NDLI: Ocean tide models for satellite geodesy and earth rotation

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Ocean tide models for satellite geodesy and earth rotation

Content Provider	NASA Technical Reports Server (NTRS)
Author	Dickman, Steven R.
Copyright Year	1991
Description	A theory is presented which predicts tides in turbulent, self-gravitating, and loading oceans possessing linearized bottom friction, realistic bathymetry, and continents (at coastal boundaries no-flow conditions are imposed). The theory is phrased in terms of spherical harmonics, which allows the tide equations to be reduced to linear matrix equations. This approach also allows an ocean-wide mass conservation constraint to be applied. Solutions were obtained for 32 long and short period luni-solar tidal constituents (and the pole tide), including the tidal velocities in addition to the tide height. Calibrating the intensity of bottom friction produces reasonable phase lags for all constituents; however, tidal amplitudes compare well with those from observation and other theories only for long-period constituents. In the most recent stage of grant research, traditional theory (Liouville equations) for determining the effects of angular momentum exchange on Earth's rotation were extended to encompass high-frequency excitations (such as short-period tides).
File Size	1722956
Page Count	31
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19920019624
Archival Resource Key	ark:/13960/t4xh4hj7q
Language	English
Publisher Date	1991-12-01
Access Restriction	Open
Subject Keyword	Oceanography Turbulence Calibrating Spherical Harmonics Liouville Equations Geodesy Satellite Observation Bathymeters Earth Rotation Ocean Models Friction Angular Momentum Earth Tides Linear Equations Matrices Mathematics Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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