Bashi channel,Luzon strait: A hydraulic model experiment of the tidal current |
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| Authors: | Sei-ichi Kanari Toshihiko Teramoto |
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| Institution: | (1) Department of Geophysics, Hokkaido University, Japan;(2) Ocean Research Institute, University of Tokyo, Japan |
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| Abstract: | Bottom current conditions due to tidal currents in the area of the Bashi Channel, Luzon Strait, are examined using a scaled
hydraulic model in a uni-directional flow channel. The geometrical model is scaled in both the similitude of Froude's Number
and the similitude of the four-thirds power law of eddy viscosity.
The currents obtained from the experiment seem to be consistent in order of magnitude with the estimated currents based on
observations made by Offshore Environmental System Ltd. In a quasi-steady tidal phase, formation of a strong core flow is
found in the Bashi Channel. It can be explained by a simple theoretical model in which the formation of the strong current
is attributed to the submarine topography of the Luzon Strait. |
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