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On the Relation between the Rotation of the Earth and Solar Activity

Published online by Cambridge University Press:  27 June 2016

Chikara Sugawa ,
Chuichi Kakuta  and
Hideo Matsukura
Chikara Sugawa
Affiliation:
International Latitude Observatory, Mizusawa, Iwate
Chuichi Kakuta
Affiliation:
International Latitude Observatory, Mizusawa, Iwate
Hideo Matsukura
Affiliation:
Sendai Meteorological Observatory, Sendai, Miyagi

Abstract

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Solar activity may affect the rotation of the solid Earth by coupling between the lower neutral atmosphere and the solid Earth. It attacks directly the lower atmosphere in the non-axially symmetric mode and may trigger off variation of the amplitude of the annual terms in the polar motion. The indirect effect of solar activity may be associated with some proper oscillation of the atmospheric coupling with the ocean in the axially symmetric mode of the atmospheric motion. The shift of airmass along the rotating axis of the Earth corresponds well with the changes of the Earth's rotational velocity and the Chandler amplitude in the polar motion for long time variation.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 48: Rotation of the Earth , 1972 , pp. 231 - 233
Copyright
Copyright © Reidel 1972 

References

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