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This paper presents a number of innovative hydrologic investigations undertaken for the recent
detailed design of upgrades for Ross River Dam in North Queensland. A key issue for estimating
extreme floods in the tropics is the estimation of flood events of long critical durations. The
implication is that there is an increased focus on estimating the correct volume (not only the peak
flow). This paper describes the regional analysis of flow volumes that was used to validate the
estimated flood volumes.
Another issue of considerable importance is the assumed relationship between inflows and initial
reservoir level. The analyses described in this paper showed that inflows are independent of reservoir levels for the more frequent events but for more extreme events they are correlated. This has important implication on how the initial reservoir level is incorporated in the hydrologic analysis. The final aspect covered by the paper is the derivation of seasonal flood frequency curves. This is particularly important given the highly seasonal nature of rainfalls in the tropics and the results are important for assessing risks during construction and scheduling the upgrade works.

Now showing 1–12 of 28 search results:

  • $15.00
    2005  Papers

    2005 – THE EXTREMES OF TROPICAL HYDROLOGY

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  • $15.00
    2005  Papers

    2005 – The Extremes of Tropical Hydrology

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  • $15.00
    2006  Papers

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

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  • $15.00
    2014  Papers

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

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  • $15.00
    2015  Papers

    2015 – Towards consistency in potential loss of life estimates: Testing the new Reclamation Consequence Estimating Methodology

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    2016  Papers

    2016 – Benchmarking 2D Hydraulic Models for Dambreak and Consequence Assessments

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    2017  Papers

    2017 – Observations from Five Australian Applications of HEC-LifeSim to Estimate Potential Loss of Life from Dam Failure

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    2017  Papers

    2017 – Tailoring Consequence Assessments for Retarding Basins

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    2017  Papers

    2017 – The Design Flood Frequencies for My Dam Have Changed – Why?

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    2018  Papers

    2018 – Using HEC-LifeSim to Better Understand and Reduce Dam Failure Consequences for Three Case Studies Around Australia

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  • $15.00
    2020  Papers

    2020 – Demonstrating risk benefits of improved monitoring and surveillance

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  • $15.00
    2020  Papers

    2020 – Estimation of consequences for WaterNSW’s diverse portfolio of Greater Sydney dams

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  • $15.00
    2020  Papers

    2020 – Implications of NSW Dams Safety Regulation 2019 on dam safety risk management

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  • $250.00
    Video

    Dambreak & Consequences (September 2013) – MODULES 1-5 – Full Course

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  • $0.00 - $80.00
    Video

    Dambreak & Consequences (September 2013) – MODULES 1-5 – Individual Modules

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  • $15.00
    2014  Papers

    2014 – Considerations for Flood Estimation of Water Retaining Structures in Urban Catchments

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