Human settlement indices for bushfire risk in Australia

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Alan Peter MARCH1, Lucy GROENHART1, Justin LEONARD2

1University of Melbourne; 2Commonwealth Scientific and Industrial Research Organisation (CSIRO)

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Human settlement indices for bushfire risk in Australia

  1. 1. Human Settlement Indices for Bushfire Risk in AustraliaAlan March, Lucy Groenhart - University of MelbourneJustin Leonard - CSIRO
  2. 2. Presentation:•Australian Settlements & Recent History•Bushfire Disaster Risks & Urban Planning•Factors of Risk & Extant Policy•Current Research
  3. 3. AUSTRALIAN SETTLEMENTS & RECENT HISTORY
  4. 4. Distribution of Australian PopulationSource: Australian Bureau of Statistics 2011
  5. 5. Bushfire Risk Contours(Blong.R.J, Sinai.D and Packham c2000 )
  6. 6. Require greater nuance of the characteristics of settlements RBushfire I Community Hazard Characteristics S K Environment
  7. 7. Bushfire in Victoria
  8. 8. 2009 Victoria, Australia Bushfire173 lives lost430,000 hectares land burnt2000+ homes and 61 commercial premises
  9. 9. Bushfire Disaster Risks & Urban PlanningWhat is Urban Planning?Bringing about favourable arrangements of land useand human settlements
  10. 10. Bushfire Risk Factors Topography Fuel (Vegetation) Climate and Weather Buildings and Urban Morphology Response, Human Factors & Management
  11. 11. Extant PolicyMainly based on Buildings & Separation Building code AS3959 Bushfire Management Overlay
  12. 12. CURRENT RESEARCH – URBAN MORPHOLOGY
  13. 13. What factors modify the movement of fire through asettlement?
  14. 14. Data from a number of fire complexes from 2009Victorian Bushfires are being assessed.
  15. 15. Assessed via GIS mappingand data sets.•Density of dwellings•Topography (slope)•Vegetation – type andmorphology•Street width•Street orientation•Grass reserves, fire breaks,perimeter roads•Street network permeability(access)
  16. 16. Density is ImportantFuel + wind + receiving environment = fire penetration
  17. 17. Space between Buildings
  18. 18. Vegetation near to structures
  19. 19. Fencing
  20. 20. Presentation:•Australian Settlements & Recent History•Bushfire Disaster Risks & Urban Planning•Factors of Risk•Extant Policy•Current Research

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