L9 - Wildfires Flashcards
Define a wildfire
Uncontrolled fires fuels by natural vegetation
What are the stages of fire development?
Stage 1: Convective heat - vertical growth e.g. underbrush to canopy
Stage 2: Radiative heat - lateral growth
What is the primary natural causes of wildfires?
Lightning
List 4 common human causes of wildfires
Arson
Campfires
Smoking
Debris Burning
What was the case study wildfire environment in the lectures?
Boreal forest
Where do most wildfires occur?
Tropics (Amazon, African Savannah, Indonesia)
What country has experienced three of the top 10 deadiest wildfires?
Australia
What was the worst wildfire in history? (In terms of number of people affected?)
Indonesia - 1994 - 3,000,000
What was the worst wildfire in history? (In terms of economic cost?)
Indonesia - 1997 - $8,000,000
What are the primary forms of fire suppression?
Controlled Burning
Firelines
Air Drops
What are the 3 primary consequences of climate change on wildfires?
Longer fire season
More frequent fires
More severe fires