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Direct measurement of current variability at the Pacific entrance of Indonesian Throughflow was made from March 1994 to June 1995. Data was acquired from the moorings with three current meters (at the depth of 350 m, 550 m and 1050 m) and one CTD (260 m) deployed during KAIYO WOCE II cruise at the station of 4°1'N, 127°31'E (St. TMN) and 3°11'N, 128°27'E (St. TMS) between Talaud Islands and Morotai Island.
At St. TMN, retroflected flow of the Mindanao Current, carrying low salinity water originating from the North Pacific, was seen oscillating with the period of two months. Around St. TMS, high salinity tropical water from the South Pacific existed from spring to autumn and entered into the Maluku Sea by westward flow. However, the North Pacific low salinity water was observed with the strong northwestward flow during winter at St. TMS.
by Yuji Kashino1, Hidetoshi Watanabe2, Hatsuyo Yamaguchi2, Bambang Herunadi3, Kentaro Ando1, Michio Aoyama4, Humio Mitsudera1, Syaefudin3 and Kei Muneyama1
1 Japan Marine Science and Technology Center, Japan
2 Sanyo Techno Marine Inc., Japan
3 Badan Pengkajian Dan Penerapan Technologi, Indonesia
4 Meteorological Research Institute, Japan
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