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Author : Deane Oberste-Lehn
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.M/5 ( download)
Download or read book Gravitational Fields of Earth Models and the Structure of the Earth's Interior written by Deane Oberste-Lehn and published by . This book was released on 1963 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Veronique Dehant
Publisher : Springer
ISBN 13 : 9783031392818
Total Pages : 0 pages
Book Rating : 4.3/5 (928 download)
Download or read book Probing Earth’s Deep Interior using Space Observations Synergistically written by Veronique Dehant and published by Springer. This book was released on 2023-09-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the recent decades, space missions (e.g., CHAMP, GOCE, GRACE and Swarm) have been developed by space agencies in Europe and the USA to measure the Earth’s gravity and magnetic fields and their spatio-temporal variations. These successful missions have already provided a wealth of groundbreaking results about the permanent and time-variable gravity and magnetic fields of the Earth. However, more can be learned about the Earth’s structure by combining data of the gravity and magnetic fields, together with Earth’s rotation data routinely measured using space geodesy techniques, as well as with the most up-to-date modelling of the Earth's internal structure. Use in synergy of these global observables and model data represents a unique way to further investigate the physics of the deep Earth's interior. In addition to the well-known correlation between Earth’s rotation and magnetic field observed at interannual and decadal time scales, recent studies have reported unexpected correlation between spatio-temporal changes of the gravity field and magnetic field, also at interannual time scale. These changes may result from processes occurring in the liquid core and at the core-mantle boundary. This book gathers a series of chapters that provide state-of-the art overviews on the gravity field, magnetic field and Earth’s rotation observations, and on their interpretation in terms of the deep Earth’s structure, as well as on core dynamics and processes at the core-mantle boundary. The chapters 'Gravity Variations and Ground Deformations Resulting from Core Dynamics', 'Rapid Variations of Earth’s Core Magnetic Field', 'A Dynamical Prospective on Interannual Geomagnetic Field Changes', 'Core Eigenmodes and their Impact on the Earth’s Rotation', 'Earth’s Rotation: Observations and Relation to Deep Interior', 'Interiors of Earth-Like Planets and Satellites of the Solar System', 'Correction to: Interiors of Earth-like planets and satellites of the Solar System', 'Fluid Dynamics Experiments for Planetary Interiors', 'Structure, Materials and Processes in the Earth’s Core and Mantle', 'Correction to: Structure, Materials and Processes in the Earth’s Core and Mantle' and 'Applications and Challenges of GRACE and GRACE Follow-On Satellite Gravimetry' are available open access under a Creative Commons Attribution 4.0 International License via link.springer.com. Previously published in Surveys in Geophysics, Volume 43, Issue 1, 2022
Author : Deane Oberste-Lehn
Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (227 download)
Download or read book Some Implications of the Earth's Gravitational Field for the Internal Structure of the Earth written by Deane Oberste-Lehn and published by . This book was released on 1962 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: The configuration of the earth's potential field was determined from the orbits of near-earth satellites. This potential can be represented by a series expansion in spherical harmonics. The values of certain coefficients (J sub n) for terms in this series have been calculated. The J2 coefficient reflects the oblateness of the earth; the cause of the J3 coefficient was not established. The potential field can be expressed by surface gravity anomalies resulting from inhomogeneities in mass distribution within a body. Such differences in mass distribution exist between oceanic and continental areas within the crust and upper mantle over large areas of the earth's surface. Results are presented of an investigation of the gravitational fields of earth models performed to determine the nature of gravity anomalies to be expected from oceanic and continental areas. Using conventional crustal structure, the earth-model results indicate that a surface anomaly exists which is positive over continental blocks, and that its magnitude increases with increase in the assumed depth to isostatic compensation and with increase in positive topographic relief. Application of the earth-model anomaly to the actual distribution of continents and oceans results in a calculated value for the gravitational anomaly which is of the same order of magnitude as, but of opposite sign to, that derived from satellite orbits. Conditions that might reconcile this discrepancy are presented. (Author).
