Reflection Coefficient 



-5r- 



^ 5 



10 



15 



•^ 20 



25 



30 



- -0.7-ft Contour Intercept 



Range I 



Range 3 



Range 5 



50 100 150 



Cumulative Time ( hr) 



0.30 



0.25 



0.20 



0.15 



0.10 



0.05 



-"0 



200 



Figure 21. Comparison of the -0.7-foot contour position and K^ 



50 



