162° 



160° 



158° 



156° 



154° 



Figure 31. --Bathymetric chart (depth in meters) of the 24.5 

 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. 



162 



Figure 32. --Dynamic height anomalies (dynamic meters) at 

 the surface relative to 250 m. , H. M. Smith cruise 21, 

 August 1953. Contour interval 0.02 dynamic meters. 



57 