Author : Vladimir Naumovich Zharkov
Publisher : CRC Press
ISBN 13 : 9783718600670
Total Pages : 638 pages
Book Rating : 4.6/5 (6 download)
Download or read book Interior Structure of the Earth and Planets written by Vladimir Naumovich Zharkov and published by CRC Press. This book was released on 1986 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text provides a solid introduction to advanced geophysics. Part I focuses on the interior structure of the earth, featuring a large section on plate tectonics and discussing such problems as the source mechanisms of earthquakes, tides, the rheology of the crust and mantle and the evolution of the lunar orbit. Part II focuses on the interior structure of the moon, the giant planets and the structure of the Galilean satellites of Jupiter and Titan and the icy satellites of Saturn.
Author : G. D. Garland
Publisher : Elsevier
ISBN 13 : 1483180727
Total Pages : 192 pages
Book Rating : 4.4/5 (831 download)
Download or read book The Earth's Shape and Gravity written by G. D. Garland and published by Elsevier. This book was released on 2016-01-26 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Earth's Shape and Gravity focuses on the progress of the use of geophysical methods in investigating the interior of the earth and its shape. The publication first offers information on gravity, geophysics, geodesy, and geology and gravity measurements. Discussions focus on gravity measurements and reductions, potential and equipotential surfaces, absolute and relative measurements, and gravity networks. The text then elaborates on the shape of the sea-level surface and reduction of gravity observations. The text takes a look at gravity anomalies and structures in the earth's crust; interpretation of gravity anomalies; and gravity anomalies and the interior of the earth. Topics include general principle; direct and indirect methods; low order harmonics in the gravitational field; rock densities; ocean trenches; and sedimentary basins. The book then examines the place of gravity measurements in geophysical prospecting and tidal variations of gravity. The manuscript is a dependable source of information for readers interested in the shape and gravity of the earth.
Author : Jean-Paul Poirier
Publisher : Cambridge University Press
ISBN 13 : 9780521663922
Total Pages : 336 pages
Book Rating : 4.6/5 (639 download)
Download or read book Introduction to the Physics of the Earth's Interior written by Jean-Paul Poirier and published by Cambridge University Press. This book was released on 2000-03-02 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to the Physics of the Earth's Interior describes the structure, composition and temperature of the deep Earth in one comprehensive volume. This new edition of a successful textbook has been enlarged and fully updated, taking into account the considerable experimental and theoretical progress recently made in understanding the inner structure of the Earth. Like the first edition, this will be a useful textbook for graduate and advanced undergraduate students in geophysics and mineralogy. It will also be of great value to researchers in earth sciences, physics and materials sciences.
Author : D. E. Smylie
Publisher : American Geophysical Union
ISBN 13 : 0875904505
Total Pages : 133 pages
Book Rating : 4.8/5 (759 download)
Download or read book Structure and Dynamics of Earth's Deep Interior written by D. E. Smylie and published by American Geophysical Union. This book was released on 1988 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers from: All Union Symposium U2 on 'Instability within the Earth and core Dynamics' held on August 20-21 1987 in Vancouver.
Author : J. Leliwa-Kopystynski
Publisher : Elsevier
ISBN 13 : 1483291855
Total Pages : 381 pages
Book Rating : 4.4/5 (832 download)
Download or read book Constitution of the Earth's Interior written by J. Leliwa-Kopystynski and published by Elsevier. This book was released on 2016-07-29 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: Constitution of the Earth's Interior discusses the physical and evolutionary principles connecting various elements of the knowledge about structure and dynamics of the Earth's interior. This work is divided into eight chapters that primarily focus on the physical, chemical, and petrological state. This text contains general data on a general stationary model, which is described by equations of state combining the basic parameters, including pressure, temperature, density, gravity acceleration, and mineral composition within the Earth's interior. Considerable chapters concern the chemical and petrological composition of the matter in the Earth's interior. The remaining chapters describe models containing inhomogeneities used to illustrate processes connected with phase transitions. This book will be of great value to geologists, physicists, and researchers.
