s= 0.1160 exp (-10.86: Y) 
S| VELOCITY SCALE (ft/s) 
Oo 
~ o o2 
O 0.05 0.10 OAS 0.20 0725 
Y,, (ELEVATION: ABOVE: CREST OF BED DUNES 4( ft, 
Figure 25. Velocity scale versus elevation for flume velocity, 
U, = 0.748 foot per second. 
60 
