FIGURE 5-5. 



SIMPLE THREE-LAYERED OCEAN IN WINTER 

 SHOWING RELATIVE VOLUME IN EACH ZONE 

 (NATIONAL DEFENSE RESEARCH COMMITTEE 

 V. 6A, 1946). 



LATITUDE 



60° 



Jo 0.5 



§1.0 



X 

 1— 

 a. 



UJ 



Q 1.5 



40" 



I 



,11 III SURFACE LAYERI I I I I I I 1^ 



■^ ' ' III 1 1 1 1 1 1 li;,' ' '^ 



MAIN THERMOCLINE: 



10° 



2.0 



DEEP WATER 



50 



