Geoscience Reference
In-Depth Information
1.0x10
-3
1.0x10
-4
1.0x10
-5
Present Method
Yen et al. (1985)
Bousmar & Zech (1999)
1.0x10
-6
0.2
0.3
0.4
0.5
0.6
0.7
0.8
H
f
/H
m
Fig. 2.
Friction slope due to interfacial shear force for plain compound channel flow.
0.000 25
0.000 20
0.000 15
0.000 10
upper limit proposed byYen
etal.
(1985)
0.000 05
0.2
0.4
0.6
0.8
H
f
/H
m
Fig. 3.
Interfacial eddy viscosity.
0.55
0.5
ε=
0m
2
/s
0.45
1.0
10
−4
ε=
m
2
/s
Present method
×
0.4
0.35
0.3
0.25
1000
900
800
700
600
500
400
300
200
100
0
Distance from downstream (m)
Fig. 4.
Discharge in the floodplains.
