24° 



162° 



22° 



20° 



18° 



162° 160° 158° 156° 154° 



Figure 33. --Bathymetric chart (depth in meters) of the 26.5 

 sigma-t surface, H. M. Smith cruise 21, August 1953. 

 Contour interval 20 m. Dashed lines indicate the salinity 

 ( /oo) distribution on the surface with contour intervals of 

 0.05 /oo. 



24° 



162° 



160° 



22° 



20° 



18° 



158° 



156° 



CURRENT SPEED IN CM/SEC 

 AT 21° N 



162 



154' 



24' 



22= 



20° 



Figure 34. --Dynamic height soiomalies (dynamic meters) at 

 250 m. relative to 500 m. , H. M. Smith cruise 21, August 

 1953. Contour interval 0. 02 dynamic meters. 



58 



