T°C 

 12 14 16 18 20 22 24 26 28 



100 



400 



34 

 350 



Fig. 7. -- Upper panel. Bathythermograph traces from five Hugh M. 

 Smith cruises, various longitudes, showing temperature inversions 

 at or near the Equator. Lower panel . Temperature-depth and sa- 

 linity curves, Hugh M. Smith cruise 16, 0°28'N, 150°01'W., August 8, 

 1952. 



