Automatic and Continuous Measurement of Nutrient at Coastal Field

• 新井 励

  (株)日本ミクニヤ

• 中谷 直樹

  大阪府立大学大学院工学研究科

• 奥野 武俊

  大阪府立大学大学院工学研究科

抄録

Some of the environmental factors such as dissolved oxygen, chlorophyll, turbidity and so on can be measured by electric sensor recently. It enables to measure these continually and automatically. This kind measurement is very important for monitoring of the environment of coastal area. However, since it is difficult to measure the chemical parameter continuously because of its reaction time, the so-called batch type analysis has to be employed. In order to monitor the nutrient in ocean, the measurement of dissolved nitrogen is most important because it is useful for understanding a particular behavior of the phytoplankton as the primary production. In this paper, the method of absorption rate measurement of processed water by the visible ray is described. The water is drawn through pipe by a tube pump and processed with a reagent. After the chemical reaction through mixing coil, the absorption rate is measured by electric sensor continuously. The effectiveness of the present method is shown in the field measurement in Osaka Bay.

収録刊行物

• 関西造船協会講演概要集

  関西造船協会講演概要集 2002S (0), 25-25, 2002

  社団法人 日本船舶海洋工学会

キーワード

• Monitoring System
• Continuous Measurement
• Nutrient
• Flow Injection

詳細情報

• CRID: 1390001205690004352
• NII論文ID: 130007011232
• DOI: 10.14856/ksnajproc.2002s.0.25.0
• 本文言語コード: en
• データソース種別:
  • JaLC
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可