a small watershed consists of the following: Area Land use Soil type (Donum) 12000 Residential lot size 4000 m² 6000 Forest B 8800 Open space A 2800 Pasture C The slope of the water shed is 15m per 2 Km, and the length of the watershed is 3 km. 10T0.3 I (tc+10)0.4 (a) Use the Rational Method to estimate the peak rate of runoff for 50 yr return period. (b) How much time is needed to fill an agricultural tank which its capacity is 100 ha.m? (mm/min) where te in minutes.
a small watershed consists of the following: Area Land use Soil type (Donum) 12000 Residential lot size 4000 m² 6000 Forest B 8800 Open space A 2800 Pasture C The slope of the water shed is 15m per 2 Km, and the length of the watershed is 3 km. 10T0.3 I (tc+10)0.4 (a) Use the Rational Method to estimate the peak rate of runoff for 50 yr return period. (b) How much time is needed to fill an agricultural tank which its capacity is 100 ha.m? (mm/min) where te in minutes.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:a small watershed consists of the following:
Area
Land use
Soil type
(Donum)
12000
Residential lot size 4000 m2
D
6000
Forest
8800
Open space
A
2800
Pasture
C
The slope of the water shed is 15m per 2 Km, and the length of the watershed is 3 km.
10т0.3
I
(tc+10)0.4
(a) Use the Rational Method to estimate the peak rate of runoff for 50 yr return period.
(b) How much time is needed to fill an agricultural tank which its capacity is 100 ha.m?
(mm/min) where te in minutes.
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