30°N 



,STERIC HE._^^,^ 

 RELATIVE 400iyi 



L lQng term 



IO°N 



120° 



— NECC: 



j_l2^ 



iT^n^-t [-H-i I t I . I . I I I I I ill t I 1 



140° 



L I Vi 1 ■ L.i>i-tTi-4rt^~f~^ 1 



20°N 



0°N 



-r 



180° 



2 5''-75°Not I35°E 



NECC 



(NORTH EQUATORIAL COUNTER CURRENT) 



20°-25°N at I35°E 



sec 



I-/ \ / 



/. (SUBTROPICAL COUNTER CURRENT).. ;\ \ '-\ . 



I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I iV I II I I I I I II I iV I I iN I I I I I I I I 



"■ I M I I I I I I I I I I M I II I I I I I M I I I I I M I M I M II M I I I I II M I I II I I I I V I I I I I II I I I 



I234I234I234I23 4I234I234I234I234I234I234I234I234I234I2341234I234I234I234I234I234I234I 

 1954 1955 1956 1957 1958 1959 I960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 



Figure 10. — Annual steric height anomaly in dynamic meters and 20-year record of relative surface current speed for major 

 currents. 



26 



