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As regards the eddies occurring in the origination region of the Kuroshio (west of 130° E), the earliest informations were reported by R. Shigematsu (1932) and K. Koenuma (1936) respectively. From the data observed in the twenties, they pointed out that there was a warm eddy located to the right side of the Kuroshio in the Luzon Strait. Using the data obtained from the fourties through the sixties, Nitani further convinced the existence of the warm eddy. During the latest two decades, observations of the area south of the Nansei Islands on board of R/V Chofu Maru (1965, ’66, ’67) and Hakuho Maru (1974, ’75) also revealed the existence of warm and cold eddies, but few works on “eddies” are reported, so far as we know.
As regards the eddies occurring in the origination region of the Kuroshio (west of 130 ° E), the earliest informations were reported by R. Shigematsu (1932) and K. Koenuma (1936) respectively. From the data observed in the twenties, they pointed out that that was was warm eddy located to the right side of the Kuroshio in the Luzon Strait. Using the data obtained from the fourties through the sixties, Nitani further convinced the existence of the warm eddy. During the latest two decades, observations of the area south of the Nansei Islands on board of R / V Chofu Maru (1965, ’66, ’67) and Hakuho Maru (1974, ’75) also revealed the existence of warm and cold eddies, but few works on “eddies ”are reported, so far as we know.