Australian Rainfall and Runoff (ARR) Revision Projects and Guideline
Australian Rainfall and Runoff (ARR) is a national guideline for the estimation of design flood characteristics in Australia. It is published by Engineers Australia. The 1987/1999 edition has served the industry well but is now being revised. The revision process includes 21 research projects, which have been designed to fill knowledge gaps that have arisen since the 1987 edition was published.
The research projects allow industry to comment on the technical direction before the new edition of the ARR guideline is released.
Keeping ARR up-to-date is an important component in the provision of reliable (robust) estimates of flood risk. This ensures that development does not occur in high risk areas and that infrastructure is appropriately designed.
Stage 1 and 2 were funded by the Federal Department of Climate Change and Energy Efficiency. The Bureau of Meteorology (BoM) has been funding Stage 2 and 3 of the Intensity-Frequency-Duration (IFD) revision.
Geoscience Australia will fund Engineers Australia $5.15 million over three years to complete the vital third and final stage. This was made possible through funding provided by the Australian Government through the National Flood Risk Information Project.
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10 Dec, 2013
Four draft chapters have been released and are available on the ARR webpage. Two of these chapters have been developed from ARR research projects, these are:
Book 5 – Chapter 4 – Baseflow Model…