unit hydrograph

To derive the total flood hydrograph at a catchment outlet from an isolated storm, the order in which the following methods are applied, from the first method to the last method, i...

The peak of flood hydrograph due to a 3-hour duration storm in a catchment is 180 m³/s. The total rainfall depth is 6.6 cm. It can be assumed that the average infiltration loss is...

The peak of flood hydrograph due to a 3 -hour duration storm in a catchment is $180 \mathrm{~m}^3 / \mathrm{s}$. The total rainfall depth is 6.6 cm . It can be assumed that the ave...

The ordinates of a 1-hour unit hydrograph (UH) are given below. Time (hours): 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 Ordinates of 1-hour UH (m³/s): 0, 13, 50, 80, 95, 85, 55, 35, 15,...

The ordinates of a 1-hour unit hydrograph (UH) are given below. Time (hours) 0 1 2 3 4 5 Ordinates of 1-hour UH (m 3 /s) 0 13 50 80 95 85 Time (hours) 6 7 8 9 10 11 Ordinates of 1-...

The ordinates of a one-hour unit hydrograph for a catchment are given below: | t (hour) | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |---|---|---|---|---|---|---|---|---| | Q (m³/s) | 0 | 9 |...

The ordinates of a one-hour unit hydrograph for a catchment are given below: $$ \begin{array}{|l|l|l|l|l|l|l|l|l|} \hline t(\text { hour }) & 0 & 1 & 2 & 3 & 4 & 5 & 6 & 7 \\ \hlin...

A two-hour duration storm event with uniform excess rainfall of 3 cm occurred on a watershed. The ordinates of streamflow hydrograph resulting from this event are given in the tabl...

A two-hour duration storm event with uniform excess rainfall of 3 cm occurred on a watershed. The ordinates of streamflow hydrograph resulting from this event are given in the tabl...

A 12-hour unit hydrograph (of 1 cm excess rainfall) of a catchment is of a triangular shape with a base width of 144 hour and a peak discharge of 23 m³/s. The area of the catchment...

The ordinates, u, of a 2-hour unit hydrograph (i.e., for 1 cm of effective rain), for a catchment are shown in the table. A 6-hour storm occurs over the catchment such that the eff...

The ordinates of a 2-hour unit hydrograph for a catchment are given as Time (h) 0 1 2 3 4 Ordinate (m³/s) 0 5 12 25 41 The ordinate (in m³/s) of a 4-hour unit hydrograph for this c...

An effective rainfall of 2-hour duration produced a flood hydrograph peak of 200 m³/s. The flood hydrograph has a base flow of 20 m³/s. If the spatial average rainfall in the water...