Author : Beno Gutenberg
Publisher : Elsevier
ISBN 13 : 1483282120
Total Pages : 253 pages
Book Rating : 4.4/5 (832 download)
Download or read book Physics of the Earth's Interior written by Beno Gutenberg and published by Elsevier. This book was released on 2016-06-04 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: Physics of the Earth's Interior embraces such a wide range of properties and processes that the space available in one volume imposes severe limitations on their discussion. Moreover, the uneven familiarity of any geophysicist with the many fields of natural science which are involved favors their uneven treatment. For these reasons, the author has limited discussions related to gravity, terrestrial magnetism, tectonic processes, and the history of the earth, to such problems which, if solved, may give information on the earth's interior. On the other hand, seismological investigations are discussed only insofar as they bear upon the structure of the earth and the physics of its interior; seismology is to be treated in detail in another monograph of this series. The book contains nine chapters and begins with a discussion of methods of investigating the earth's interior, and the accuracy of the results. This is followed by separate chapters on the structure of the earth; the crust, mantle, and core; temperature and thermal processes in the earth; density, pressure, gravity, and flattening in the earth; elastic constants, and elastic processes; and nonelastic processes in the earth.
Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
ISBN 13 : 0309492432
Total Pages : 29 pages
Book Rating : 4.3/5 (94 download)
Download or read book Thriving on Our Changing Planet: A Decadal Strategy for Earth Observation from Space written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2019-06-18 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: We live on a dynamic Earth shaped by both natural processes and the impacts of humans on their environment. It is in our collective interest to observe and understand our planet, and to predict future behavior to the extent possible, in order to effectively manage resources, successfully respond to threats from natural and human-induced environmental change, and capitalize on the opportunities â€" social, economic, security, and more â€" that such knowledge can bring. By continuously monitoring and exploring Earth, developing a deep understanding of its evolving behavior, and characterizing the processes that shape and reshape the environment in which we live, we not only advance knowledge and basic discovery about our planet, but we further develop the foundation upon which benefits to society are built. Thriving on Our Changing Planet: A Decadal Strategy for Earth Observation from Space (National Academies Press, 2018) provides detailed guidance on how relevant federal agencies can ensure that the United States receives the maximum benefit from its investments in Earth observations from space, while operating within realistic cost constraints. This short booklet, designed to be accessible to the general public, provides a summary of the key ideas and recommendations from the full decadal survey report.
Author : K. E. Bullen
Publisher : Springer Science & Business Media
ISBN 13 : 9400957009
Total Pages : 432 pages
Book Rating : 4.4/5 (9 download)
Download or read book The Earth’s Density written by K. E. Bullen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book attempts to draw together the various strands of evidence that have led to present knowledge of the distribution of density throughout the interior of the Earth. Details are also given of other properties with which the density is closely linked, including pressure, compressibility and compression, rigidity, seismic velocities, Poisson's ratio and gravitational intensity. Questions of thermodynamics and chemical composition and phase enter discussions where they bear more or less sharply on the density determination; but the book does not purport to be a comprehensive text on the Earth's internal tem perature distribution and composition. The density distributions of other planets are discussed. The quest for clues on the Earth's internal densities has long been an exciting one, and an aim of the book is to present a developing story which has fascinated the author over much of his worl(ing life. The early chapters refer to key developments from ancient times to around 1930. The later chapters recount, in greater detail, develop ments since 1930. The stage has now been reached where numerous published papers bearing on the Earth's density seem to do little more than fidget around the resolving power of long accumulated observational data. So the present seems an appropriate time to try to put some perspec tive into the story. Of course, the story will never be quite finished: in describing the interior of the Earth, there will always be extra decimal places to add as further significant evidence arises.
