Propagation of topographically trapped waves on aβ-plane |
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Authors: | Hiroshi Takeda |
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Affiliation: | (1) Department of Applied Physics, Faculty of Engineering, University of Tokyo, Bunkyo-ku, 113 Tokyo, Japan |
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Abstract: | Topographically trapped (subinertia) waves that propagate along a coast lying in an arbitrary direction on aβ-plane are studied. It is found that the waves also propagate in the direction normal to the coast within an envelope due to theβ-effect. The dispersion relation is hardly affected by theβ-effect except in a long wavelength or long period range in which generalized Haurwitz waves (Takeda, 1984b) exist. In the long wavelength or long period range, two types of waves exist: topographically trapped type waves and generalized Haurwitz type waves. |
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