The amount of water carried by this current is indicated by the 
computed average annual volume transport of about 4,445,000 x 107 m3 
in Drake Passage and about 6,000,000 x 10? m3 between South Africa and 
Antarctica. 
Because of variations in the strength of the wind, the northern 
boundary of the West Wind Drift at about 40°S is not well defined. 
Observations in this area show a significant flow toward the northeast 
and north where the West Wind Drift joins the east-setting South Atlantic 
Current. 
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