

o 



DEPTH (FEET) 



ui ^ 



o o 



o o 



SURFACE 

 TEMP °F 



n — I — r 



_L 



J 1 L 



Fig. 5. --H. M. Smith cruise 1. Upper panel - variation of the surface temperature with time, 

 Lower~panei - variation in depth of isotherms with time from bathythermograph lowerings 

 made December 13, 1949 while drifting from 19°41'N.. 156°15'W. to 19°43'N.. 156°20'W. 



27 



