The sheetwash and rill erosion pictured is most likely the result of runoff following which pathway? O sapping and piping under the field O back-flow from the stream in the foreground Horton overland flow return flow from the subsurface O subsurface stormflow

Q: A 200-acre urban drainage area consists of three different watershed areas as follows: (i) 100-acre…

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Q: Two rivers meet at a confluence. River A is has a flow of 20m /s, a DO level of 12mg/l and a…

A: Given Data: River A QA=20m3/sDOA=12mg/lB0D=1mg/lRiver BQB=30m3/sDOB=4mg/lBOD= 34mg/lsat. DO level =…

Q: Channel lag deposits are a feature of a. Floodplain sediment b. Crevasse sediment c. Talweg deposits…

A: Channel lag deposits are a feature of Floodplain sediment

Q: A catchment consists of an asphalt pavement that drains into a rectangular concrete  channel. The…

A: Given data:- The given asphalt has an average slope is, 0.6% The catchment boundary to the drain is,…

Q: A sediment pond has been designed to take flood water from a small river that is high in suspended…

A: Waste water treatment for Ponds : Storm Event : It means rainfall event which produce more than 0.1…

Q: River A elevation = 100 ft K = 10 ft/day Porosity = 0.1 Aquifer thickness = 100 ft River B elevation…

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Q: A V-notch-shaped bed of trough with a 30" diameter receives backwashing water from a filter layer…

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Q: 3. The average rainfall rate in a watershed with an area of 50 mi² in the upstate of South Carolina…

A: Given that, Watershed area = 50 square miles Average rainfall= 62 inches/year Average stream…

Q: A stormwater outfall discharges runoff into a pristine river with negligible dissolved solids such…

A: Given : The concentration of suspended solids, X = 100 mg/L Settling velocity, Vs = 2 m/day Flow…

Q: Problem 3.24 (page 119): The soil in a watershed has the following properties: 0, = 0.02, O = 0.25,…

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Q: Initial abstraction la a) The area contributing direct run off to a stream b)The degree of vetness…

A: For the first question, the correct option is:Initial abstraction la isb) The degree of wetness of a…

Q: Runoff on a 0.5-hectare parking lot flows toward a low area and then toward a street drain. This…

A: Manning equation is an empirical formula for the velocity of flow of water or any liquid flowing in…

Q: Q2) A watershed has the following land use: a- 300 ha of open forest land b- 500 ha of good pasture…

A: given data,a) 300ha of open forestb)500ha of good pasture land c)200ha of poor bunded cultivated…

Q: The critical velocity of a 3m deep sedimentation basin with a volume of 1 million gallons treating a…

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Q: Describe the condition in which flow occurs through a soil mass possessing isotropic properties.

A: Flow occurs only when there is difference in the  total heads between the two points. Total Head =…

Q: 2) The basin area is 138 km² and the limit soil moisture is 111 mm. Using the PET values that you…

A: Catchment area = 138 km2 Moisture limit = 111 mm Month T oC k p PET April 18.82 0.6 0.07 0.0692…

Q: Compare/contrast the following quantities from each other: rainfall rate and infiltration capacity…

A: Here It have asked to compare the following quantities 1. Rainfall rate and infiltration capacity2.…

Q: Problem: A catchment has four sub-areas. The annual precipitation and evap the sub-areas are given…

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Q: Determine the weighted average runoff coefficient, C, and peak runoff rate for a 10-year storm of an…

A: We have to detemine the average runoff coefficient C, and peak runoff rate for 10 year storm…

Q: 4) Compute the peak runoff, Qp, for a 15 year storm using the Rational Method for a drainage basin…

A: Reference : Appendix C - Design chart for rational method. Table : Value of C, Runoff Coefficient…

Q: What is meant by antecedent moisture conditions? How do they affect surface runoff?

