TIDAL FLOW SIMULATION FOR THE EFFECT OF SEABED CONFIGURATION ON EXCHANGE RATE OF SEA WAFER IN OMURA BAY

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Other Title
  • 大村湾の海底地形改変が海水交換率に与える影響のシミュレーション評価

Abstract

Omura Bay in Nagasaki Prefecture, which is almost isolated from the outer sea, is famous for the very low exchange rate of sea water. In the present paper, the authors carry out the tidal flow simulation using the simulation system improved with the automatic control method, and it is discussed that the effect of seabed configuration on the exchange rate of sea water in Omura Bay. At first, it was estimated that the current rate ranges from 0.2 to 0.4%. Secondly, the authors performed the simulation tests with the modified seabed configuration which is cut the sea mount and buried the deep basin, respectively or simultaneously. It was confirmed that there are little changes of tide, the averaged rates become higher than current one and the water mass pattern nearby the bay mouth stretches into the depths of the bay.

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Details 詳細情報について

  • CRID
    1390282680146390912
  • NII Article ID
    130004043244
  • DOI
    10.2208/prohe.44.969
  • ISSN
    18849172
    09167374
    http://id.crossref.org/issn/07339429
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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