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The Theory of the Earth's Orientation, with Some New Results for Nutation

Published online by Cambridge University Press:  03 August 2017

John M. Wahr
John M. Wahr*
Affiliation:
Department of Physics and Cooperative Institute for Research in Environmental Sciences, Campus Box 390, University of Colorado, Boulder, Colorado 80309

Abstract

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The rotation of the earth is variable at a number of time scales, from a few days to thousands of years and longer. Variations occur in the rotation rate, in the geographical position of the rotation axis (referred to as polar motion), and in the position of the axis relative to inertial space (referred to as nutation and precession). The interpretations of the various observations have implications for the dynamical behavior and structure of the earth's deep interior, and for various aspects of meteorology and oceanography. These are reviewed below. Also included is an Appendix describing a model of the diurnal resonance in nutation for a non-hydrostatically pre-stressed earth.

Type
Geophysics
Information
Symposium - International Astronomical Union , Volume 129: The Impact of VLBI on Astrophysics and Geophysics , 1988 , pp. 381 - 390
Copyright
Copyright © Reidel 1988 

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