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On the Annual Earth’s Rotation

Published online by Cambridge University Press:  12 April 2016

Angelo Poma  and
Edoardo Proverbio
Angelo Poma
Affiliation:
Stazione Astronomica Internazionale, Cagliari, Italy
Edoardo Proverbio
Affiliation:
Istituto di Astronomia dell’Università, Cagliari, Italy

Abstract

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A number of works have presented evidence that the seasonal terms of the Earth’s rotation are variables from year to year. In this paper, introducing a parameter associated to a mean seasonal kinetic energy we show evidence of about 4 year and 7 yr periodicity. This result is briefly discussed.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 56: Reference Coordinate Systems for Earth Dynamics , August 1980 , pp. 187 - 190
Copyright
Copyright © Reidel 1981

References

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