3 - 



Si 2 





i i i i i i i i i i i i i 



Hj/d, 



T" 1 " 1 





^ 0.010 



















y 







y 







y 







S - 







s -*^ 







/ -^"^ 







/ ^-"^ 







/ ^x<C^— — Locus of Maximum 



— 









/ s^ Wave Enhancement 







,#\ 





- 



/^l *\ ^^ 0-025 



'A \ N v 



- 



// 





/j 

 -// 



\N x -- 





if 



■^--^ 





if 



X v >-. 0.050 





- 



x *-^.. 



- 

















1 1 1 1 1 1 1 1 1 1 1 1 1 



I 



2 3 4 5 6 7 8 9 10 II 12 13 14 15 16 



Figure 2 9. Wave enhancement (from Street, Burgess, and 

 Whitford, 1968). 



