stimate the total excess/effective rainfall in mm for a 5% AEP storm. The temporal pattern distribution for a 45-min rainfall duration (5-min time step) for a South Australian catchment of 5.4 km2 is given below. 20 19.17 16.67 12.5 5 10 8.33 3.33 5 Consider: IL = 11.5 mm and CL = 1.7 mm/hr Total rainfall depth = 30.1 mm Plot the effective rainfall hyetograph of this Question in mm

Question information: Calculate rainfall erosivity (R in MJ.mm/ha.h) for two rainfall storms with the followi RY Rainfall storm 1: duration = 10 minutes, rainfall = 10 mm Rainfall storm 2: duration = 30 minutes, rainfall = 60 mm Assume that these were the only effective storms that caused erosion and the equation for energy is: e = 0.119+0.0873 log10 (im)

Question 2 3 pts Estimate the total excess/effective rainfall in mm for a 5% AEP storm. The temporal pattern distribution (in %) for a 45-min rainfall duration (5-min time step) for a South Australian catchment is given below. 13.18 9.3 9.3 13.18 20.93 13.95 13.18 20.93 13.95 4.65 8.53 6.98 Consider: Total rainfall depth = 26.2 mm IL = 7.8 mm and CL = 2.6 mm/hr Give your answer to two decimal places. Note: When presenting your answers, round your answer as instructed, but for your calculation, use as many decimal places as you have to avoid rounding errors.

6- Maximum annual rainfall depth data are fitted with a distribution that is positively skewed (i.e., it has a longer tail to the right). If the mean value for the distribution is 4.22 in, then the rainfall depth with return period 2 years will be (use the next page table): (5 p) (A) Strictly less than 4.22 in (B) Equal to 4.22 in (C) Strictly larger than 4.22 in (D) None of the above