← : 10 cm/s
← : 2 cm/s
v
a. Average surface veloci-
b. Average surface veloci-
ties of water flow in the
ties of water flow in the
confluence of rectangular
confluence of alluvial bed
channels (see Fig. 16 for
channels.
an explanation of point
A).
c. Instantaneous surface
velocities for water flow in
the confluence of rectan-
gular channels.
← : 10 cm/s
Figure 14. Water surface velocities.
20
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