The baseflow in a stream and the 3hr unit hydrograph for the basin are given in Tables (2) & Figure (3) below. Determine the total flow hydrograph for a storm of the pattern indicated. Assume that the 3-hr unit hydrograph is produced by 1cm of excess rain. Table (2) Time (hr) UH (m³/s) Baseflow (m³/s) 1200 10 1500 4.7 10 1800 7.5 11 2100 5.7 11 2400 4.3 11 300 3.1 12 600 2.4 12 900 1.4 12 1200 0.8 13 1500 0.2 13 1800 13 (same baseflow continues)
The baseflow in a stream and the 3hr unit hydrograph for the basin are given in Tables (2) & Figure (3) below. Determine the total flow hydrograph for a storm of the pattern indicated. Assume that the 3-hr unit hydrograph is produced by 1cm of excess rain. Table (2) Time (hr) UH (m³/s) Baseflow (m³/s) 1200 10 1500 4.7 10 1800 7.5 11 2100 5.7 11 2400 4.3 11 300 3.1 12 600 2.4 12 900 1.4 12 1200 0.8 13 1500 0.2 13 1800 13 (same baseflow continues)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![The baseflow in a stream and the 3hr unit hydrograph for the basin are given in
Tables (2) & Figure (3) below. Determine the total flow hydrograph for a storm of
the pattern indicated. Assume that the 3-hr unit hydrograph is produced by 1cm of
excess rain.
Table (2)
Time (hr)
UH (m³/s)
Baseflow (m³/s)
1200
10
1500
4.7
10
1800
7.5
11
2100
5.7
11
2400
4.3
11
300
3.1
12
600
2.4
12
900
1.4
12
1200
0.8
13
1500
0.2
13
1800
13
(same baseflow continues)
50 mm
45 mm
35 mm
25 mm
23 mm
10.5 mm
0 3 6 9
12
hr](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa37824f6-432b-4cee-8ece-bfb4757afbc7%2F59558f30-a2df-4176-a757-2d276337934e%2Fn1tfock_processed.png&w=3840&q=75)
Transcribed Image Text:The baseflow in a stream and the 3hr unit hydrograph for the basin are given in
Tables (2) & Figure (3) below. Determine the total flow hydrograph for a storm of
the pattern indicated. Assume that the 3-hr unit hydrograph is produced by 1cm of
excess rain.
Table (2)
Time (hr)
UH (m³/s)
Baseflow (m³/s)
1200
10
1500
4.7
10
1800
7.5
11
2100
5.7
11
2400
4.3
11
300
3.1
12
600
2.4
12
900
1.4
12
1200
0.8
13
1500
0.2
13
1800
13
(same baseflow continues)
50 mm
45 mm
35 mm
25 mm
23 mm
10.5 mm
0 3 6 9
12
hr
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