

-^cfe^'mv 



"r-S, 



""^"^ 



■*««--H^ 





*'../ 



SCALE or NAUTICAL 

 MILES PER HOUR 



\ARROWS INDICATE^ DIRECTION AND 

 VELOCITY Of\cuRRENTS 



220° 



260° 



FIG.22-CURRENT-CHART, PACIFIC OCEAN, FROM OBSERVATIONS OF SALINITY AND TEMPERATURE 

 OF SEA WATER BY THE CARNEGIE , 1928-1929 



FIG. 23-PACIFIC CURRENTS IN NORTHERN SUMMER FROM PRELIMINARY SKETCH BY A. MERTZ 



LONGITUDINAL CROSS-SECTION; * NORTHERLY POLAR FRONT; 'l SOUTHERNLY POLAR FRONT; 



SUBTROPICAL CONVERGENCE: 



■LIMITS OF EQUATORIAL COUNTER-CURRENT 



138 



