フクトコブシ漁場と波浪循環流〔英文〕

概要

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Field observations and analysis of wave-induced circulation in Masawa, Hachijyo Island were made and the generating meachanism of the circulatin was investigated by introducing the radiation stress conept. Our results show that circulation cells exist constantly, and the differences between the gradient of the radiation stress and mean water level gradient, which are the driving forces to induce wave current, are produced by the differences of local wave height assoiated with the rafrac-tion of wave due to the undulation of seabottom topography. The survey results show that when the offshore current flwo is great, the circulation cell on the downstream side is strengthened, while that on the upstream side is weakened. More over, in the clodkwise and anticlockwise cell forming area, the marine algae community and the area densely inhabited by ormer Sulculus diversicolor diversicolor correspond well with one another.
日本水産學會の論文