Abstract
In summer 1995, the Alaskan Stream at 173.5W was very intense; the peak geostrophic speed was ∼ 125 cm s -1 , and the computed volume transport above 1000 db, referred to 1000 db, was 9 × 10 6 m 3 s -1 . Flow north of the central Aleutians was shallow, convoluted and weak (2-3 × 10 6 m 3 s -1 ). A sequence of CTD casts across Amukta Pass, spaced irregularly in time during 1993-1996, showed a mean northward (southward) geostrophic transport of 1.0 (0.4) × 106 m 3 s -1 , for a net flow into the Bering Sea of 0.6 × 10 6 m 3 s -1 . The source of this flow was the Alaskan Stream except in 1995, when it was Bering Sea water. Results from two 13-month current moorings west and east of the pass were quite different. To the west, flow was weak and variable and appeared to have a barotropic component. To the east, flow was stronger and unidirectional eastward.
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