Figure 16. — Dynamic topography of the sea surface relative to the 1000-decibar 

 surface from data collected 11-14 July 1955. Oceanographic station positions 

 are indicated and the station numbers given at turning points. 



currents. There was evidence that exceptionally vigorous wind 

 sthring took place prior to this survey and over nearly the entire 

 surveyed area there was a mixed surface layer about 50 meters in 

 thickness. The northward moving water at the extreme western part 

 of the survey is regarded as a compensating eddy associated with an 

 increase in the strength of the Labrador Current. The temperatures 

 support the presumption of an increase in the Labrador Current prior 

 to this survey if it is also assumed that the initially weak current had 

 warmer temperatures than usual and that a strengthening of the cur- 

 rent would tend to erase such anomalies. The minimum temperatures 

 observed in the several sections across the Labrador Current were, 



67 



