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There are many important dams and other structures on catchments smaller than 1000 km² with response times less than 24 hours, however these catchments have been largely overlooked in previous research into large and extreme floods. This paper is an initial step in “catching up” design practice for short duration rainfall events to the current best practice that is available for estimation of floods from rainfall events with durations of 24 hours and greater.

Two issues are specifically addressed in this paper. Firstly, a regional analysis of short duration rainfall depths is conducted to extend the frequency curve beyond an AEP of 1 in 100. Rainfall frequency curves are estimated for durations between 0.5 and 12 hours, using data from ten pluviograph sites around Australia. Secondly, sets of temporal patterns are derived that could be useful in joint probability analysis of short duration rainfall events. The effects of these new rainfall depths and temporal patterns on flood frequency curves are tested by applying them to rainfall-runoff routing models for three dams with small catchment areas.

Now showing 1–12 of 15 search results:

  • $15.00
    2003  Papers

    2003 – RAINFALL DEPTHS AND TEMPORAL PATTERNS FOR SHORT DURATION EXTREME EVENTS

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    2003  Papers

    2003 – Rainfall Depths and Temporal Patterns fort Short Duration Extreme Events

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    2004  Papers

    2004 – Modelling the response of native fish to altered habitat, flow and temperature downstream of large dams

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    2004  Papers

    2004 – Modelling the Response of Native Fish to Altered Habitat, Flow and Temperature Downstream of Large Dams

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    2005  Papers

    2005 – THE EXTREMES OF TROPICAL HYDROLOGY

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    2005  Papers

    2005 – The Extremes of Tropical Hydrology

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    2006  Papers

    2006 – Development and Application of a Risk Analysis and Prioritisation Tool (RAPT) for Dam Safety Management

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    2014  Papers

    2014 – Stochastic Simulation of Inflow Hydrographs for Wivenhoe and Somerset Dams

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    2013  Papers

    2013 – Justification and scope for revision of the ANCOLD Acceptable Flood Capacity guidelines

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    2012  Papers

    2012 – The Victorian Floods Review: a hydrologist’s perspective for dam owners

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    2012  Papers

    2012 – Applying joint probabilistic techniques to the determination of downstream coincident flows and incremental consequences of dam failure

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    2008  Papers

    2008 – Estimating construction flood risk

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    2010  Papers

    2010 – Application of Available Climate Science to Assess the Impact of Climate Change on Spillway Adequacy

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    2011  Papers

    2011 – Assessment of Hydrologic Risk for Hume Dam

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    2011  Papers

    2011 – Factors Influencing the Estimation of Extreme Floods

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