National Wind Risk Assessment (NWRA): A preliminary study of residential wind risk under both current and future climate: Methodology, Results and Limitations  


Authors / CoAuthors

Cechet, R.P. | Arthur, W.C. | DIVI, C.B. | Dunford, M.A. | Sanabria, L.A.

Abstract

These modelling techniques associated with 21st century climate simulations has enabled the assessment of regional wind hazard up to 2100 (four greenhouse gas scenarios) for the four regions, Hobart, Perth, Southeast Queensland and the Cairns/Innisfail region. The wind hazard assessments (current and future climates) were used in a wind risk model to investigate the impact on severe wind risk (residential building structural resilience) for the four regions considered. Australian Bureau of Statistics population projections were used to scale-up the number of residential structures based on the current ratio of residents per structure. A preliminary assessment of wind risk for the four case study regions, utilising the new modelled hazard methodology as well as the climate simulations, indicated little change in the hazard during the 21st century and therefore little or no change to the wind risk associated with the current residential building stock. When population projections were utilised to infer increased number of buildings (all built to the present standard), the proportion of legacy buildings within the building population declined resulting in a decline in wind risk.

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document

eCat Id

72807

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Commonwealth of Australia (Geoscience Australia)  
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Keywords

  • GA PublicationProfessional Opinion
( Theme )
  • climate
( Theme )
  • risk assessment
( Theme )
  • wind
Australian and New Zealand Standard Research Classification (ANZSRC)
  • Earth Sciences
  • Published_Internal

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2011-01-01T00:00:00

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Australian Government Security ClassificationSystem    

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Creative Commons Attribution 4.0 International Licence    

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geoscientificInformation

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Professional Opinion 2011/14

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