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Fluctuations and secular changes in the earth's rotation

Published online by Cambridge University Press:  14 August 2015

Dirk Brouwer
Dirk Brouwer*
Affiliation:
Yale University Observatory, New Haven, Connecticut

Abstract

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Geophysical considerations favor seeking the cause of the random changes in the earth's rate of rotation in the turbulent motion in the core of the earth. Professor van der Waerden's analysis applies to this interpretation. The observational evidence indicates that the character of the fluctuation curve may be intermediate between that expected on the basis of a theory with frictional couple and one without. If confirmed, this would indicate that two different causes contribute to the changes in the earth's rate of rotation.

Type
Part II. The Rotation of the Earth
Information
Symposium - International Astronomical Union , Volume 11: The Rotation of the Earth and Atomic Time Standards , 1959 , pp. 17 - 19
Copyright
Copyright © American Astronomical Society 1959 

References

Brouwer, D. 1952a, Proc. Nat. Acad. Sci. 38, 1.Google Scholar
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Munk, W. and Revelle, R. 1952, M. N. Geophys. Suppl. 6, 331.Google Scholar
Van Woerkom, A. J. J. 1953, A. J. 58, 10.CrossRefGoogle Scholar