52° 51" 50° 49° 48° 47° 46° 45° 



50° 49° 48° 47° 46° 45° 



Figure 19. — Dynamic topography of the sea surface relative to the 1000-decibar 

 surface from data collected 4-18 April 1957. Oceanographic station 

 positions are indicated and the station numbers given at turning points. 



84 



