海洋理工学会誌
Online ISSN : 2188-3262
Print ISSN : 1341-2752
ISSN-L : 1341-2752
寄稿
漁業者参加型海洋観測データと沿岸海況モデル―壱岐島周辺海域における冷却期の塩分変動特性―
滝川 哲太郎金嶽 眞琴伊藤 毅史広瀬 直毅
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2019 年 25 巻 1 号 p. 15-20

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Spatiotemporal variations of warm and saline water around Iki Island in the Tsushima Straits from October 2016 to March 2017 were described using the CTD data by fisherman and the non-assimilated coastal ocean numerical model. The band of saline water flowed not only mainly through the center of the eastern channel in the Tsushima Straits but also intermittently through the Iki channel. Consequently, although the salinity was increasing in the Tsushima Straits toward the winter, the salinity increasing in the Iki channel lagged behind surrounding water. When the many observational data by fisherman are assimilated in the coastal ocean numerical model, it is desirable that the short spatiotemporal variations of ocean front associated with like the saline band can be reproduced and forecasted.

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