Record Details
Diurnal/semidiurnal oceanic tidal angular momentum : Topex/Poseidon models in comparison with Earth's rotation rate
ScholarsArchive at Oregon State University
| Field | Value |
|---|---|
| Title | Diurnal/semidiurnal oceanic tidal angular momentum : Topex/Poseidon models in comparison with Earth's rotation rate |
| Names |
Chao, Benjamin Fong
(creator) Ray, Richard D. (creator) Egbert, Gary D. (creator) |
| Date Issued | 1995-08-01 (iso8601) |
| Note | copyrighted by American Geophysical Union |
| Abstract | The oceanic tidal angular momentum (OTAM) has Been demonstrated to be the primary cause for the diurnal and semidiurnal variations in the Earth's rotational rate, or ∆UT1. Three ocean tide models derived from the Topex/Poseidon altimetry mission are employed to yield predictions of ∆UT1 for eight major diurnal/semidiurnal tides. The predictions are compared with geodetic determinations of ∆UT1 from the very-long- baseline interferometry data both for long-term observations and during intensive campaigns. The agreement is good, with discrepancies typically within 2-3 μs. Systematic discrepancies observed for the well-determined M₂ tide clearly reveal the contribution of the Earth's spin libration. |
| Genre | Article |
| Identifier | Chao, B. F., Egbert, G. D., and Ray, R. D., Diurnal/semidiurnal oceanic tidal angular momentum: Topex/Poseidon models in comparison with Earth’s rotation rate, Geophys. Res. Lett., 22(15), 1995. |
