On the dynamical effects of a heterogeneous and compressible liquid core in the theory of Chandler wobble

Details On the dynamical effects of a heterogeneous and compressible liquid core in the theory of Chandler wobble On the dynamical effects of a heterogeneous and compressible liquid core in the theory of Chandler wobble

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998geoji.135..723m&link_type=abstract

Geophysical Journal International, Volume 135, Issue 3, pp. 723-726.

Astronomy and Astrophysics

Astronomy

4

Chandler Wobble, Core Stratification, Earth Rotation, Liquid Outer Core, Poincaré Theory

Scientific paper

The general 3-D scalar equations of motion of the liquid core (with respect to the radial components of displacements and cubic dilatation) are constructed as a superposition of the solutions of ordinary differential equations describing the dynamics of a stably stratified, heterogeneous, compressible and inviscid rotating fluid inside thin spherical layers (Molodensky & Sasao 1995). The estimation of dynamical effects of a homogeneous and incompressible liquid core on the Chandler period (Groten, Lenhardt & Molodensky 1991) is generalized for the case of a heterogeneous, compressible, inviscid and neutrally stratified liquid core.

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