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On the Regularity of Motions of the Pole

Published online by Cambridge University Press:  25 April 2016

H. J. M. Abraham
H. J. M. Abraham*
Affiliation:
Mount Stromlo and Siding Spring Observatories Australian National University, Canberra
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Extract

This paper suggests reasons why certain forms and frequencies are found in librations of the pole. The period is about 27 years, but there is also a shorter period which was found empirically to vary with the inverse of the amplitude of the Chandler nutation. It had been found also that the pattern of the motions would sometimes become reversed.

Type
Contributions
Information
Publications of the Astronomical Society of Australia , Volume 2 , Issue 4 , October 1973 , pp. 203
Copyright
Copyright © Astronomical Society of Australia 1973

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References

1 Abraham, H.J.M., Proc. A.S.A., 1, 350 (1970)Google Scholar
2 Munk, W.H. and MacDonald, G.J.F., The Rotation of the Earth, Cambridge University Press, p. 154, (1960).Google Scholar