Abstract

A monitoring and decision support system has been developed to manage dangerous overtopping of the Marine Parade promenade seawall at Fairy Bower, Manly, Sydney Australia. The seawall fronts 750 m of highly used promenade at the southern end of Manly Beach, and experiences overtopping events that are hazardous to pedestrians and potentially damaging to infrastructure, several times per year. The infrequent nature of the events results in members of the public being caught off-guard and unaware of the extent of the hazard. The local council has commenced a program of either deploying signs, staff for raising awareness, or completely closing access to the promenade during overtopping events. A decision support system for forecasting hazardous overtopping events, and a monitoring system for verifying the forecasts and observing conditions, allows the council to better manage the hazard.

Full Text
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