Hazards- Wildfires Flashcards

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1
Q

Location of wildfires

A
  • uneven distribution but more common in Southern Hemisphere
  • clustered eg. East coast of South America and Southern Africa
  • occur on all continents except Antarctica
  • some isolated eg. East of England
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2
Q

What 3 things to wildfires need to start?

A
  • fuel
  • heat
  • oxygen
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3
Q

El Niño

A
  • takes place every 6-8 years
  • causes warm water to shift eastwards across the Pacific Ocean and towards South America
  • weather conditions created by the El Niño are favourable for wildfires
  • occur in the summer
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4
Q

Impact of global warming on wildfires

A
  • the wildfire hazard is increasing due to global warming
  • temperate increase heats vegetation and other fuels
  • fuels are more likely to ignite and start a wildfire
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