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to the east and the Scotia Basin to the west. To the north is the Brazil Basin, with the two basins being separated by the Rio Grande Rise. The southern edge of the
Argentine Basin is formed by the Falklands/Malvinas Escarpment. The Argentine Basin has an average depth of 5,000 m
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Antarctic Bottom Water current, which dominates the circulation in the abyssal layer of the southwest Atlantic, enters the southwest part of the Argentine Basin, then is deflected northward along the continental rise. It passes into the Brazil Basin through the Vema Channel (39°
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Johnson, David A.; Ledbetter, Michael; Burckle, Lloyd H. (1977). "Vema
Channel Paleo-Oceanography: Pleistocene Dissolution Cycles and Episodic Bottom Water Flow".
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W) to the west of the Rio Grande Rise. Here, the current reaches velocities of 20–25 cm/s.
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at the base of the
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