20+ 



F 15 



R 



E 



Q 



N 

 C 

 Y 



5-1- 



WLIS 

 hUGUST 1981 



N = 3i3 



I 



i.+.4-|..+._l_.lfi 



-(— h-h-f 

 5.6 4.4 5.2 



4 1 .2 2.0 2 



BOUNDARY ROUGHNESS (CM) 



26-1- 



F 15-h 

 R 



E 

 Q 



U 



£ 10-- 



N 



C 



Y 



5-- 



WLIS REF 

 AUGUST 1985 



N = 20 



ll 



4 1.2 2.0 2.8 .3.6 4.4 5.2 

 B U N D A R Y R U G H t-l E S S ( C M > 



Figure 3-7. The frequency distributions of boundary roughness 

 values for WLIS and WLIS REF in August 1985. 



22 



