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QUESTION 4 Use the 1.h unit hydrograph tabulated below to predict the direct runoff hydrograph that...
Use the 1-h Unit Hydrograph tabulated below to (a) Predict the total streamflow hydrograph that would be observed as a result of a storm whose effective rainfall is also tabulated below. Assume a constant baseflow of 150 m/s. Time 1-H Unit Hydrograph (m/s) 0.00 40.00 130.00 210.00 150.00 120.00 80.00 40.00 15.00 0.00 Time (h) Effective Precipitation (ERH) (cm/h) 1.0 2.0 0-3 3-6 6-9 b) Route the following hydrograph through a river reach for which K = 12.0 h and...
Hydrologic analysis of a watershed Problem2: The unit hydrograph is the direct runoff generated by 1 unit (I mm in this problem) of excess rainfall. The one-hour unit hydrograph of a watershed is given by: 4 Time (hour) -0.9 U0.4 U0.2 0.0 0.0 U-0.6 Unit hydrograph (m/s/mm) (a) The 100-year storm over the watershed has the following excess rainfall pulses: Fromt 0 to 1 hour, P45 mm From t I to 2 hours, P20 From t = 2 to 3...
Below is a unit hydrograph for 1 h of effective precipitation of 1 mm. Time (h) Ordinates (m3/s) 0 0 1 0.1 2 0.5 3 0.8 4 1.2 5 0.9 6 0.7 7 0.4 8 0.2 9 0 1. Apply the unit hydrograph to create a predicted stormflow hydrograph for a precipitation event in which 5 mm of rain falls in the first hour and 18 mm of rain falls in the second hour. Time (h) UHG ordinates (m3/s) Stormflow...
2. Refer to the rainfall and streamflow data tabulated below for the area of 280 [km]. Time Observed Gross hPrecipitation (GRH) [cm/h] 0.25 3.00 2.75 Time (h) Hydrograph 160 150 350 800 025 1200 4 900 700 550 350 250 160 140 10 (a) Obtain an Unit Hydrograph (UH) of these series. In this process, use the horizontal straight-line method to separate baseflow. [10pt] (b) Can you also transfer the UH obtained from (a) to the 6-hour UH for this...
3 and 4 3. Discharge rates for a flood hydrograph passing the outlet of a 600-acre drainage basin is given below. The flood was produced by a uniform rainfall rate of 2.75 in/hr, which started at 9 am and ended abruptly at 11 am. Time (hr)Q (cfs) 8:00 AM100 9:00 AM100 10:00 AM 300 11:00 AM 500 12:00 PM 700 1:00 PM800 2:00 PM600 3:00 PM400 4:00 PM 300 5:00 PM 6:00 PM 100 7:00 PM100 200 a) At what...
The 4-hr unit hydrograph for a watershed is given as below. Time (hr) 2 4 6 8 10 12 14 Unit hydrograph (m3/s/10 mm) A design storm has 1.5 cm/hr in first 2 hr and 1.0 cm/hr in the second 2 hr. The abstraction rate is 0.5 cm/hr. Base flow is 10 m/s. Calculate the total runofi hydrograph.
2. A 10-minute unit hydrograph (UH) of a catchment is given in the table below. What is the catchment area? (5 marks) Time step (10 minutes) 1 2 3 4 Discharge (mº/{s.cm)) 8 18 30 10 For a storm partern given in the table below, determine and plot runoff hydrograph at a 5-minute interval using the above 10-minute UH. Determine the time of concentration of the catchment. Assume the o index value for the catchment to be 12 mm/hr, and...
2. [10 points] Determine the 4-hr unit hydrograph using the following data for a watershed having a drainage area of 200 km, assuming a constant rainfall abstraction rate of 1 cm per time period and a constant baseflow of 20 m3's. The ordinates of the unit hydrograph are in units of m s cm Four-hour period | 1 | 2-1 3 i 41 5 6 7 8 9 10| 11 Rainfall (cm) Streamflow (m s) 20 35 60 95 130...
Listed in Table Q2.1 below is the storm inflow hydrograph for a full reservoir that has an uncontrolled spillway for releasing flood water. Table Q2.1 Time (h) | 0 3 6 9 12 15 18 21 24 27 30 Inflow 2 104 204 226 213 185 158 136 118 102 89 (m/s) Time (h) 36 39 48 51 54 60 63 Inflow 78 68 56 47 39 30 22 15 9 4 2 (m/s) The storage and outflow characteristics of...
5 pts D Question 1 A system has the following impulse response: .2 Sample number, n From the choices below, select the frequency response of this system. H (eju)-e(1.5 ) (2 sin( 1.5ώ) + 4 sin(0.δώ)) H (ee) = e-j(1.5e-5) (cos( 1.5 ) +2 cos(0.54)) @ H (ee)-e-n1.si) (sin( 1.54) t. 2 sin(0.δώ)) (sin(l.50) +4sin(0.0) H (ee)-e-j(1.5i) (2 cos( 1.5ώ) + 4 cos(0.5a)) H (efo)-e-n1.5u) (cos( 1.50) + 2 cos(0.50)) https://rmitinstructure.comcoursesy 5 pts DQuestion 2 A system has the following...