Outflow of water from Funka Bay,Hokkaido, during early spring |
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| Authors: | Hideo Miyake Iori Tanaka Takashi Murakami |
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| Institution: | 1. Faculty of Fisheries, Hokkaido University, Minato 3-1-1, 041, Hakodate, Hokkaido, Japan
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| Abstract: | Observations were made to study the oceanographic structure of the dense water formation and its outflow from Funka Bay, Hokkaido, during early spring. The winter Funka Bay water, which was transformed from the warm water of the Tsugaru Current, due to cooling and deep convection during the winter, flowed from the bay, while forming a frontal structure. The width and inclination of the density front were about 3 n. miles and 1.4×10?2, respectively, during the early spring of 1982. These values roughly coincided with calculated values of 2.6 n. miles and 1.7×10?2 using the sill flow model proposed by Whiteheadet al. (1974). Observed current speeds and directions were also similar to those predicted by the model. The renewal time of bay water with this flow was estimated to be about 51 days, which is consistent with the results of previous studies. |
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