Wildfires Flashcards
1
Q
What are wildfires
A
generic name for uncontrolled rural fire
2
Q
Ground
A
Burns beneath the ground in layers of fry organic peat
3
Q
Surface
A
Burns across surface vegetation
4
Q
Ladder effect
A
fires spreading from floor to tree canopy
5
Q
Crown
A
spreads across tree canopies and affects forested areas
6
Q
Distribution of wildfires
A
Natural cycles of rainfall, dryness and lightning. In other parts of the world - result of human activity
7
Q
What is needed for wildfire to occur
A
Oxygen Heat and Fuel
Climatic conditions eg heat wind and el nino
Ignition - natural or human
8
Q
Human causes
A
Arson
Cigarettes
Campfire
Controlled Burning
Fireworks
9
Q
Natural causes
A
El Nino
Lightning
Drought
Lava Flows
10
Q
The spread of fires
A
Slow fire spread downhill and rapid fire spread uphill
