The Lacey’s scour depth R given by equation R = 0.473 (Q/f)1/3 is applicable when the river width is equal to ___________
A. actual river width
B. regime width
C. any contracted width
D. span length
Answer:B
The Lacey’s scour depth R given by equation R = 0.473 (Q/f)1/3 is applicable when the river width is equal to ___________
A. actual river width B. regime width C. any contracted width D. span length