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5134620
Why do bushfires occur?
Description
Mind Map of the main causes of bushfires
No tags specified
geography
bushfires
mind map
why do bushfires occur
geography
bushfires
western australian certificate of education (wace)
Mind Map by
Hayden McElduff
, updated more than 1 year ago
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Created by
Hayden McElduff
over 8 years ago
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Resource summary
Why do bushfires occur?
Fuel
Twigs and leaves
Undergrowth and vegataion
More concentrated the fuel, faster a fire can burn
Weather
Wind speed
Wind gives continuous oxygen
High temperature
Hot, dry conditions and high winds = bushfires
no rainfall can increase risk
Wind can light new fires (spot fires)
Wind reduces humidity and cause fires to continue burning
Wind blows flames into fresh fuel
Topography and slope
Every 10° slope increases the speed of fire doubles
decelerate going downhill
accelerate going uphill
Temperature inversion
inversions common during night when cool air collects close to ground
Inversion is where a layer of warm air sits above a layer of cold air
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