Hydrology - Flood Frequency Analysis

A bridge with an expected life of 50 years is designed for a flood of 10000 m³/s corresponding to the return period of 100 years. The risk associated with this design is ________ (rounded off to two decimal places).

A water resources project with an expected life of 25 years has to be designed for an acceptable risk of 5% against a design flood. The return period for the design flood (in years) is ________ (rounded off to the neares...

The probability that the annual maximum flood discharge will exceed 25000 m³/s, at least once in next 5 years is found to be 0.25. The return period of this flood event (in years, round off to 1 decimal place) is _______...