Reference no: EM131613111

The Task

For the Mooloolah River at Mooloolah gauging station, you have been tasked with implementing flow duration curves and a flood frequency analysis in R.

a report is required as part of the Html (or pdf) document. The length of the document should be such that it sufficiently conveys how and why you did the analysis you did and meets the requirements outlined in the criteria.

The flood frequency analysis you are required to undertake is to fit a flood probability model to the Annual Maximum Series.

The following steps are required to be implemented in knitr and uploaded to Bb. You should include both the .Rmd and html or pdf files that are produced (the marks assigned to each part are in []):

1. Construct three flow duration curves using (i) all the data, (ii) the low flow months, and (iii) the high flow months. You will need to first construct a monthly Box and Whisker plot to determine the months to include in each category.

2. Extract the Annual Maximum Series from the daily data, and compare with the Annual Maximum Series extracted from the annual data (from the Qld Water Monitoring Portal).

3. Construct three empirical distribution functions (or probability plots) using the Annual Maximum Series and the three plotting position formula from the revised Book 3 of ARR

4. Fit a distribution to the plot and comment on it's fit and why you chose it.

5. Apply confidence limits to the distribution.

6. Comment on the largest flood in the record, and estimate it's AEP.

Attachment:- Task.rar