Pardo-Igúzquiza and published by Springer Science & Business Media. This book was released on 2013-10-07 with total page 847 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is widely recognized that the degree of development of a science is given by the transition from a mainly descriptive stage to a more quantitative stage. In this transition, qualitative interpretations (conceptual models) are complemented with quantification (numerical models, both, deterministic and stochastic). This has been the main task of mathematical geoscientists during the last forty years - to establish new frontiers and new challenges in the study and understanding of the natural world. Mathematics of Planet Earth comprises the proceedings of the International Association for Mathematical Geosciences Conference (IAMG2013), held in Madrid from September 2-6, 2013. The Conference addresses researchers, professionals and students. The proceedings contain more than 150 original contributions and give a multidisciplinary vision of mathematical geosciences.
Book Synopsis Publications of Goddard Space Flight Center by : Goddard Space Flight Center
Download or read book Publications of Goddard Space Flight Center written by Goddard Space Flight Center and published by . This book was released on with total page 1682 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Geological Survey Circular by :
Download or read book U.S. Geological Survey Circular written by and published by . This book was released on 1984 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Seismic System Science Plan by : Geological Survey (U.S.)
Download or read book National Seismic System Science Plan written by Geological Survey (U.S.) and published by . This book was released on 1989 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High-pressure Research by : Yasuhiko Syono
Download or read book High-pressure Research written by Yasuhiko Syono and published by American Geophysical Union. This book was released on 1992 with total page 501 pages. Available in PDF, EPUB and Kindle. Book excerpt:
