ハワイ諸島南方海域における海洋調査 V

The oceanographical observations were made by the Keiten Maru in the southwestern waters of the Hawaiian Islands in May and June, 1981, and in May, 1982. In 1981, the remarkable upwelling was found at 20°N, 163°W, and the strong current flows southward at the eastern side of the upwelling area with a maximum velocity of about 40 cm/sec or more. The North Equatorial Current was found at south of 17.5°N along the meridional section of 166°W. It's current velocity was 15 cm/sec and it was slower than that of the northward and the southward flows on the latitudinal section of 20°N. In 1982, no remarkable feature of oceanic structure was found along the latitudinal section of 20°N