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(10 marks) 13. Determine the unit hydrograph for the 99 acre watershed that produces the following...
A 1 hour unit hydrograph for a watershed with area A acres is approximated as a...
A 1 hour unit hydrograph for a watershed with area A acres is approximated as a triangle with base of 20 hr and a peak flow of 300 cfs. Time to peak is 10 hrs. Calculate the watershed area in acres.
Hydrologic analysis of a watershed Problem2: The unit hydrograph is the direct runoff generated by 1 unit (I mm in this...
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...
3 and 4 3. Discharge rates for a flood hydrograph passing the outlet of a 600-acre...
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...
2. [10 points] Determine the 4-hr unit hydrograph using the following data for a watershed having...
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...
Storm data were collected for a 810-acre basin. Approximations for the wadi-flow, rainfall and runoff cumulative...
Storm data were collected for a 810-acre basin. Approximations for the wadi-flow, rainfall and runoff cumulative mass curves are shown in the following figure. 5.00 500 485 4.75 450 445 4.50 4.25 4.00 425 Cumulated DRO -Cumulated gross rainfall Wadi-flow 400 3.75 3.50 350 3.25 315 3.00 295 300 2.75 Cumulated Gross rainfall and DRO in inches 2.50 250 Wadi flow (cfs) 2.25 215 2.00 200 1.75 1.50 155 150 140 1.25 1.00 100 90 0.75 75 0.50 55 50...
Problem 2 A rectangular 3-acre lot is being developed into multifamily housing. Can this plot of land be considered a watershed? Why or why not? Problem 3 Three centimeters of water evaporated fro...
Problem 2 A rectangular 3-acre lot is being developed into multifamily housing. Can this plot of land be considered a watershed? Why or why not? Problem 3 Three centimeters of water evaporated from a 200-hectare vertical walled reservoir during 24 hours. Storm water was added to the reservoir at a constant rate of 3 ms during this period. Determine the volume in ha-cm of water released during the period (through the bottom of the reservoir) if the water level in...
Develop a storm hydrograph for the following rainfall event and unit hydrograph 0-12 minutes 12-24 minutes...
Develop a storm hydrograph for the following rainfall event and unit hydrograph 0-12 minutes 12-24 minutes 24-36 minutes 36-48 minutes Rainfall Intensity (in/br) 0.5 1. 2 0 (No Rain) 02 Infiltration (in) 0.06 0.03 0 0.01 12-Minute Unit Hydrograph Time (min) Flow (ft/min) 0-12 300 12-24 1800 24-36 2800 36-48 1600 800 48-60 60-72 200
4-23. Determine the unit hydrograph ordinates for the Isosceles River with the stream flow data shown...
4-23. Determine the unit hydrograph ordinates for the Isosceles River with the stream flow data shown in Figure P-4-23 on page 192. The basin area is 14.40 km', and the unit duration of the storm is 1 hour. For ease of com- putation, locate ordinates at hourly intervals, that is, 1500, 1600, and 1700 hours. Note that the time is military time; that is, 1500 h 3 PM, 2000 h 8 PM, etc.
Please solve the following problem and show all work. Thank you! Determine the 4-hr unit hydrograph using the following...
Please solve the following problem and show all work. Thank
you!
Determine the 4-hr unit hydrograph using the following data for a watershed having a drainage area of 200 km2, assuming a constant rainfall abstraction rate and a constant baseflow of 20 m'/s. Present your results in tabular and graphical forms. Four-hour period Rainfall (cmQ(m/s) 1.0 2.5 4.0 2.0 20 30 60 95 130 170 195 175 70 25 20 10
ull peal - OX Share Comments AutoSave Off 2 0 - Quiz 3_2 (1) - Compatibility...
ull peal - OX Share Comments AutoSave Off 2 0 - Quiz 3_2 (1) - Compatibility Mode - Word Search File Home Insert Design Layout References Mailings Review View Help Times New Rom 12 AA Aa A Eva EE 7 AL | Paste BI U veb xx? APA SIE DI La АаВЬСc) АаВЬСcІ Аавьсс Аавьссс Аав — Heading 1 1 Normal 1 No Spac.. Heading 2 Title sinca nasce Aabe Find Sc Replace h Select Dictate Sensitivity Editor Clipboard Font...
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...
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...
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...
Storm data were collected for a 810-acre basin. Approximations for the wadi-flow, rainfall and runoff cumulative mass curves are shown in the following figure. 5.00 500 485 4.75 450 445 4.50 4.25 4.00 425 Cumulated DRO -Cumulated gross rainfall Wadi-flow 400 3.75 3.50 350 3.25 315 3.00 295 300 2.75 Cumulated Gross rainfall and DRO in inches 2.50 250 Wadi flow (cfs) 2.25 215 2.00 200 1.75 1.50 155 150 140 1.25 1.00 100 90 0.75 75 0.50 55 50...
Problem 2 A rectangular 3-acre lot is being developed into multifamily housing. Can this plot of land be considered a watershed? Why or why not? Problem 3 Three centimeters of water evaporated from a 200-hectare vertical walled reservoir during 24 hours. Storm water was added to the reservoir at a constant rate of 3 ms during this period. Determine the volume in ha-cm of water released during the period (through the bottom of the reservoir) if the water level in...
Develop a storm hydrograph for the following rainfall event and unit hydrograph 0-12 minutes 12-24 minutes 24-36 minutes 36-48 minutes Rainfall Intensity (in/br) 0.5 1. 2 0 (No Rain) 02 Infiltration (in) 0.06 0.03 0 0.01 12-Minute Unit Hydrograph Time (min) Flow (ft/min) 0-12 300 12-24 1800 24-36 2800 36-48 1600 800 48-60 60-72 200
4-23. Determine the unit hydrograph ordinates for the Isosceles River with the stream flow data shown in Figure P-4-23 on page 192. The basin area is 14.40 km', and the unit duration of the storm is 1 hour. For ease of com- putation, locate ordinates at hourly intervals, that is, 1500, 1600, and 1700 hours. Note that the time is military time; that is, 1500 h 3 PM, 2000 h 8 PM, etc.
Please solve the following problem and show all work. Thank
you!
Determine the 4-hr unit hydrograph using the following data for a watershed having a drainage area of 200 km2, assuming a constant rainfall abstraction rate and a constant baseflow of 20 m'/s. Present your results in tabular and graphical forms. Four-hour period Rainfall (cmQ(m/s) 1.0 2.5 4.0 2.0 20 30 60 95 130 170 195 175 70 25 20 10
ull peal - OX Share Comments AutoSave Off 2 0 - Quiz 3_2 (1) - Compatibility Mode - Word Search File Home Insert Design Layout References Mailings Review View Help Times New Rom 12 AA Aa A Eva EE 7 AL | Paste BI U veb xx? APA SIE DI La АаВЬСc) АаВЬСcІ Аавьсс Аавьссс Аав — Heading 1 1 Normal 1 No Spac.. Heading 2 Title sinca nasce Aabe Find Sc Replace h Select Dictate Sensitivity Editor Clipboard Font...
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