Determine the value of o for the rainfall hyetograph shown. Assume the depth of direct runoff is 2.5 in. t(hr) The following data are from the 2.15-acre watershed W-15, Cheroke, Oklahoma, for the storm of November 16, 1964. Assume that baseflow equals 0 and all rainfall prior to the start of runoff is initial abstraction. Determinc the distribution of rainfall excess using the phi-index method. [Note: Rainfall values give the average intensity over the interval; runoff values are onlinater 1 2. (1y/u
Determine the value of o for the rainfall hyetograph shown. Assume the depth of direct runoff is 2.5 in. t(hr) The following data are from the 2.15-acre watershed W-15, Cheroke, Oklahoma, for the storm of November 16, 1964. Assume that baseflow equals 0 and all rainfall prior to the start of runoff is initial abstraction. Determinc the distribution of rainfall excess using the phi-index method. [Note: Rainfall values give the average intensity over the interval; runoff values are onlinater 1 2. (1y/u
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![Determine the value of o for the rainfall hyetograph shown. Assume the deplh of direct runoff
is 2.5 in.
t(hr)
2
The following data are from the 2.15-acre watershed W-15, Cherokee, Oklahoma, for the
storm of November 16, 1964. Assume that baseflow equals 0 and all rainfall prior to the start
of runoff is initial abstraction. Determinc the distribution of rainfall excess using the phi-index
method. [Note: Rainfall values give the average intensity over the interval; runoff values are
ordinates.)
Hyctograph
Hydrograph
Time of
Rate
Time of
Rate
Time of
Rate
Day
(in/hr)
Day
(in./hr)
Day
(in./hr)
0530
0630
0.00
0732
0.0000
0826
0.543
0.01
0736
0.0014
0828
0.418
0.322
0.218
0730
0.00
0738
0.0049
0830
0745
0800
044
0754
0.0049
0834
0.12
0756
0.0096
0838
0.152
0.104
0.0904
0805
192
0758
0.0228
0.0441
0.0597
0.0972
0842
08 10
192
0800
0900
0815
1.20
0802
0910
0.0654
0820
0825
0920
0930
0.0490
0.0393
0.72
0804
0.36
0806
0.127
0830
0.24
0808
0218
0940
0.0266
0845
0.12
0809
0.335
0950
0.0155
0900
0.16
0810
0494
1000
0.0124
0945
0,00
0812
0.687
1030
0.0124
0950
0.24
0814
0.807
1056
0.0096
0.0049
0.0049
0.0014
1000
0.00
0816
0.937
1110
0,16
0.03
1015
0817
1.05
1130
1035
1220
1350
0820
0.871
0824
0.668
0.0000](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F69986219-82a6-4c54-8868-e3453c96f3dd%2Fa8464891-4554-4c49-848f-bae2f9896487%2Fd1ujuxt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Determine the value of o for the rainfall hyetograph shown. Assume the deplh of direct runoff
is 2.5 in.
t(hr)
2
The following data are from the 2.15-acre watershed W-15, Cherokee, Oklahoma, for the
storm of November 16, 1964. Assume that baseflow equals 0 and all rainfall prior to the start
of runoff is initial abstraction. Determinc the distribution of rainfall excess using the phi-index
method. [Note: Rainfall values give the average intensity over the interval; runoff values are
ordinates.)
Hyctograph
Hydrograph
Time of
Rate
Time of
Rate
Time of
Rate
Day
(in/hr)
Day
(in./hr)
Day
(in./hr)
0530
0630
0.00
0732
0.0000
0826
0.543
0.01
0736
0.0014
0828
0.418
0.322
0.218
0730
0.00
0738
0.0049
0830
0745
0800
044
0754
0.0049
0834
0.12
0756
0.0096
0838
0.152
0.104
0.0904
0805
192
0758
0.0228
0.0441
0.0597
0.0972
0842
08 10
192
0800
0900
0815
1.20
0802
0910
0.0654
0820
0825
0920
0930
0.0490
0.0393
0.72
0804
0.36
0806
0.127
0830
0.24
0808
0218
0940
0.0266
0845
0.12
0809
0.335
0950
0.0155
0900
0.16
0810
0494
1000
0.0124
0945
0,00
0812
0.687
1030
0.0124
0950
0.24
0814
0.807
1056
0.0096
0.0049
0.0049
0.0014
1000
0.00
0816
0.937
1110
0,16
0.03
1015
0817
1.05
1130
1035
1220
1350
0820
0.871
0824
0.668
0.0000
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 4 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
![Structural Analysis](https://compass-isbn-assets.s3.amazonaws.com/isbn_cover_images/9781337630931/9781337630931_smallCoverImage.jpg)
![Structural Analysis (10th Edition)](https://www.bartleby.com/isbn_cover_images/9780134610672/9780134610672_smallCoverImage.gif)
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
![Principles of Foundation Engineering (MindTap Cou…](https://www.bartleby.com/isbn_cover_images/9781337705028/9781337705028_smallCoverImage.gif)
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
![Structural Analysis](https://compass-isbn-assets.s3.amazonaws.com/isbn_cover_images/9781337630931/9781337630931_smallCoverImage.jpg)
![Structural Analysis (10th Edition)](https://www.bartleby.com/isbn_cover_images/9780134610672/9780134610672_smallCoverImage.gif)
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
![Principles of Foundation Engineering (MindTap Cou…](https://www.bartleby.com/isbn_cover_images/9781337705028/9781337705028_smallCoverImage.gif)
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
![Fundamentals of Structural Analysis](https://www.bartleby.com/isbn_cover_images/9780073398006/9780073398006_smallCoverImage.gif)
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
![Sustainable Energy](https://www.bartleby.com/isbn_cover_images/9781337551663/9781337551663_smallCoverImage.gif)
![Traffic and Highway Engineering](https://www.bartleby.com/isbn_cover_images/9781305156241/9781305156241_smallCoverImage.jpg)
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning