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A Level Physical Geography > Wildfires > Flashcards

Flashcards in Wildfires Deck (12)
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1

Give three types of fire

Ground fire - small smouldering slow fire
Surface fire - leaf litter and low lying vegetation
Crown fire - fire moves rapidly through the canopy

2

Describe vegetation conditions that would favour a wildfire

Thick undergrowth closely spaced trees
Eucalyptus produce oils that burn easily

3

Give examples of how the type of fuel may exaggerste a wildfire

Fine dry material
Firebands - some plants will split and throw out flammable material

4

Describe how previous weather conditions will lead to a forest fire

Enough rain for vegetative to become dense but still very dry

5

What two types of causes are there of wildfires?

Natural - lightening or volcanic eruptions
Human - cigarettes, arson, campfires

6

Give some longer term responses to a wildfire

Better public education
Emergency plans
Promotion of non flammable materials

7

What year did the alberta wildfire occur in?

2016

8

What were the impacts of the Alberta wildfire?

Social
90,000 evaucated
2400 homes destroyed
Economic
$ 9 billion dollars of damage to city of fort McMurray, largely because of losses in oil industry ( global impact = oil prices rose)

Environmental
Aquatic life damaged, biodiversity reduced
Toxic pollution e.g. Mercury contamination e.g. In rivers

9

What was the total area of land burnt by the 2016 alberta wildfire?

600,000

10

Describe the positive feedback loop that occurred in the Alberta wildifre?

Fire = change in climactic conditions that favour lightning
Lightning strikes = more fire

11

Describe the short term responses to the Alberta wildfire

Evacuation
Usa and russian firefighters helped

12

Describe the longer term responses to the Alberta wildfire

$1250 given to adults to cope with living costs
$18 million spent on counselling to help cope with stress
A buy local scheme - promote local businesses