水産工学
Online ISSN : 2189-7131
Print ISSN : 0916-7617
ISSN-L : 0916-7617
増養殖漁場の海水交流・交換機構及び水質改善工法の開発に関する研究
萩野 静也
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ジャーナル オープンアクセス

2003 年 39 巻 3 号 p. 177-184

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Seawater exchange and mixing between the inner and outer side of a bay are important factors controlling its marine environment and productivity. Studies on the hydraulics of stratified culture grounds are very few, and many things still remain unknown. A study on seawater exchange due to intemal tide and intrusion of density front has been carried out on the basis of observed oceanographical conditions from yellowtail culture grounds in Nomi Bay and the scallop culture farm at Lake Saroma in the season when stratification occurs. Moreover, a density current ditch method that can promote the seawater exchange of fishing ground utilizing density current has been proposed. Its effectiveness was examined using a hydraulic model experiment.

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© 2003 日本水産工学会
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