Author : Milan Bursa
Publisher : Springer Science & Business Media
ISBN 13 : 3642520618
Total Pages : 339 pages
Book Rating : 4.6/5 (425 download)
Download or read book Gravity Field and Dynamics of the Earth written by Milan Bursa and published by Springer Science & Business Media. This book was released on 2013-12-01 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the Czech edition was published four years ago, the authors have revised the original text tobring it up to date. During these four years, thanks to satellite altimetry the accuracy of the global descrip tion of the gravity field (model GEM-T2), of the fundamental astro geodetic constants, of the principal moments of inertia of the Earth and, in particular, of their differences, of the precession constant, and of a number of other dynamical parameters of the Earth have been improved. The authors have included most of these improvements in the revised English edition. They have, of course, also made factual, formal and other corrections and have modified some of the figures. Additions to the index and references have also been made. Praha, Czech Republic M. BuRSA and K. PF:c August 1993 Contents Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fundamentals of Determining the Parameters 1 Defining the Earth's Gravitational Field by Satellite Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1. 1 Satellite Equations of Motion . . . . . . . . . . . . . . . . . 6 1. 2 Perturbing Function and Perturbing Potential . . . . 23 1. 3 General Definitions . . . . . . . . . . . . . . . . . . . . . . . . . 23 1. 3. 1 Perturbing Gravitational Potential of the Earth in 1. 3. 2 Outer Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Perturbations due to the Moon and the Sun . . . . . . 27 1. 3. 3 Solution of the Perturbed Motion . . . . . . . . . . . . . . 28 1. 4 1. 5 Transformation of the Perturbing Gravitational Potential into the Function of the Satellite's Orbital Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 1. 5. 1 Transformation of Potential Rs$ . . . . . . . . . . . . . . . 32 1. 5. 2 Transformation of Potentials L1 Vs»' L1 Vso . . . . . . . .
Author : Hamayun
Publisher :
ISBN 13 : 9789461863256
Total Pages : pages
Book Rating : 4.8/5 (632 download)
Download or read book Global Earth Structure Recovery from State-of-the-art Models of the Earth's Gravity Field and Additional Geophysical Information written by Hamayun and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vladimir Naumovich Zharkov
Publisher :
ISBN 13 :
Total Pages : 406 pages
Book Rating : 4.3/5 (91 download)
Download or read book Physics of Planetary Interiors written by Vladimir Naumovich Zharkov and published by . This book was released on 1978 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309174767
Total Pages : 126 pages
Book Rating : 4.3/5 (91 download)
Download or read book Satellite Gravity and the Geosphere written by National Research Council and published by National Academies Press. This book was released on 1997-09-02 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the past three decades, it has been possible to measure the earth's static gravity from satellites. Such measurements have been used to address many important scientific problems, including the earth's internal structure, and geologically slow processes like mantle convection. In principle, it is possible to resolve the time-varying component of the gravity field by improving the accuracy of satellite gravity measurements. These temporal variations are caused by dynamic processes that change the mass distribution in the earth, oceans, and atmosphere. Acquisition of improved time-varying gravity data would open a new class of important scientific problems to analysis, including crustal motions associated with earthquakes and changes in groundwater levels, ice dynamics, sea-level changes, and atmospheric and oceanic circulation patterns. This book evaluates the potential for using satellite technologies to measure the time-varying component of the gravity field and assess the utility of these data for addressing problems of interest to the earth sciences, natural hazards, and resource communities.
Author : Roman Teisseyre
Publisher : Elsevier
ISBN 13 : 1483291804
Total Pages : 493 pages
Book Rating : 4.4/5 (832 download)
Download or read book Gravity and Low-Frequency Geodynamics written by Roman Teisseyre and published by Elsevier. This book was released on 2013-10-22 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: This fourth volume in the series Physics and Evolution of the Earth's Interior, provides a comprehensive review of the geophysical and geodetical aspects related to gravity and low-frequency geodynamics. Such aspects include the Earth's gravity field, geoid shape theory, and low-frequency phenomena like rotation, oscillations and tides.Global-scale phenomena are treated as a response to source excitation in spherical Earth models consisting of several shells: lithosphere, mantle, core and sometimes also the inner solid core. The effect of gravitation and rotation on the Earth's shape is analysed. The satellite approach to studies of the gravity field and the geoid shape is discussed in some detail. Discussions of recent findings and developments are accompanied by a brief historical background.
Author : John L. Junkins
Publisher :
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.X/5 (4 download)
Download or read book Development of finite element models for the earth's gravity field written by John L. Junkins and published by . This book was released on 1977 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: As alternatives to lengthy globally valid series representations of the geopotential, piecewise modeling for the gravity field is investigated. A degree 23 spherical harmonic representation is replaced by 1500 local gravity functions within the spherical shell from 1 to 1.2 earth radii. Worst case acceleration errors enter in the 7th significant digit, computational speed is improved by an order of magnitude. (Author).
