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M2, S2, K1 models of the global ocean tideOcean tidal signals appear in many geophysical measurements. Geophysicists need realistic tidal models to aid in interpretation of their data. Because of the closeness to resonance of dissipationless ocean tides, it is difficult for numerical models to correctly represent the actual open ocean tide. As an approximate solution to this problem, test functions derived by solving Laplace's Tidal Equations with ocean loading and self gravitation are used as a basis for least squares dynamic interpolation of coastal and island tidal data for the constituents M2, S2, and Kl. The resulting representations of the global tide are stable over at least a ?5% variation in the mean depth of the model basin, and they conserve mass. Maps of the geocentric tide, the induced free space potential, the induced vertical component of the solid earth tide, and the induced vertical component of the gravitational field for each contituent are presented.
Document ID
19790022736
Document Type
Contractor Report (CR)
Authors
Parke, M. E. (National Oceanic and Atmospheric Administration Seattle, WA, United States)
Hendershott, M. C. (National Oceanic and Atmospheric Administration Seattle, WA, United States)
Date Acquired
September 3, 2013
Publication Date
August 1, 1979
Subject Category
OCEANOGRAPHY
Report/Patent Number
NASA-CR-156855
Funding Number(s)
CONTRACT_GRANT: NAS6-2506
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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