Variations In Earth Rotation
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Variations In Earth Rotation
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Author : Dennis D. McCarthy
language : en
Publisher: American Geophysical Union
Release Date : 1990
Variations In Earth Rotation written by Dennis D. McCarthy and has been published by American Geophysical Union this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Science categories.
Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 59. As part of the Nineteenth General Assembly of The International Union of Geodesy and Geophysics Symposium (IUGG) in Vancouver, Canada, Union Symposium U4, "Variations in Earth Rotation" was held August 18-19 1987. The Convenor was Dennis D. McCarthy, U.S. Naval Observatory with P. Paquet, Observatoire Royal de Belgique and M. G. Rochester, St. Johns University serving as co-convernors. In a session on internal structure of the Earth papers dealt with the geophysical effects on Earth rotation parameters. Mantle anelasticity increases the free core nutation (FCN) period by a few days. The period of the FCN and the amplitudes of the main nutation components are sensitive to the ellipticity of the core?]mantle boundary (CMB), and a non-hydrostatic increase of 400m in the flattening of the CMB is a possible explanation of the discrepancies from theory. An alternative suggestion rests on the subseismic description of the nutation spectrum of the stratified liquid core. Evidently new models will have to take into account contributions from the oceans, mantle anelasticity, non-hydrostatic pre-stress, CMB topography and internal core structure.
High Frequency To Subseasonal Variations In Earth Rotation
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Author : Barbara Kołaczek
language : en
Publisher:
Release Date : 2000
High Frequency To Subseasonal Variations In Earth Rotation written by Barbara Kołaczek and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
Time From Earth Rotation To Atomic Physics
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Author : Dennis D. McCarthy
language : en
Publisher: Cambridge University Press
Release Date : 2018-10-18
Time From Earth Rotation To Atomic Physics written by Dennis D. McCarthy and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-18 with Science categories.
This accessible reference presents the evolution of concepts of time and methods of time keeping, for historians, scientists, engineers, and educators. The second edition has been updated throughout to describe twentieth- and twenty-first-century advances, progress in devices, time and cosmology, the redefinition of SI units, and the future of UTC.
A Review Of Studies Made On The Decade Fluctuations In The Earth S Rate Of Rotation
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Author : W. R. Davey
language : en
Publisher:
Release Date : 1967
A Review Of Studies Made On The Decade Fluctuations In The Earth S Rate Of Rotation written by W. R. Davey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Earth categories.
Studies of variations in the length of the day (l. o. d.) on the order of a few milliseconds over the period of a few decades are briefly reviewed. In this connection, studies of the dynamo theory of geomagnetism, the westward drift of the magnetic field, and electromagnetic core-mantle coupling preface the theory of the decade fluctuations in the l. o. d.(Author).
The Earth S Variable Rotation
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Author : Kurt Lambeck
language : en
Publisher: Cambridge University Press
Release Date : 2005-06-30
The Earth S Variable Rotation written by Kurt Lambeck and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-06-30 with Mathematics categories.
An analysis of the irregular rotation of the Earth and the geophysical mechanisms responsible for it.
Earth Rotation
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Author : Helmut Moritz
language : en
Publisher: Burns & Oates
Release Date : 1987
Earth Rotation written by Helmut Moritz and has been published by Burns & Oates this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with History categories.
New Approaches In Geomagnetism And The Earth S Rotation
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Author : S Flodmark
language : en
Publisher: World Scientific
Release Date : 1991-01-30
New Approaches In Geomagnetism And The Earth S Rotation written by S Flodmark and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-01-30 with Science categories.
The rotation of the Earth and its relation to geomagnetism are topics that have been under debate for more than a century. In this volume both of these phenomena are discussed in the light of new approaches. Keith Runcorn presents a survey of the papers and concluding remarks. F Richard Stephenson gives a thorough review of the history of the Earth's rotation whilst Stig Flodmark finds an explanation for the Chandler wobbles and the drift of the polar axis. A New Approach to Polar Motion by Losito et al. gives another view of the same theory. The fascinating idea of a single-crystal inner core is discussed by Flodmark and Weber and magnetic rigidity in the Earth is a new concept dealt with by Mörner. The mechanisms behind magnetic reversals, ice ages and earthquakes are other subjects under debate. It is hoped that the present volume will encourage forthcoming debates on these subjects.
Earth Rotation Solved And Unsolved Problems
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Author : Anny Cazenave
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Earth Rotation Solved And Unsolved Problems written by Anny Cazenave 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.
The idea for organl.zl.ng an Advanced Research Workshop entirely devoted to the Earth rotation was born in 1983 when Professor Raymond Hide suggested this topic to the special NATO panel of global transport mechanism in the Geosciences. Such a specialized meeting did not take place since the GEOP research conference on the rotation of the Earth and polar motion which was held at the Ohio State University (USA) in 1973. In the last ten years, highly precise measurements of the Earth's rotation parameters and new global geophysical data have become available allowing major advance to be made in the under standing of the various irregularities affecting the Earth's rotation. The aim of the workshop was to bring together scientists who have made important contributions in this field during the last decade both at the observational and geophysical interpretation levels. The confe rence was divided into four main topics. The first session was dedicated to the definition, implementation and maintenance of the terrestrial and celestial reference systems. A few critical points have been identified as requiring further improvements: (i) appro priate selection of terrestrial sites recognized for their long term stability, (ii) determination of the relationship between terrestrial and celestial references systems as well as between the various terrestrial ones, (iii) improvment of the theory of a rotating elastic earth (the recently adopted theory needs already some corrections').
Growth Rhythms And The History Of The Earth S Rotation
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Author : Gary D. Rosenberg
language : en
Publisher: Wiley-Interscience
Release Date : 1975
Growth Rhythms And The History Of The Earth S Rotation written by Gary D. Rosenberg and has been published by Wiley-Interscience this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Biological rhythms categories.
The Interaction Between Earth S Rotation And Geophysical Processes
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Author : Nikolay S. Sidorenkov
language : en
Publisher: John Wiley & Sons
Release Date : 2009-08-14
The Interaction Between Earth S Rotation And Geophysical Processes written by Nikolay S. Sidorenkov and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-08-14 with Science categories.
Filling an important gap in the geophysical literature at specialist level, this monograph is the only up-to-date title to provide a link between the Earth's rotation and its atmo- and hydrosphere, including the ice masses. Starting with the Earth's motions, the text goes on to look at irregularities and the effect of atmospheric processes on the Earth's spin. Tides and seasons occupy the following sections before a discussion of the Earth-ocean-atmosphere system and the mechanical action of the atmosphere on the Earth's rotation. The whole is rounded off by an index of abbreviations and appendices with sections on related physics for better readability, plus a comprehensive bibliography for further reading. A must for geophysicists, oceanographers, glaciologists, climatologists and meteorologists alike.