Causes Flashcards
1
Q
How many do natural cause
A
Only 10%
2
Q
Natural (2)
A
Lightning
Volcanic eruptions
3
Q
What helps with spread (2+)
A
Burning fragments = firebrands = blown ahead of the flames + ignite new areas of the forest = spot fires
Firebrands can also roll down slope and create spot fires
4
Q
Human cause what amount where
A
85% in US
5
Q
Human causes what (3)
A
Camp fires
Discarded cigarettes
Arson
6
Q
What areas known as ‘wildland-urban interfaces’
A
Woodland that is particularly close to urban areas is most vulnerable to human hazards (campfires etc)
Sydney and Los Angeles are good examples