coefficient as given below: Land use/cover Area (ha) Runoff coefficient Forest 250 0.10 Pasture 50 0.11 Cultivate land 200 0.30 The maximum length of travel of water in the watershed is about 3000 m and the elevation difference between the highest and outlet points of the watershed is 25 m. The maximum intensity duration frequency relationship of the watershed is given by
coefficient as given below: Land use/cover Area (ha) Runoff coefficient Forest 250 0.10 Pasture 50 0.11 Cultivate land 200 0.30 The maximum length of travel of water in the watershed is about 3000 m and the elevation difference between the highest and outlet points of the watershed is 25 m. The maximum intensity duration frequency relationship of the watershed is given by
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![A 500 ha watershed has the land use/cover and corresponding runot
coefficient as given below:
Land use/cover
Area (ha)
Runoff coefficient
Forest
250
0.10
Pasture
50
0.11
Cultivate land
200
0.30
The maximum length of travel of water in the watershed is about 3000 m and the elevation
difference between the highest and outlet points of the watershed is 25 m. The maximum intensity
duration frequency relationship of the watershed is given by
6.31170.1523
i =
(D+0.50)
0.945
where, i = intensity in cm/h, T= return period in years and D= duration of the rainfall in hours, EStimao
the (i) 25 year peak runoff from the watershed and (ii) the 25 vear peak runoff if the forest cover nao
decreased to 50 ha and the cultivated land has encroached upon the pasture and forest lands to ha
a total coverage of 450 ha.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F29405f35-7b69-45a3-b08c-bf5b61c65e6b%2Fa318f19d-2484-4a31-8369-1a1dddfee0a2%2Fa7v2gqh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A 500 ha watershed has the land use/cover and corresponding runot
coefficient as given below:
Land use/cover
Area (ha)
Runoff coefficient
Forest
250
0.10
Pasture
50
0.11
Cultivate land
200
0.30
The maximum length of travel of water in the watershed is about 3000 m and the elevation
difference between the highest and outlet points of the watershed is 25 m. The maximum intensity
duration frequency relationship of the watershed is given by
6.31170.1523
i =
(D+0.50)
0.945
where, i = intensity in cm/h, T= return period in years and D= duration of the rainfall in hours, EStimao
the (i) 25 year peak runoff from the watershed and (ii) the 25 vear peak runoff if the forest cover nao
decreased to 50 ha and the cultivated land has encroached upon the pasture and forest lands to ha
a total coverage of 450 ha.
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