s, VELOCITY SCALE (ft/s) 
Oo 
~ o@ 02 
O 0.05 0.10 0.15 0.20 OXZS 
Y, ELEVATION ABOVE CREST OF BED DUNES (ft) 
Figure 24. Velocity scale versus elevation for flume velocity, 
U, = 0.510 foot per second. 
39 
