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Abstract: Geographical information systems (GIS) have been used to model building flood damage in South East Queensland. The research shows that if a flood with a 1% annual exceedence probability (AEP) occurred simultaneously in all rivers in the region, 47,000 properties would be inundated, with about half of the properties likely to experience overfloor flooding. Ninety percent of affected properties are located in the Brisbane-Bremer River system and the Gold Coast catchment. Eighty-nine percent of properties affected by flooding are residential. Nearly 60% of the residential flood damage is located in the Brisbane-Bremer River system, with damage estimated to be highest in those areas which historically have suffered high flood losses. Equivalent average damage per residential building is highest in the Gold Coast catchment. If the cost of the actual damages were to be spread among all residential buildings in South East Queensland, than the equivalent flood damage would be 1.09% damage from a flood with a 1% AEP.

To cite this article: Middelmann, Miriam. Flood Risk in South East Queensland, Australia [online]. In: Water Challenge: Balancing the Risks: Hydrology and Water Resources Symposium 2002. Barton, A.C.T.: Institution of Engineers, Australia, 2002: [244]-[250]. Availability: <http://search.informit.com.au/documentSummary;dn=317277530008516;res=IELENG> ISBN: 0858257785. [cited 01 Sep 16].

Personal Author: Middelmann, Miriam; Source: In: Water Challenge: Balancing the Risks: Hydrology and Water Resources Symposium 2002. Barton, A.C.T.: Institution of Engineers, Australia, 2002: [244]-[250]. Document Type: Conference Paper, Research ISBN: 0858257785 Subject: Flood control; Buildings--Natural disaster effects; Affiliation: (1) Environmental Scientist, Geoscience Australia, ACT, Australia, GPO Box 378, Canberra, ACT, Australia, email: miriam.middelmann@ga.gov.au

Database: Engineering Collection