Engineering, 18.10.2019 21:20 lyhkng2720

The 10-year idf curve for baton rouge is given as follow:

i = 60.86/ (t+6.75)^0.72

where i is the rainfall intensity in in/hr and t is the rainfall duration in minutes. if soil type for an area in baton rouge is sandy loam. the depression storage is 0.4 inches. for a 10-year 1-hour storm with uniform rainfall intensity, use the green-ampt method to calculate ponding time, tp, and the total infiltration (mm) at t = 1 hour.

for sandy loam, saturated hydraulic conductivity ks =11 mm/hr, porosity n = 0.453, initial soil moisture content thetai = 0.1375, and soil suction head at wetting front phif =110 mm.

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The 10-year idf curve for baton rouge is given as follow:

i = 60.86/ (t+6.75)^0.72