. Discovery reports. Discovery (Ship); Scientific expeditions. RHINCALANUS GIGAS 289 Scotia Sea south of South Georgia and in the South Atlantic east of South Georgia the waters of the two origins mix. Beneath the surface water in the Weddell Sea is a warm deep current flowing west- wards into the Weddell Sea from the Indian Ocean south of 66° S and east of 15° E. It follows the clockwise course of the surface water in the Weddell Sea and flows out as a cold deep current (cooled on its passage around the Weddell Sea) towards the South Sandwich Islands. "As soon as it meets warm deep water
. Discovery reports. Discovery (Ship); Scientific expeditions. RHINCALANUS GIGAS 289 Scotia Sea south of South Georgia and in the South Atlantic east of South Georgia the waters of the two origins mix. Beneath the surface water in the Weddell Sea is a warm deep current flowing west- wards into the Weddell Sea from the Indian Ocean south of 66° S and east of 15° E. It follows the clockwise course of the surface water in the Weddell Sea and flows out as a cold deep current (cooled on its passage around the Weddell Sea) towards the South Sandwich Islands. "As soon as it meets warm deep waters of Pacific or Atlantic origin it both sinks below them and mixes with them" (Deacon, 1933, p. 229).. Fig. 5. Isotherms (°C.), calculated from the average temperature of the surface 100 m., in the Falkland Sector of the Antarctic, November 1931 to mid-January- 1932. With regard to the area traversed during the circumpolar cruise outside the Falk- land Sector, only two hydrological features, in addition to the two layers of water already described (Antarctic surface water and warm deep water), are of interest to us in the present report. The first of these is the West Wind Drift which forms a continuous easterly movement of Antarctic surface water, with a strong northerly component, all round the Antarctic Continent. The second is the exactly opposite movement which takes place round the Antarctic Continent in the region of easterly winds south of about 65° S. This current, flowing westwards around the coast of Antarctica, is known as the East Wind Drift, and it is this current which flows into the Weddell Sea south of 66° S and out of it again along the east coast of Graham Land as the north-easterly Weddell Sea current. The boundary between the West Wind and East Wind Drift currents is. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not
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