If the average rainfall intensity for 50 years of records is 50 mm/h (2.0 iph) for a storm duration of 60 min and the coefficient of variation of the data is 0.324. Compute the theoretical rainfall intensities for a return periods of 2, 5, 20, and 100 years. Assume that the log-probability law is applicable.

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Probability, risk and uncertainty analysis for hydrological design

It gives a framework that is financially critical for finding the exceptional designs of hydrological systems with a reduced cost in total inclusive of the project cost and the disaster mitigation cost. But there would be hardly any assessment of a decent quality damage function. Hence, errors in demonstrating the hydrologic events, incorrect model parameters, and so on may occur. Here, we will discuss a specific hydrological design that of a detention basin for studying and understanding the risk-based procedure, uncertainties, and probability analysis by following a systematic framework.