수산해양기술연구 (Journal of the Korean Society of Fisheries and Ocean Technology)

  • 제57권1호
  • /
  • Pages.45-56
  • /
  • 2021
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  • 2671-9940(pISSN)
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  • 2671-9924(eISSN)
한국수산해양기술학회 (The Korean Society of Fisheries and Ocean Technology)
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진해 및 마산항로 주변해역의 조석·조류특성

Tide and tidal current around the sea route of Jinhae and Masan passages

  • 추효상 (전남대학교 해양기술학부)
  • CHOO, Hyo-Sang (Dept. of Ocean Integrated Science, Chonnam National University)
  • 투고 : 2021.01.07
  • 심사 : 2021.02.02
  • 발행 : 2021.02.28
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초록

In order to understand the tide and current around the sea route of Jinhae and Masan passages, tide measurement and 2D numerical model experiments of tidal current and residual flow were carried out. Tide is composed of 84% of semi-diurnal tide, 11% of diurnal tide and 4% of shallow water tide, respectively. Phase lags of the major components for the tide around the study area have little differences. The flows are reversing on the whole, but have rotational form around Jamdo Island, south of Masan passage in spring tide and Ungdo Island, north of Masan passage in middle and neap tide. Current flows the speed of 50 cm/s in the sea areas near small islands, 5 cm/s in Jinhae harbor, Hangam bay and near Jinhae industrial complex and 20-30 cm/s in Jinhae passage, Budo channel and Masan passage. Tide-induced topographical eddies are formed near small islands, but few eddies exist and the flow rate of less than 5 cm/s tidal residual current formed in Jinhae and Masan passages. The flows in Jinhae and Masan passage give a good condition for a passage into Jinhae and Masan harbor.

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