Discovery reports (1962) Discovery reports discoveryreports30inst Year: 1962 ZOOGEOGRAPHY 211 LATITUDE JANUARY 1939 STATION NO. 2547 2545 I soo 4000m 4500„ Text-fig. 18. Distribution of salinity (0) between 700 S. and 40° S. in the region of the Greenwich Meridian, January 1939. ' a small southward movement', which ' causes the south-west coast of the island to be bathed with water from the Bellingshausen sea current whilst the Weddell Current is held off shore' (Deacon, 1937, p. 32). North-east of South Georgia, movement is more to the north and the Weddell Current normally has an impor
Discovery reports (1962) Discovery reports discoveryreports30inst Year: 1962 ZOOGEOGRAPHY 211 LATITUDE JANUARY 1939 STATION NO. 2547 2545 I soo 4000m 4500„ Text-fig. 18. Distribution of salinity (0) between 700 S. and 40° S. in the region of the Greenwich Meridian, January 1939. ' a small southward movement', which ' causes the south-west coast of the island to be bathed with water from the Bellingshausen sea current whilst the Weddell Current is held off shore' (Deacon, 1937, p. 32). North-east of South Georgia, movement is more to the north and the Weddell Current normally has an important influence off this coast of the island. East of the Greenwich Meridian in the higher latitudes, the East Wind Drift flows westward along the Antarctic continent into the Weddell Sea. Antarctic Surface Water extends northwards until it meets and mixes with the warmer, lighter Sub-Antarctic Surface layer, and sinks below it along a well-marked line, the antarctic con- vergence. The position of the convergence can normally be recognized by a sharp change in surface temperature. In summer, when the convergence is crossed from south to north, an increase from 30 7-2
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