Rotational deformation of the earth

Details Rotational deformation of the earth Rotational deformation of the earth

Jan 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976pepi...11..200m&link_type=abstract

Physics of the Earth and Planetary Interiors, vol. 11, no. 3, Jan. 1976, p. 200-206. Research supported by the National Researc

Physics

1

Astronomical Models, Earth Rotation, Elastic Deformation, Rotating Fluids, Rotating Spheres, Angular Velocity, Body Kinematics, Centrifugal Force, Equilibrium Equations, Oblate Spheroids

Scientific paper

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 an 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 0.001052 and 0.003329, respectively. A surprising result is that the solid inner core of a real-earth model becomes slightly prolate under uniform rotation, while the rest of the earth is oblate.

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