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Tidal Variations of the Earth Rotation

Published online by Cambridge University Press:  12 April 2016

J.M. Ferrándiz ,
Yu. V. Barkin  and
J. Getino
J.M. Ferrándiz
Affiliation:
Dept. Matemática Aplicada, University of Alicante, Spain
Yu. V. Barkin
Affiliation:
Sternberg Astronomical Institute, Moscow, Russia
J. Getino
Affiliation:
Faculty of Sciences, University of Valladolid, Spain

Abstract

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The equations for the rotation of a weakly deformable celestial body in non canonical Andoyer variables have been used to study the perturbation of Earth rotation due to tidal deformation raised by the Moon and Sun. A theory of the perturbed rotational motion of an isolated weakly deformable body in Andoyer variables and in components of the angular velocity has been developed. Mantle tidal deformations due to lunar and solar influences were analytically described and taken into account. Perturbations of the first order in the Earth’s polar motion were determined.

Type
Part 6. Daily and Subdaily Polar Motion
Information
International Astronomical Union Colloquium , Volume 178: Polar Motion: Historical and Scientific Problems , 2000 , pp. 565 - 569
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

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