A: Antecedent moisture may be defined as the relative wetness or dryness of a sewershed, which changes…

Q: A 400-acre watershed has the following characteristics: o 150 acres of forest with a Muskingum soil…

A: GIVEN- 150 acres of forest with Muskingum soil. 100 acres of forest with Shelocta soil. 25  acres…

Q: A 100-acre watershed that is 80% Industrial and 20% newly graded areas (no vegetation). The…

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Q: What would the runoff be if a 3 acre watershed got 10 in/hr rainfall and an average c coefficient of…

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Q: Compute the location of the first gutter inlet from the crest, considering the following…

A: For using the problem we can use the following equation which is  Q=KIA Where  Q= Is the discharge…

Q: und off your weighted CN LAND USE 20% 15% 40% 25% CN by weighted CN= (%to

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Q: Rain falls on a 0.05 mi² urban catchment with an intensity of 0.85 in/hr. for a duration of 3 hrs.…

A: A = 0.05 mi2 i = 0.85 in/hr

Q: bread and breakfast facility is considering an ion exchange resī ndwater. The flow required is 1000…

A: Efficiency of the reaction :E=325-50325=85.62%so,

Q: Design a slow sand filter to treat a flow of (96) ft3/day? Assume a filtration rate of 0.16 m/hr.

A: Solution:-     Filteration rate=0.16 m/hr     Average  daily flow=96 ft3/day     Maximum daily…

Q: or their design flow rate of 0.5m^3/s.Assume the design loading rate to the filter is 235…

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Q: A 220-acre watershed is comprised of 2 distinct areas: 40% cultivated, flat land- tight day 50%…

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Q: A tannery with a wastewater flow of 0.011 m½ and a BOD; of 590 mg/L discharges into a creek. The…

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Q: An urban park has a drainage basin area of 398 ac. The 25-year rainfall event has a precipitation…

A: Given data: C=0.75 Average rainfall intensity, I=2.382 in. /h Drainage area, A=398 ac.

Q: Identify the hydrologic processes that affect flood runoff from a 3000-ft section of interstate…

A: The movement of water over the earth surface is known as surface runoff or flood runoff. This occurs…

Q: A catchment consists of 30% area with runoff coefficient 0.40 with the remaining 70% area with…

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Q: • HW1// Route the flood hydrograph indicated below through a reservoir. The storage (elevation…

A: Given,  Flow=3LH 32 L=70 ft  Crest height=60 ft To determine, Route the flood hydrograph

Q: a drainage basin with an area of 5 km2 receives 25 mm of rainfall. The losses due to interception…

A: The given data is: Drainage Basin Area = 5 km2 Rainfall = 25 mm Losses due to interception and…

Q: A rain depth of 10 inches falls on a developed area of Charleston (CN = 90). Estimate the runoff.…

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Q: • HW1// Route the flood hydrograph indicated below through a reservoir. The storage (elevation…

A: Given,  Flow=3LH 32 L=70 ft  Crest height=60 ft To determine, Route the flood hydrograph

Q: It rains 3.0 in on a 20 acre watershed. What is the volume of runoff if 30% of the watershed area is…

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Q: The hydraulic conductivity (K) of a homogeneous sandy clay mix aquifer is   2x10-3  cm/sec.   The…

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Q: Question: A rectangular primary sedimentation basin is to be designed for an activated sludge…

A: Given data: Rectangular primary sedimentation basin. peak overflow rate (S) = 80 m3/d-m2 average…

Q: Flash floods will occur ....... A. when the soils have a high infiltration capacity…

A: Reference : Geo technical Engineering, Flood and types of floods. Given : A multiple choice question…

Q: A 2 L beaker of Rhodamine B dye, with a reported dye concentration of 2.42x104 µg/L, was…

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Q: A community receives 0.50 m³/s of flow into its wastewater treatment plant. The total surface area…

A: Given data, Flow rate Q = 0.5 m^3/s Surface area of primary clarifiers A = 2700 m^2 Retention time t…