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Field Experiment on Placement of Bubble Circulation Countermeasure in Small Reservoir in Subtropical Region

Author(s): Shohei Shibuya; Eiichi Furusato; Takashi Hirose; Kazuhiro Ayukawa

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Abstract: There are various countermeasures against eutrophication, and one of them is bubble circulation. Although “the bubble plume generated by aeration is classified into several patterns by Asaeda and Imberger [1]”, detailed flow is not understood. Therefore, we studied aeration in a subtropical small reservoir in the summer and compared the surface jet radius (distance from the upwelling point of the water body to the plunging point) to the “Ozmidov length [2]”.


Year: 2018

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