In: Civil Engineering
Q
QUESTION 2
The data in the table below was produced by a storm of 2-hour duration considered to have uniform intensity over a catchment. If the catchment area is 10,400 hectare, determine the unit hydrograph for the catchment.
Use fixed base separation method for the baseflow separation.
Table Q2
Time |
Flows, Q |
(hour) |
(m3/s) |
0600 |
40 |
0800 |
35 |
1000 |
170 |
1200 |
260 |
1400 |
266 |
1600 |
226 |
1800 |
188 |
2000 |
157 |
2200 |
130 |
2400 |
108 |
2600 |
91 |
2800 |
76 |
3000 |
64 |
3200 |
54 |
3400 |
46 |
3600 |
38 |
3800 |
32 |
4000 |
27 |