al 
9 
8 
7 
Xe) 
6 
s = 0.087 exp ( - 10.42 - Y) 
5 
¥ 
a oO 
mart e 
fe) 
uJ 
= 3 
eS fe) 
Ww 
> 
= 
@)an2 
o 
pea | 
uJ 
= re) oO 
oi 
fe) 
Oo 
O 
Or 
O 
O 0.05 0.10 0.15 0.20 0.25 
Y, ELEVATION ABOVE CREST OF BED DUNES (ft) 
Figure 23. Velocity scale versus elevation for flume velocity, 
U5 = 0.353 foot per second. 
58 
