Abstract
Tides and tidal currents in the Tusima Strait are described, and cotidal charts are re-edited on the basis of intensive analysis of observed data. Some remarkable features are revealed as follows;
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(a)
The amphidromic points of the K1 and O1 tides are remarkably shifted toward the Korean coast compared to Ogura's traditional charts.
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(b)
The amphidromic point of the O1 tide is detected at a position further southwest than that of the K1 tide.
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(c)
The anti-amphidromic areas for the semidiurnal tides are located in the southwestern region of the strait and they are close to the Korean coast.
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(d)
Remarkable amplitude gaps are found between the east and west coasts of the Tusima Islands; the amplitude on the west coast is larger than that on the east coast.
Close examination of each term in the momentum equation reveals that the M2 and S2 tides are standing waves which have phases of tides about 90 degrees different from those of the tidal current, and the K1 and O1 tides are understood with a composite of the incident and reflected Kelvin waves.
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Odamaki, M. Tides and tidal currents in the Tusima Strait. Journal of the Oceanographical Society of Japan 45, 65–82 (1989). https://doi.org/10.1007/BF02108795
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DOI: https://doi.org/10.1007/BF02108795