OCEAN CURRENTS 



167 



no remarkable cooling of the deeper layers, and, so far as they 

 go, the records show no trace of the submergence of the 

 Labrador Current. 



There can be no doiibt that the Labrador Current flows 

 over the eastern edge of the Grand Bank. The water tempéra- 

 ture and the présence of drift-ice and icebergs confirm this. 

 The current runs south-south-west. A mass of icebergs also 

 drifts to the southern extremity of the bank, and some of thèse 

 drift westerly into the steamer route. One such caused the 



FiG. 31. — Surface Températures on the Newfoundland Banks. 



(DiNKLAGE.) 



loss of the Titanic on April 15, 1912, in 41° 16' N. Lat. and 

 50° 14' W. Long, (see Fig. 31). 



Icebergs hâve been observed from and in the vicinity of 

 Sable Island (south of Nova Scotia). In winter and early 

 spring drift-ice, but no icebergs, comes out of the Gulf of St. 

 Lawrence with the Cabot Current, and goes south and west. 



The drift-ice charts, especially in years when ice is 

 abundant, show by the distribution of icebergs that the Grand 

 Bank is by no means free from currents. The southern and 

 eastern limits of ice in the North-Western Atlantic vary from 



