If the mean annual runoff of a drainage basin of 10000 km? is 140 m/sec, and the average annual precipitation is 105 cm, Estimate the annual average ET for this basin.
If the mean annual runoff of a drainage basin of 10000 km? is 140 m/sec, and the average annual precipitation is 105 cm, Estimate the annual average ET for this basin.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:If the mean annual runoff of a drainage basin of 10000 km? is 140 m/sec, and the
average annual precipitation is 105 cm, Estimate the annual average ET for this basin.
The mass curve of rainfall as one of the hydrological key concepts in a storm of total
duration 120 minutes as shown in table below. Estimate the amount of rainfall in this storm
if the area of the watershed is 4000000 cm?.
Table
Time
20
40
60
80
100
120
(minute)
Cumulative
Rainfall
(cm)
0.2
0.8
1.6
2.0
2.2
2.5
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