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Rotational deformation of the earth
Physics of the Earth and Planetary Interiors, 1976Abstract The effect of rotation on two elastic real earth models and the equivalent fluid earth models has been investigated. The present angular velocity has resulted in the increase of the surface radius by about 0.7 km for a real earth and 1.02 km for a liquid earth. The corresponding ellipticities are 0.1052·10 −2 and 0.3329·10 −2 , respectively.
Lalu Mansinha, Po-Yu Shen
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Rotation of the Earth and Magnetostriction [PDF]
Nature, 1929 IN 1926, Prof. E. W. Brown presented the evidence indicating remarkable changes in the rate of the earth's rotation (Trans. of the Astronomical Observatory of Yale University, vol. 3, part 6). Changes, more or less abrupt, were shown to have occurred about 1785, 1850, 1898, and 1918. Prof. Brown finds that the observational data are consistent with the
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1985
During the period, work on the problem of the Earth’s rotation has continued to expand and increase its scope. The total number of institutions engaged in the determination of the Earth’s rotation parameters (ERP) by different techniques has been increased significantly.
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During the period, work on the problem of the Earth’s rotation has continued to expand and increase its scope. The total number of institutions engaged in the determination of the Earth’s rotation parameters (ERP) by different techniques has been increased significantly.
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Effects of the Rotation of the Earth
1958The Earth is a celestial body and is as such subject to gravitation. If all other forces were absent, the Earth would exhibit the form of a sphere and its surface would be perfectly smooth. We have already discussed some of the surface irregularities, but the principal departure from a spherical shape is due to the rotation of the Earth.
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Physics of the Earth and Planetary Interiors, 1961
The Rotation of the Earth A Geophysical Discussion. By Walter H. Munk and Gordon J. F. Macdonald. (Cambridge Monographs on Mechanics and Applied Mathematics.) Pp. xix + 323. (Cambridge: At the University Press, 1960.) 70s. net.
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The Rotation of the Earth A Geophysical Discussion. By Walter H. Munk and Gordon J. F. Macdonald. (Cambridge Monographs on Mechanics and Applied Mathematics.) Pp. xix + 323. (Cambridge: At the University Press, 1960.) 70s. net.
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Earth Rotation Monitoring [PDF]
, 1989 The full description of the Earth rotation in space is given by: the motion of the Earth rotation axis with respect to the Earth shown by polar motion; the motion of the Earth rotation axis in space, defined by lunisolar precession and astronomical nutation (see Chapter 8); the angular position around the Earth rotation axis that is the
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