Flood risk assessment in Australia : application of a holistic approach

    Research output: Chapter in Book / Conference PaperChapter

    Abstract

    Flooding is one of the worst natural disasters that cause notable loss of lives and economic damage in Australia similar to many other countries around the world. In Australia, during the 2010-12 periods alone, flood damage costs were estimated at over $20 billion and over 25 human deaths. The flood risk assessment is an essential part of development and operation processes which are subject to flood risk, such as design of hydraulic structures, development control and flood insurance studies. This chapter reviews the commonly adopted flood risk assessment methods adopted in Australia. This, in particular, presents the evolution of a holistic approach of flood estimation known as Joint Probability Approach (JPA)/Monte Carlo Simulation Technique (MCST) in Australia. This method considers the probabilistic nature of flood producing variables and their correlation in flood modelling using a runoff routing model. A case study is presented to illustrate the regionalisation and application of the JPA/MCST to an Australian catchment. It is found that the JPA/MCST can be applied successfully in practice with regional input data. This method can easily be adapted to other countries.
    Original languageEnglish
    Title of host publicationFlooding: Risk Factors, Environmental Impacts and Management Strategies
    EditorsMoseki Ronald Motsholapheko, Donald Letsholo Kgathi
    Place of PublicationU.S.
    PublisherNova Science
    Pages7-19
    Number of pages13
    ISBN (Print)9781631176128
    Publication statusPublished - 2014

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