Example 4. Following are the ordinates of a storm hydrograph of a river draining a catchment area of 423 km² due to a 6-h isolated storm. Derive the ordinates o fa 6-h unit hydrograph for the catchment Time from start of storm (h) 6. 12 18 24 30 36 42 48 Discharge (m³/s) 30 10 10 87.5 115.5 102.5 85.0 71.0 59.0 47.5 Time from start of storm (h) 54 60 66 72 78 84 90 96 102 Discharge (m³/s) 39.0 31.5 26.0 21.5 17.5 15.0 12.5 12.0 12.0
Example 4. Following are the ordinates of a storm hydrograph of a river draining a catchment area of 423 km² due to a 6-h isolated storm. Derive the ordinates o fa 6-h unit hydrograph for the catchment Time from start of storm (h) 6. 12 18 24 30 36 42 48 Discharge (m³/s) 30 10 10 87.5 115.5 102.5 85.0 71.0 59.0 47.5 Time from start of storm (h) 54 60 66 72 78 84 90 96 102 Discharge (m³/s) 39.0 31.5 26.0 21.5 17.5 15.0 12.5 12.0 12.0
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![Example 4. Following are the ordinates of a storm hydrograph of a river draining a catchment
area of 423 km² due to a 6-h isolated storm. Derive the ordinates o f a 6-h unit hydrograph for
the catchment
Time from start of
storm (h)
-6
0 6 12
18
24
30
36
42
48
Discharge (m³/s)
10
10
30
87.5 115.5 102.5 85.0 71.0 59.0 47.5
Time from start of
storm (h)
54
60
66
72
78
84
90
96
102
Discharge (m³/s)
39.0 31.5 26.0 21.5 17.5 15.0 12.5 12.0 12.0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcb4cdac3-350b-487e-9f86-44ec64de9557%2Ff7134241-8389-4941-9a8a-a36a3cbf2f69%2F4hg24d_processed.png&w=3840&q=75)
Transcribed Image Text:Example 4. Following are the ordinates of a storm hydrograph of a river draining a catchment
area of 423 km² due to a 6-h isolated storm. Derive the ordinates o f a 6-h unit hydrograph for
the catchment
Time from start of
storm (h)
-6
0 6 12
18
24
30
36
42
48
Discharge (m³/s)
10
10
30
87.5 115.5 102.5 85.0 71.0 59.0 47.5
Time from start of
storm (h)
54
60
66
72
78
84
90
96
102
Discharge (m³/s)
39.0 31.5 26.0 21.5 17.5 15.0 12.5 12.0 12.0
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