216 



WATER MASSES AND CURRENTS OF THE OCEANS 



by admixture of intermediate and bottom water that the saUnity maxi- 

 mum has disappeared. 



BUSHNETLL 



; V^ \\-j__34.4 ^^f.^^ — ' ?.-), " -^C:— -34.2-'-' , 



^^^1q5 



\^v_-'-346^^ 



34.^ 



-34.2- 

 "34.4 



-34 6^ 



70° S 60 



Fig. 61. Vertical sections showing distribution of temperature, salinity, and 

 oxygen in the Pacific Ocean, approximately along the meridian of 170°W. 



The more or less closed systems of the deep-water circulation that 

 are present in the Southern Hemisphere between the Antarctic Ocean 

 and the Equator are related to the fact that near the Equator all ocean 

 currents tend to flow in east-west directions and that transport of water 

 across the Equator takes place only when required to maintain the same 



