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A Study of Numerical Experiments on the Tide and Surge in the Korea Straits KCI 등재

대한해협에서의 조석과 해일에 관한 수치실험연구

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한국지구과학회지 (The Journal of The Korean Earth Science Society)
한국지구과학회 (The Korean Earth Science Society)
초록

Using a numerical model, the tidal phenomena in the Korea Straits were studied. The co-tidal and co-range charts of the main four tidal components of M2, S2, K1 and O1, were made. The tidal range for M2 tide in the southern coast is more than 200cm, and as going to the Japan Sea it abruptly decreased to only few centimeters around the amphidromic point which locates at the southern part of the Japan Sea. And the overall features of the other tides are similar to the M2 tide. Each calculated charts were relatively coincided with those of observed tide by Ogura(1933). For storm surge, the typhoon Thelma in July, 1987, was modelled. The water level by the pressure and wind under the elimination of the tidal effects shows the anti-clockwise rotation and the valid concentric contour around the typhoon center. As the typhoon approaches to the Japan Sea the water level of the eastern coast of Korea is smaller than that of the southern coast which has over 50㎝surge due to the shallow depth. The entire features of water level were comparatively coincident with the observed.

저자
  • Kyung-Ai Park
  • Hui-Soo An