Earth Rotation

Author : Walter H. Munk
Publisher : Cambridge University Press
ISBN 13 : 9780521104067
Total Pages : 0 pages
Book Rating : 4.68/5 ( download)

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Download or read book The Rotation of the Earth written by Walter H. Munk and published by Cambridge University Press. This book was released on 2009-03-19 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an account of certain observed irregularities on the rotation of the Earth, both in its rate of rotation (giving a variable length of day) and in the position of its axis. These irregularities are caused by events on and within the Earth and provide a means of studying a number of geophysical problems. Seasonal shifts in air masses and variable winds are causes of short-period fluctuations in the rotation. Climatic changes and their attendant sea levels are in part responsible for long-term fluctuations. Modern observations of the Moon and descriptions of ancient elipses both establish a secular increase in the length of day. The interpretation involves atmospheric, oceanic and bodily tides. The book provides a unified treatment of the rotation of the Earth, making this method of studying geophysical phenomena more readily accessible to geophysicists and others.

Author : Dennis D. McCarthy
Publisher : Cambridge University Press
ISBN 13 : 1107197287
Total Pages : 403 pages
Book Rating : 4.82/5 ( download)

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Download or read book Time: From Earth Rotation to Atomic Physics written by Dennis D. McCarthy and published by Cambridge University Press. This book was released on 2018-10-18 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Author : Kurt Lambeck
Publisher : Cambridge University Press
ISBN 13 : 9780521673303
Total Pages : 468 pages
Book Rating : 4.05/5 ( download)

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Download or read book The Earth's Variable Rotation written by Kurt Lambeck and published by Cambridge University Press. This book was released on 2005-06-30 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: An analysis of the irregular rotation of the Earth and the geophysical mechanisms responsible for it.

Author : F. Richard Stephenson
Publisher : Cambridge University Press
ISBN 13 : 0521461944
Total Pages : 577 pages
Book Rating : 4.48/5 ( download)

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Download or read book Historical Eclipses and Earth's Rotation written by F. Richard Stephenson and published by Cambridge University Press. This book was released on 1997-06-05 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is intended for geophysicists, astronomers (especially those with an interest in history), historians and orientalists. The culmination of many years of research, it discusses, in depth, ancient and medieval eclipse observations and their importance in studying Earth's past rotation. This was the first major book on this subject to appear in the last twenty years. The author has specialised in the interpretation of early astronomical records and their application to problems in modern astronomy for many years. The book contains an in-depth discussion of numerous eclipse records from Babylon, China, Europe and the Arab lands. Translations of almost every record studied are given. It is shown that although tides play a dominant long-term role in producing variations in Earth's rate of rotation - causing a gradual increase in the length of the day - there are significant, and variable non-tidal changes in opposition to the main trend.

Author : Dennis D. McCarthy
Publisher : American Geophysical Union
ISBN 13 : 0875904599
Total Pages : 197 pages
Book Rating : 4.97/5 ( download)

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Download or read book Variations in Earth Rotation written by Dennis D. McCarthy and published by American Geophysical Union. This book was released on 1990 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Author : Anny Cazenave
Publisher : Springer Science & Business Media
ISBN 13 : 940094750X
Total Pages : 339 pages
Book Rating : 4.04/5 ( download)

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Download or read book Earth Rotation: Solved and Unsolved Problems written by Anny Cazenave and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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').

Author : Alice K. Babcock
Publisher : Springer Science & Business Media
ISBN 13 : 9789027726575
Total Pages : 498 pages
Book Rating : 4.74/5 ( download)

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Download or read book The Earth's Rotation and Reference Frames for Geodesy and Geodynamics written by Alice K. Babcock and published by Springer Science & Business Media. This book was released on 1988-02-29 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the 128th Symposium of the International Astronomical Union, held in Coolfont, West Virginia, USA, October 20-24, 1986.

Author : Peter Brosche
Publisher : Springer Science & Business Media
ISBN 13 : 3642755879
Total Pages : 287 pages
Book Rating : 4.73/5 ( download)

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Download or read book Earth’s Rotation from Eons to Days written by Peter Brosche and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earth's Rotation from Eons to Days reviews long-term changes, methods of measurement, and the major influences on rotation parameters. In order to understand secular changes, the momentary behavior of ocean tides must be analyzed and appropriately modelled. Researchers and students in astronomy and all fields of geosciences will find a wealth of information related to the interaction of geophysical phenomena and the rotation of the planet Earth.

Author : D.D. McCarthy
Publisher : Springer Science & Business Media
ISBN 13 : 9400993684
Total Pages : 329 pages
Book Rating : 4.86/5 ( download)

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Download or read book Time and the Earth’s Rotation written by D.D. McCarthy and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: IAU Symposium No. 82, "Time and the Earth's Rotation", met to discuss modern research in the field of the rotation of the Earth with particu lar emphasis on the role of new observational techniques in this work. The use of these techniques has prompted a new look at the definitions of the traditional reference systems and the concepts of the rotation of the Earth around its center of mass. Specific topics discussed were time, polar motion, reference systems, conventional radio interferometry, very'long baseline interferometry (VLBI), Doppler satellite methods, satellite laser ranging, lunar laser ranging, and geophysical research concerning the Earth's rotation. Improvement in the accuracy of the observations is a key to possible solutions of the many unsolved problems remaining in this field. It appears that such improvement, using both classical and new techniques, is forthcoming in the near future. This will surely contribute to a better understanding of some of the long-standing questions concerning the rotation of the Earth around its center of mass and lead to an improved knowledge of the rotating, deformable Earth. This volume contains the papers presented at IAU Symposium No. 82 as well as the discussions provoked by these papers. It is hoped that it captures the principal points of the meeting and that it will contribute not only to a better understanding of existing problems, but also to future research in time and the Earth's rotation.

Author : Robert C. Bostrom
Publisher : Oxford University Press, USA
ISBN 13 : 9780195090284
Total Pages : 294 pages
Book Rating : 4.84/5 ( download)

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Download or read book Tectonic Consequences of the Earth's Rotation written by Robert C. Bostrom and published by Oxford University Press, USA. This book was released on 2000 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume reviews the cumulative evidence suggesting that a connection may exist between the Earth's rotation and geotectonics. Among other benefits, such a connection may assist in deciphering the flow of the Earth's mantle.