On the 'rotational angular momentum' of the oceans and the corresponding polar motion

Details On the 'rotational angular momentum' of the oceans and the corresponding polar motion On the 'rotational angular momentum' of the oceans and the corresponding polar motion

Feb 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994an....315..181b&link_type=abstract

Astronomische Nachrichten (ISSN 0004-6337), vol. 315, no. 2, p. 181-188

Astronomy and Astrophysics

Astronomy

6

Angular Momentum, Hydrodynamics, Ocean Dynamics, Ocean Models, Tides, Centrifugal Force, Earth Rotation, Liouville Equations, Very Long Base Interferometry

Scientific paper

Periodic polar motions caused by ocean tides are predicted. In the Liouville equations for rotational motion the complete excitation functions for the ocean tides have to be used. This does not depend on the fact that hydrodynamical ocean tide models do not consider the centrifugal acceleration. The observable polar motion of the Celestial Ephemeris Pole CEP is tabulated for ten ocean tides. Typical amplitudes for the largest ocean tides are 0.4 milliarcseconds. This is within the reach of geodetic Very Long Base Interferometry (VLBI) and SLR observations.

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