Open Channel Flow - Sediment Transport in Irrigation Canals: A New Approach - page 30

A 2

y c

Adverse slope

A 3

y n

H 2

Horizontal Bottom

y c

H 3

M 1

Mild slope

M 2
M 3

y n

y c

C 1

Critical slope

C 3

y n = y c

S 1

Steep slope

S 2

S 3

y c
y z

Figure 2.12. Summary of
water surface profiles in wide
canals ( R

= y and q = Q/B ).