Floodplain Management: An Examination of Factors that effect Decision Makers Prior to and During a Flood Emergency
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Tomlinson, Rodger
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Apelt, Colin
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Abstract
This thesis is directed to preparing for and managing floods that overwhelm floodplain management measures already in place in South East Queensland’s extensively developed residential floodplains. Such floods would generally have a magnitude greater than the 100 year annual recurrence interval. The thesis examines the context and preventative measures that lead to the development of counter disaster plans, and thence to examining the factors that affect decision makers prior to, and at the onset of a flood emergency. The standard flood mitigation tools are prevention through behaviour modification, land use planning, physical mitigation measures (aimed at modifying floodwater behaviour), and emergency planning. These measures can overlap, and the thesis finds that to be fully effective, the measures must be developed through interaction with the community, and be accompanied by community education and awareness programs. A great deal of work undertaken in the last 10 to 15 years has defined parameters for the sustainable use of flood prone land and emergency planning. Numerical modelling of hydrologic and hydraulic processes has improved significantly, and physical mitigation measures are well known. Additionally, thought has been devoted to the adverse consequences of flooding.
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Thesis (PhD Doctorate)
Degree Program
Doctor of Philosophy (PhD)
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Griffith School of Environemnt
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The author owns the copyright in this thesis, unless stated otherwise.
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Subject
Flood mitigation tools
Flood emergency management
Flood threats
Flood preparedness