The Effects of Loading and Self-Attraction on Global Ocean Tides: The Model and the Results of a Numerical Experiment

R. G. Gordeev Leningrad Branch, P.P. Shirshov Institute of Oceanology, Academy of Sciences of the USSR, Leningrad

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B. A. Kagan Leningrad Branch, P.P. Shirshov Institute of Oceanology, Academy of Sciences of the USSR, Leningrad

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E. V. Polyakov Leningrad Branch, P.P. Shirshov Institute of Oceanology, Academy of Sciences of the USSR, Leningrad

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Abstract

The computation of global tides, including the effects of loading and self-attraction, is formulated. A uniqueness theorem for the solution of the differential and associated finite-difference Problem is presented. The results of the calculation of semi-diurnal tides (M2 wave) are discussed. The effects of loading and self-attraction do not appear to lead to a major alteration of the spatial structure of the phenomenon being studied, but in several regions of the World Ocean significant changes in tidal character are observed.

Abstract

The computation of global tides, including the effects of loading and self-attraction, is formulated. A uniqueness theorem for the solution of the differential and associated finite-difference Problem is presented. The results of the calculation of semi-diurnal tides (M2 wave) are discussed. The effects of loading and self-attraction do not appear to lead to a major alteration of the spatial structure of the phenomenon being studied, but in several regions of the World Ocean significant changes in tidal character are observed.

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