Problem 3. A 50-ha catchment has the following time-area relationship. Estimate the runoff hydrograph (cumecs) using the time-area method for a 30- hyetograph given. Time (min) Contributing area (ha) 10 15 20 10 25 30 30 50 Time (min) Average rainfall intensity (cm/hr) 0-5 10 5-10 8. 10-15 15-20 4 20-25 25-30 3.
Problem 3. A 50-ha catchment has the following time-area relationship. Estimate the runoff hydrograph (cumecs) using the time-area method for a 30- hyetograph given. Time (min) Contributing area (ha) 10 15 20 10 25 30 30 50 Time (min) Average rainfall intensity (cm/hr) 0-5 10 5-10 8. 10-15 15-20 4 20-25 25-30 3.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Problem 3. A 50-ha catchment has the following time-area relationship. Estimate the runoff hydrograph (cumecs) using the time-area method for a 30-min rainfall
hyetograph given.
Time (min) Contributing area (ha)
10
15
20
10
25
30
30
50
Time (min) Average rainfall intensity (cm/hr)
0-5
10
5-10
8.
10-15
15-20
4
20-25
25-30
1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa5ef2b2b-5fdc-444c-96d8-c80f2d911484%2F9ae7c4c8-e2a2-4bff-86a9-5578e82e13e0%2F7obe1wd_processed.png&w=3840&q=75)
Transcribed Image Text:Problem 3. A 50-ha catchment has the following time-area relationship. Estimate the runoff hydrograph (cumecs) using the time-area method for a 30-min rainfall
hyetograph given.
Time (min) Contributing area (ha)
10
15
20
10
25
30
30
50
Time (min) Average rainfall intensity (cm/hr)
0-5
10
5-10
8.
10-15
15-20
4
20-25
25-30
1
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