Distribution of Poverty Oxygen Situation in Omura Bay

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  • 大村湾における貧酸素分布について
  • オオムラワン ニ オケル ヒンサンソ ブンプ ニ ツイテ

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Abstract

Generally, it is known that the hypoxic water mass(Dissolved Oxygen: DO<3.0mg/L)is easy to be formed in an enclosed coastal sea. As Omura Bay is a typical enclosed coastal sea, the oxygen content of seawater was measured in Omura Bay from February in 2008 to February in 2009. Samples were collected from four depths(0, 2, 6, and 10m)at five sites. The hypoxic water mass were observed at bottom water in September, especially at inner bay, which water column was began to develop in May.

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