Q2: The table below represents the vertical coordinates of the hydrograph of a rainstorm over a mountainous area of 770 km2 as a result of a 6 hour rainstorm. Derive the vertical coordinates of a 6 hour standard hydrograph and then determine: 1- The value of the vertical coordinate for 6 hours of a standard hydrograph at a time of 18 hours. 2-The value of the vertical coordinate of 6 hours standard hydrograph at the time of 36 hours 3-The value of the vertical coordinate of 6 hours of standard hydrograph at the time of 66 hours. the time 72 66 60 54 54 48 42 36 30 24 18 12 60 (hour) discharge 42 50 70 100 145 205 270 350 400 360 215 65 40 (m3/s) flow baseband 42 42 42 42 42 41 41 41 40 40 40 40 40 40 (m3/s) 40

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Q2:
The table below represents the vertical coordinates of the hydrograph of a rainstorm over a mountainous area of
770 km2 as a result of a 6 hour rainstorm. Derive the vertical coordinates of a 6 hour standard hydrograph and
then determine: 1-
The value of the vertical coordinate for 6 hours of a standard hydrograph at a time of 18 hours.
2-The value of the vertical coordinate of 6 hours standard hydrograph at the time of 36 hours
3-The value of the vertical coordinate of 6 hours of standard hydrograph at the time of 66 hours.
the time
72 66 60 54
54 48 42 36 30 24 18 12 60
(hour)
discharge
42 50 70 100 145 205 270 350 400 360 215 65 40
(m3/s)
flow
baseband
42 42 42 42
42 41 41 41 40 40 40
40 40 40
(m3/s)
40
Transcribed Image Text:Q2: The table below represents the vertical coordinates of the hydrograph of a rainstorm over a mountainous area of 770 km2 as a result of a 6 hour rainstorm. Derive the vertical coordinates of a 6 hour standard hydrograph and then determine: 1- The value of the vertical coordinate for 6 hours of a standard hydrograph at a time of 18 hours. 2-The value of the vertical coordinate of 6 hours standard hydrograph at the time of 36 hours 3-The value of the vertical coordinate of 6 hours of standard hydrograph at the time of 66 hours. the time 72 66 60 54 54 48 42 36 30 24 18 12 60 (hour) discharge 42 50 70 100 145 205 270 350 400 360 215 65 40 (m3/s) flow baseband 42 42 42 42 42 41 41 41 40 40 40 40 40 40 (m3/s) 40
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