Table 7. Summary of gully velocity and discharge data.
Monthly range
Monthly range
Monthly range
in average
Peak
Average
Peak
in average
in average
Tide
velocity
velocity
TSS
TSS
water discharge
sediment discharge
(m3/s)
Gully
stage
(cm/s)
(cm/s)
(mg/L)
(mg/L)
(kg/s)
B
Flood
8.5015.83
42.39
280780
2251
0.500.94
0.140.53
Ebb
9.0475.41
207.5
0.544.47
0.201.81
Parachute
Flood
7.6326.67
66.96
422972
2518
0.963.36
0.301.99
Ebb
4.5652.47
96.02
0.576.60
0.182.79
In-Between
Flood
2.2315.45
75.16
292999
2787
0.161.11
0.081.04
Ebb
3.4625.07
97.29
0.251.81
0.121.62
Bread Truck*
Flood
22.629.9
71.1
1701186
2152
1.241.64
0.231.95
Ebb
74.081.0
146
4.074.46
1.953.60
Mortar
Flood
2.753.26
15.34
251856
1973
0.120.15
0.030.12
Ebb
7.759.93
31.62
0.350.45
0.080.30
*Based on 1994 measurements.
200
In-Between Gully
Mortar
Parachute
B Gully
Bread Truck
100
0
4
5
6
a. Flood currents
Maximum Water Elevation (m)
200
(207)
In-Between Gully
Mortar
Parachute
B Gully
Bread Truck
100
0
4
5
6
b. Ebb currents
Maximum Water Elevation (m)
Figure 22. Relationship between peak velocity and maximum water elevation at selected sites.
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