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4. A drainage basin has an area of 500 sq. mi. The average annual runoff is...
[2] 7.7.8 The Gimlet Creek watershed at Sparland, Illinois, has a drainage area of 5.42 mi;...
[2] 7.7.8 The Gimlet Creek watershed at Sparland, Illinois, has a drainage area of 5.42 mi; the length of the main stream is 4.45 mi and the main channel length from the watershed outlet to the point opposite the center of gravity of the watershed is 2.0 mi Using c -2.0 and C-0.625, determine the standard synthetic unit hydrograph for this basin. What is the standard rain duration? use Snyder's method to determine the 30-minute unit hydrograph for this watershed
A lake with a drainage area AD has a surface area of AL and an average...
A lake with a drainage area AD has a surface area of AL and an average depth of zL. The long-term rates of precipitation and evapotranspiration for the portion of the drainage basin are PD and eD, respectively. For the lake itself the average rate of precipitation and evaporation are PL and eL, respectively. Average rate of stream outflow is Q. There is no groundwater inflow or outflow to the basin. a. Identify the units (Length[L], Time [T], Mass [M],...
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...
ng an average soil moisture condition on hydrologic soils group C, calculate the runoff volume (inches)...
ng an average soil moisture condition on hydrologic soils group C, calculate the runoff volume (inches) for a 100-acre suburban development with the following land use when rainfall is 4 inches. You must use the NRCS-CN method and Table 5.11, Figure 5.11, or Equation 5.26. Percentage of Land 20 40 30 10 Land Use 4- acre residential lots 1/8- acre condominiums Commercial area with curbs Open space grass cover-85% What is the required area of a retention basin, in square...
Determine the minimum surface area in acres of an irrigation reservoir so that the drawdown over...
Determine the minimum surface area in acres of an irrigation reservoir so that the drawdown over August is no more than 10 ft. the drainage basin feeding into the reservoir, including the reservoir itself, is 100 mi 2. Assume that 35% of the rain falling on the basin runs off the reservoir. Assume groundwater flow into and out of the basin is negligible. Determine the irrigation water needed from the evapotranspiration requirement from beans growing on 40mi 2 at 35...
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...
4. Rational Method (20 points): A nonhomogencous watershed has the following distribution of landcover: Land Runoff...
4. Rational Method (20 points): A nonhomogencous watershed has the following distribution of landcover: Land Runoff Area ID A Forest B Urban C Lawns with sandy soil D Parking lot Landcover Coefficient (C) (m) Slope t (min.) 35 14 0.20 0.85 0.15 0.80 28.000 400 9,000 32.000| 5% | Unknown 11,000| 1% 2% 12 a. (5) Estimate the time of concentration (te) for the land area labeled "C" (lawns with sandy soil) using the FAA formula. Overland flow distance for...
ENGINEERING HYDROLOGY CIVL431 Assignment1 Problem 11 The following data were observed at Demirkopru Dam site on...
ENGINEERING HYDROLOGY CIVL431 Assignment1 Problem 11 The following data were observed at Demirkopru Dam site on Gedir River in June 1971. Find the monthly evaporation in mm from the reservoir surface of this dam. If there were a Class A pan installed nearby the reservoir, what would be the monthly evaporation observed from this pan? Storage at the beginning of the month 4XY.X-10 m Storage at the end of the month 47XY -10 m Average surface area of reservoir in...
ENGINEERING HYDROLOGY CIVL431 Assignment #1 Problem 11 The following data were observed at Demirköprü Dam site...
ENGINEERING HYDROLOGY CIVL431 Assignment #1 Problem 11 The following data were observed at Demirköprü Dam site on Gediz River in June 1971. Find the monthly evaporation in mm from the reservoir surface of this dam. If there were a Class A pan installed nearby the reservoir, what would be the monthly evaporation observed from this pan? Storage at the beginning of the month : 4XY.Z - 10 m Storage at the end of the month 47x V -10 m Average...
ENGINEERING HYDROLOGY CIVL431 Assignment #1 Problem 11 The following data were observed at Demirköprü Dam site...
ENGINEERING HYDROLOGY CIVL431 Assignment #1 Problem 11 The following data were observed at Demirköprü Dam site on Gediz River in June 1971. Find the monthly evaporation in mm from the reservoir surface of this dam. If there were a Class A pan installed nearby the reservoir, what would be the monthly evaporation observed from this pan? Storage at the beginning of the month : 4XY.Z - 10 m Storage at the end of the month 47x V -10 m Average...
[2] 7.7.8 The Gimlet Creek watershed at Sparland, Illinois, has a drainage area of 5.42 mi; the length of the main stream is 4.45 mi and the main channel length from the watershed outlet to the point opposite the center of gravity of the watershed is 2.0 mi Using c -2.0 and C-0.625, determine the standard synthetic unit hydrograph for this basin. What is the standard rain duration? use Snyder's method to determine the 30-minute unit hydrograph for this watershed
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...
ng an average soil moisture condition on hydrologic soils group C, calculate the runoff volume (inches) for a 100-acre suburban development with the following land use when rainfall is 4 inches. You must use the NRCS-CN method and Table 5.11, Figure 5.11, or Equation 5.26. Percentage of Land 20 40 30 10 Land Use 4- acre residential lots 1/8- acre condominiums Commercial area with curbs Open space grass cover-85% What is the required area of a retention basin, in square...
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...
4. Rational Method (20 points): A nonhomogencous watershed has the following distribution of landcover: Land Runoff Area ID A Forest B Urban C Lawns with sandy soil D Parking lot Landcover Coefficient (C) (m) Slope t (min.) 35 14 0.20 0.85 0.15 0.80 28.000 400 9,000 32.000| 5% | Unknown 11,000| 1% 2% 12 a. (5) Estimate the time of concentration (te) for the land area labeled "C" (lawns with sandy soil) using the FAA formula. Overland flow distance for...
ENGINEERING HYDROLOGY CIVL431 Assignment1 Problem 11 The following data were observed at Demirkopru Dam site on Gedir River in June 1971. Find the monthly evaporation in mm from the reservoir surface of this dam. If there were a Class A pan installed nearby the reservoir, what would be the monthly evaporation observed from this pan? Storage at the beginning of the month 4XY.X-10 m Storage at the end of the month 47XY -10 m Average surface area of reservoir in...
ENGINEERING HYDROLOGY CIVL431 Assignment #1 Problem 11 The following data were observed at Demirköprü Dam site on Gediz River in June 1971. Find the monthly evaporation in mm from the reservoir surface of this dam. If there were a Class A pan installed nearby the reservoir, what would be the monthly evaporation observed from this pan? Storage at the beginning of the month : 4XY.Z - 10 m Storage at the end of the month 47x V -10 m Average...
ENGINEERING HYDROLOGY CIVL431 Assignment #1 Problem 11 The following data were observed at Demirköprü Dam site on Gediz River in June 1971. Find the monthly evaporation in mm from the reservoir surface of this dam. If there were a Class A pan installed nearby the reservoir, what would be the monthly evaporation observed from this pan? Storage at the beginning of the month : 4XY.Z - 10 m Storage at the end of the month 47x V -10 m Average...
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