Q2. Two storms having duration of 4-hv and 2.hr respectively. If the rainfall excess values for the two storms were 2cm & 3cm respectively respectively occurs successive calculate the resulting direct runoff hydrographif the 2-hr UH For the Catchment is given below Time hr 2 4 G lo 12 14 16 18 2hr UH 25 50 75 125 100 60 20

Q: An engineer is responsible for designing a culvert at the point of solution of the watershed below.…

A: Intensity, i=2 in/hrrunoff coefficient, Cj = 0.01 *AAreas in acres, conversion factor, K=

Q: a. Derive a 2-hour Unit Hydrograph for a Watershed Area of 2600 acres. The total 2 hour rainfall was…

A: Watershed area = 2600 acres2 hr rainfall = 6 inrunoff for first two hours = 0.8 in = 2.032…

Q: 4. Given the following 2-hour unit hydrograph, determine the peak direct runoff rate (in cfs)…

A:

Q: Rainfall intensities during each 30 minutes of a 150-minute storm are presented in the table below.…

A:

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

A:

Q: For the given rainfall data, compute the runoff volume if the index is 0.9 in/hr. The watershed area…

A: φ  index = 0.9 in/hrWatershed area = 0.785 mi²  T(hr)          rainfall intensity (in/hr) 0- 3…

Q: The hyetograph rainfall event of 3 cm. in the figure corresponds to a

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Q: The hyetograph in the figure corresponds to a rainfall event of 3 cm. Rainfall intensity (mm/hour) 0…

A:

Q: Question 8. [2 Points] Create a 60-minute hydrograph for a 10-acre flat lawn covered with yellow…

A: 1. Calculate the runoff coefficient for yellow bluestem grass on clayey loam soil, typically around…

Q: Determine the required area (in ft2) of a bioretention basin to service runoff from a shopping…

A: Paved parking area: 3.9 acres Sidewalk area: 1.4 acres Landscaping area: 0.3 acresTo find:Determine…

Concepts of Flood Control

Flooding is a temporary overflow of water that submerges or covers the the usually dry land. It can also be defined as the overflow of the excess amount of water that covers a huge area of land which is normally dry.