Geoscience Reference
In-Depth Information
measured data. Because of deposition, the simulated peak sediment concentration at
Jiahetan corresponding to the peak flow decreased to 45.57 kg
m
−
3
, compared to the
·
m
−
3
. The time delay between peak flow and sediment con-
centration was 34.5 and 37.5 hr at the inlet and outlet, respectively, and exhibited a
trend of increasing downstream. Fig. 6.10 shows the simulated flow field correspond-
ing to a flow discharge of 4,000m
3
s
−
1
at Huayuankou. The vectors represent the flow
direction and magnitude, while the contours denote the flow depth. It can be seen that
the main flowmeanders in the river and interacts with the flow in floodplains. Fig. 6.11
compares the measured and simulatedmaximumwater levels in various stations during
this flood, showing a generally good agreement.
measured value of 40.7 kg
·
Figure 6.10
Simulated flow field at flow discharge of 4,000m
3
s
−
1
at Huayuankou (Wu
et al
., 2006).
Figure 6.11
Measured and simulated maximum water levels.
