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Determining the ordinate of the direct runoff hydrograph due to excess of 3.5 cm occurring in 6 hours

written 7.9 years ago by teamques10 ★ 68k

•   modified 7.9 years ago

Time hrs.	0	3	6	9	12	15	18	24	30	36	42	48	54	60	69
Ordinates of 6 hrs. unit hydrograph (m3/s)	0	25	50	90	130	160	190	160	105	65	40	25	18	10	0

Mumbai University > Civil Engineering > Sem 7 > Irrigation Engineering

Marks: 10M

Year: May 2016

irrigation engineering

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written 7.9 years ago by teamques10 ★ 68k

Ordinate of x cm DHS = [ordinate of 6 hrs. unit hydrograph] X x

Time hrs.	Ordinates of 6 hrs. unit hydrograph (m3/s)	Ordinate of ‘x cm’ DRH
0	0	0
3	25	87.5
6	50	175
9	90	315
12	130	445
15	160	560
18	190	665
24	160	560
30	105	367.5
36	65	227.5
42	40	140
48	25	87.5
54	18	63
60	10	35
69	0	0

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