Page 



Figure Ik, Frequency Distributions and Means of At and 



Temperature Gradient (G-t) Per Foot in the 



Thermocline _ 28 



Figure 15 . Graph of Parameters 77 and h Versus k for 



Stability Index At = 2° F_ 31 



Figure l6. Graph of Parameters 17 and h Versus k for 



Stability Index At = 5° F_ 33 



Figure 17. Graph of Parameters 77 and h Versus k for 



Stability Index At = 7° F_ 35 



Figure 18. Graph of Parameters 77 and h Versus k for 



Stability Index At = 9° F_ 37 



Figure 19 . Graph of Parameters 77 and h Versus k for 



Stability Index At = 11° F 39 



Figure 20. Graph of Parameters 77 and h Versus k for 



Stability Index At = 13° F 41 



Figure 21. Graph of Parameters 77 and h Versus k for 



Stability Index At « 15° F 43 



Figure 22. Graph of Parameters 77 and h Versus k for 



Stability Index At = 17° F 45 



Figure 23. Empirical Points of k Versus 77 for At = 7° F . . . 48 

 Figure 24. Relationship of Typical Assumed Convergent and 



Divergent Fields as Applied to Pressure Systems 



for Choice of 77 Curves 49 



Figure 25. Relationship of Typical Assumed Convergent and 



Divergent Fields as Applied to Pressure Systems 



for Choice of 77 Curves 50 



Figure 26. Frequency Distributions of Density Changes in 



the Thermocline 54 



Figure 27. Frequency Distributions of Density Changes in 



the Thermocline 55 



Figure 28. Comparison of k(rj) Points for a Weak Thermocline 



to the Normal k'77) Curve for St " 11° F 58 



Figure 29. Conversion of the Weak Thermocline to the 



Interface Between the Mixed Layer and the 



Main Thermocline 58 



Figure 30. Monthly Frequency Distribution of Stability Index At 



at Ocean Weather Station CHARLIE 62 



Figure 31 • Monthly Frequency Distribution of Stability Index At 



at Ocean Weather Station DELTA 63 



Figure 32. Monthly Frequency Distribution of Stability Index At 



at Ocean Weather Station ECHO 64 



Figure 33^ Normal Wind Field at a Prediction Point 68 



Figure 34. Convergence Effect Caused at a Prediction Point. . 69 

 Figure 35. Divergence Effect Caused at a Prediction Point . . 70 

 Figure 36. Frequency Distribution of Errors Between 



Predicted or Hindcast Depth and Observed 



Thermocline Depth at Ocean Weather Stations ... 75 



