Sediment Movement in Alluvial Rivers - River Dynamics and Integrated River Management - page 300

Table 5.2 Stage reduction at a discharge of 500 m 3 /s due to main channel bed erosion resulting from four
hyperconcentrated floods in the Weihe River (after Zhao and Ru, 1994)

Stage reduction for Q =500 m 3 /s at the following stations (m)

Reduction in deepest
point

Time

Lin-tong Jiao-kou Sha-Wang Hua-yin Chen-cun Hua-xian Diao-qiao

12-17 Aug.
1964

0.50 0.40 0.70 0.60 0.10

26-31 July
1966

0.4-3 m at 10 cross
sections

0.90 0.60 1.20 0.50 0.80 1.40 1.40

02-10 Aug.
1970

0.6-3.7 m at 10 cross
sections

0.30 0.45 0.60 0.32 0.80 0.70

06-10 July

1977 0.70 1.30 1.90 2.00 0.4-3 m at 19 cross

sections
Note: Data from the Hydrological Data of the Yellow River, Yellow River Conservancy Commission. Jiaokou and
Shawang stations are located between Lintong and Huayin stations and Chencun is located between Huayin and
Huaxian stations

Fig. 5.39 Stage-discharge relation of hyperconcentrated floods at the Huayuankou station on the lower Yellow
River

Fig. 5.40 Stage-discharge relation of the hyperconcentrated floods on August. 23 - 25 and August. 25 - 31, 2004 at
the Aishan station on the lower Yellow River, in which the stage-discharge relation of a man-made flood (July 4 - 13,
2004) is shown in the figure for comparison