ISSN:
1573-0794
Keywords:
dynamical ellipticity
;
Earth's rotation
;
nutation
;
tides
Source:
Springer Online Journal Archives 1860-2000
Topics:
Geosciences
,
Physics
Notes:
Abstract In this paper, the expressions of variations of the dynamical ellipticity and the principal moments of inertia due to the deformations produced by the zonal part of the tidal potential are obtained. Starting from these expressions, we have studied from equations related to Hamiltonian theory, their effects on the nutation and finally we have evaluated numerically such influences, with a level of truncation at 0.1 μas. Thus we have shown that some coefficients are quite large with respect to the usual accuracy of up-to-date observations.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1023/A:1006331511290
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