Q4-The stream flows due to three successive storms of 2.9, 4.9 and 3.9 cm of 6 hours duration each on a basin are given below. The area of the basin is 118.8 km². Derive a 6-hour unit hydrograph for the basin. An average storm loss of 0.15 cm/hr can be assumed. 0 Time (hr) Flow (cumec) 20 3 50 6 92 140 12 199 16 202 18 204 21 144 24 84.5 27 45.5 30 29 33 20

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Q4-The stream flows due to three successive storms of 2.9, 4.9 and 3.9 cm of 6
hours duration each on a basin are given below. The area of the basin is 118.8 km².
Derive a 6-hour unit hydrograph for the basin. An average storm loss of 0.15 cm/hr
can be assumed.
Time (hr)
0
Flow (cumec) 20
3
50
6
92
9
140
12
199
15
202
18
204
21
24
84.5
27
30
33
45.5 29 20
Transcribed Image Text:Q4-The stream flows due to three successive storms of 2.9, 4.9 and 3.9 cm of 6 hours duration each on a basin are given below. The area of the basin is 118.8 km². Derive a 6-hour unit hydrograph for the basin. An average storm loss of 0.15 cm/hr can be assumed. Time (hr) 0 Flow (cumec) 20 3 50 6 92 9 140 12 199 15 202 18 204 21 24 84.5 27 30 33 45.5 29 20
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