2002 | OriginalPaper | Chapter
Improvement of the Earth nutation theory by taking into account the atmosphere and viscosity of the liquid core
Authors : V. E. Zharov, S. L. Pasynok
Published in: Vistas for Geodesy in the New Millennium
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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Nutation theory of the Earth with an atmosphere, an elastic mantle, a liquid outer and a solid inner core (SIC) is developed. The results are compared with the new IAU theory MHB2000. It is shown that disagreements of both theories with observations are less then 1 mas. New normal modes of the Earth are calculated. To complete the model, the theory accounts for the super-rotation of the SIC.