6. Floods

Question 1

Procedure to perform a Flood frequency analysis

Answer 1

1. Selection of sample (e.g. annual series)
2. Plausibility of data (homogeneity, consistency)
3. Selection of probability distribution F(x)
4. Estimation of parameters
5. Test for goodness of fit, confidence intervals
6. Application for design

Question 2

Possible problems with the estimation of design floods:

Answer 2

Obs data not consistent

2. Selection of PD not suitable
3. Observed data is too short
4. The sample is not homogeneous