Tropical cyclone 'Roger' storm surge assessment

Stewart, J., Callaghan, D. P. and Nielsen, P. (2010) Tropical cyclone 'Roger' storm surge assessment Brisbane, Australia: School of Civil Engineering, The University of Queensland

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Author Stewart, J.
Callaghan, D. P.
Nielsen, P.
Title of report Tropical cyclone 'Roger' storm surge assessment
Formatted title
Editor H. Chanson
Publication date 2010-08-03
ISBN 9781742720029
Year available 2010
Open Access Status File (Publisher version)
Publisher School of Civil Engineering, The University of Queensland
Series Civil Engineering Research Reports series
Place of publication Brisbane, Australia
Start page 1
End page 171
Total pages 179
Collection year 2010
Language eng
Subjects 090599 Civil Engineering not elsewhere classified
091103 Ocean Engineering
Formatted abstract
The consideration and accurate prediction of storm surge to ensure the protection of coastal communities and infrastructure is very important for coastal areas. While the basic processes which are responsible for storm surge are widely accepted and understood, there remain recorded storm surge events which have not been able to be fully explained using accepted methods and theories. A detailed investigation into one such storm surge event which resulted from Tropical Cyclone ‘Roger’ in 1993 has been completed with the use of a hydrodynamic model and hindcast meteorological data. A MIKE 21 FM model was developed and simulated using hindcast wind and pressure data. The effect of wave radiation stresses and tides on the modelled surge was also investigated. The modelled storm surge was generally found to under-predict the tidal anomalies recorded during the event. The inclusion of tides in the model was not found to affect the modelled surge, while the inclusion of wave radiation stresses was found to improve the fit between the modelled and recorded surge. However, there remained areas of the recorded tidal anomalies which were not well replicated by the model or easily rationalised. The two key recommendations of the study are for the simulation of additional historical storm surge events and the permanent installation of current recording instrumentation (i.e. bottom mounted ADCP) on offshore tide stations.
Keyword Storm surge modelling
Tropical cyclone Roger
Storm surge
Wave setup
Gold Coast seaway
Q-Index Code AX
Q-Index Status Provisional Code
Additional Notes Research Report No: CE162. vi, 171 p. (plus title page and verso).

Document type: Research Report
Collection: School of Civil Engineering Publications
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Created: Tue, 03 Aug 2010, 09:51:07 EST by Dr David Callaghan on behalf of School of Civil Engineering