3. Given below are observed flows from a storm of 6-h duration on a stream with catchment area of 500 km^2. Assuming the base flow to be zero. Derive the ordinates of the 6-h unit hydrograph. Time (h) Discharge (m3/s) 0 0 6 100 12 250 18 200 24 150 30 100 36 70 42 50 35 54 60 66 72 25 15 5 0

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3. Given below are observed flows from a storm of 6-h duration on a stream with catchment
area of 500 km^2. Assuming the base flow to be zero. Derive the ordinates of the 6-h unit
hydrograph.
Time (h)
Discharge
(m^3/s) 0
0
6
100
12
250
18 24 30 36 42 48 54
200
150
100
70
50
35
25
60
15
66
5
72
0
Transcribed Image Text:3. Given below are observed flows from a storm of 6-h duration on a stream with catchment area of 500 km^2. Assuming the base flow to be zero. Derive the ordinates of the 6-h unit hydrograph. Time (h) Discharge (m^3/s) 0 0 6 100 12 250 18 24 30 36 42 48 54 200 150 100 70 50 35 25 60 15 66 5 72 0
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