1II. Sediment Transport
in which •
U*,c
d
Z
K
(%1 ~ (Z2
= current-related bed-shear velocity
= water depth
= vertical coordinate
=von Karman constant (0.4)
= constant
59
.I; 2
"G 6
,e...
"~ 4
0
U
~" 2
0
3
=_ 16
8
lit
6
t
4
!
T'4 j
0
!
,,,
0.2
ws
u~
0.101
0.179
0.2O9
0.291
0.342
0.376
0.462
0.538
0.585
0.696
0.810
0.897
t
O.4
Q
e
G
®
®
®
0
@
®
®
e
l
0.6
Z
•
height. -~
)lic fluid I
coefficient
).8
,Es
1.O
Fig. 4 : Sednnent mixing coefficient distribution (Coleman, 1970).