wildfires Flashcards

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1
Q

What is the name for plants adapted to thrive from wildfires / are fire resistant?

A

Pyrophytic plants.

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2
Q

Give the word describing plants born out of fire (e.g - seeds released from heat)

A

Serotinous.

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3
Q

What are retardants?

A

Chemicals sprayed on wildfires to slow down the spread.

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4
Q

What percentage of wildfires are believed to be caused by human activity?

A

90%

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5
Q

What are the benefits of wildfires?

A

Remove harmful insects, diseased plants, open up light to forest floor.

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6
Q

What is the fire triangle?

A

A combination of the components needed for fire - heat/energy, oxygen and fuel.

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7
Q

What 3 types of wildfires are there?

A

Forest,
Brush,
Peatland.

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8
Q

What is the ladder effect?

A

To process where fire from the forest floor spreads to the canopy.

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9
Q

What are the 3 levels of fire?
What temperatures do they burn at?

A

Ground - 540 degrees
Surface - 900 degrees
Crown - 1100 degrees

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10
Q

Give a positive feedback cycle from a wildfire

A

Wildfire burns
smoke creates storm clouds because of quick convection.
Storm clouds start another fire through dry lighting.
plants burn down, generate space for new plants to fuel a later fire.

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11
Q

What natural factors cause wildfires?

A

lightning, droughts, el nino year.

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12
Q

What factors made the paradise wildfire intense?

A

Antecedent conditions
Topography
fuel loading
Time of day (

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