Antarctic Bottom Water Flow through the Eastern Part of the Philip Passage in the Weddell Sea

Abstract—Measurements of currents and Antarctic Bottom Water properties overflowing the sill from the Weddell to the Scotia Sea are described. The bottom water overflows the sill of one of the passages through the South Scotia Ridge (eastern part of the Philip Passage approximately at 48° W). A weak flow of Weddell Sea Deep Water to the north was found. The northward flow was recorded only in the western part of the passage, which is 14 km wide. The velocity of the flow is 4 cm/s; the bottom water transport is 0.1–0.2 Sv.