Wildfires Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Give three types of fire

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Describe vegetation conditions that would favour a wildfire

A

Thick undergrowth closely spaced trees

Eucalyptus produce oils that burn easily

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

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

A

Fine dry material

Firebands - some plants will split and throw out flammable material

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Describe how previous weather conditions will lead to a forest fire

A

Enough rain for vegetative to become dense but still very dry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What two types of causes are there of wildfires?

A

Natural - lightening or volcanic eruptions

Human - cigarettes, arson, campfires

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Give some longer term responses to a wildfire

A

Better public education
Emergency plans
Promotion of non flammable materials

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What year did the alberta wildfire occur in?

A

2016

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What were the impacts of the Alberta wildfire?

A
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

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

A

600,000

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

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

A

Fire = change in climactic conditions that favour lightning

Lightning strikes = more fire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Describe the short term responses to the Alberta wildfire

A

Evacuation

Usa and russian firefighters helped

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Describe the longer term responses to the Alberta wildfire

A

$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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly