An urban area of 100,000 m^2 has a runoff coefficient of 0.45.Using a time of concentration of 25 min and the data of Fig. 13-1,compute the peak discharge resulting from a 10-year storm.
Rainfall and rainfall intensity for a 10-year return period in New Orleans Average Intensity Duration 5 min 10 min 15 min 30 min 60 min 2 hrs 3 hrs 6 hrs 12 hrs 24 hrs Net rainfall, (in) 0.68 1.19 1.54 2.43 3.35 4.40 5.0 6.20 TABLE 13 - 1 7.50 9.00 In /h 8.16 7.14 6.16 4.86 3.35 2.20 1.67 1.03 0.63 0.38 mm/h 207 181 156 123 85 56 42 26 16 10
An urban area of 100,000 m^2 has a runoff coefficient of 0.45. Using a time of concentration of 25 min and the data of F
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