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Earth Rotation Variations from Hours to Centuries

Published online by Cambridge University Press:  30 March 2016

Jean O. Dickey
Jean O. Dickey*
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology Pasadena, California 91109-8099, USA

Abstract

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The study of Earth rotation encompasses the complex nature of orientation changes, the excitation of these changes and their geophysical implications in a broad variety of areas. Studies have embarked on a new era with the advent of highly accurate space geodetic techniques and the increasing availability of complementary geophysical data sets. This paper provides an overview of Earth rotation variations from hours to centuries with a brief discussion of polar motion and nutation results.

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