鹿児島湾口山川港沖噴気孔密集海域における観測

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タイトル別名
  • カゴシマ ワンコウ ヤマカワコウオキ フンキコウ ミッシュウ カイイキ ニ オケル カンソク
  • Observation at narrow area of submarine fumarole off Yamagawa port in Kagoshima Bay
  • カゴシマワンコウ ヤマガワコウオキ フンキコウ ミッシュウ カイイキ ニオケル カンソク

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The CTD and memory type temperature-depth gauge observations had been carried out in the narrow area of submarine fumarole off Yamagawa Port located at a mouth of Kagoshima Bay. Vertical change of temperature and salinity shows similar charactors in this sutady area. It is found that water temperature inside a submarine fumarole crater is nearly 26°C, and 9°C warmer than water outside of the crater.Improvement of image signal wiring of ROV was conducted, too. For instance, more clear ROV image signal could be obtained.Small fish and white sediment was visualized clearly inside of submarine fumarole crater small crustacean by this project.

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