LIST OP FIGURES 



Pla-ure 1 Temperature changes over 3 'days due to loss of 

 heat from oceans to atmosphere. 



Figure 2 Change In thermal structure due to turbulent 

 mixing. 



Figure 3 Pyrheliometer record, 1600-1300Z, 22 April 19^1. 



Figure l\. BT trace, 0500Z, 20 April 1951. 



Figure 5 Transparency station, 23 April 1951* 



Figure 6 Energy spectrum of radiation from sun and sky 

 at the surface. 



Figure 7 Change in temperature distribution due to 

 radiation, 20-2? April 19^1. 



Figure 8 Change in tempereture distribution due to 

 heat exchange with atmosphere and due to 

 convection, 20-2? April, 1951. 



Figure 9 Change in temperature distribution due to 

 mixing, 20-2? April 1951. 



Figure 10 BT trace, 2000Z, 27 April 1951. 



Figure 11 Generation of internal wavos by an undersea 

 ridge. 



Figure 12 Mean monthly mixed layer depths for weather 

 ship COCA. 



Figure 13 Mean monthly mixed layer depths for weather 

 ship DiiLTA. 



Figure ll|. Mean monthly mixed layer depths for weather 

 ship ECHO. 



Figure 15 Mean monthly mixed layer depths for Pacific 

 weather ship NECTAR. 



Figure 16 Mean monthly mixed layer depths for Pacific 

 weather ship GOLF. 



Figure 17 Mean monthly mixed layer depths for Pacific 

 weather ship PAPA. 



XI 



