Geoscience in Cinema - Homework #7 (3/4/24)

In Wikipedia, look up "Controlled burn", read the intro then scroll down to "Procedure" and answer this question: Which of the following is an objective or consequence of a controlled burn?

- It reduces fuels to prevent subsequent larger fires. - It can be used to stop a wildfire that is already in progress. - Such fires are started next to a man-made or natural firebreak.

In Wikipedia, look up "Aerial firefighting", read the intro then scroll down to "Water bombers", and answer this question: True or False: One of the major drawbacks of fixed-wing air tankers is that they all need to refill by returning to a properly equipped airbase.

False.

In Wikipedia, look up "Fire" and answer this question: Which of the following is not a component of the fire tetrahedron?

Nitrogen

In Wikipedia, look up "Wildfire suppression", read the intro then scroll down to "Indirect attack", and answer this question: Which of the following is not an example of an indirect attack?

Wetting a fire.

In Wikipedia, look up "Ed Pulaski" and answer this question: Which of the following did Ed Pulaski accomplish?

- He saved most of his 45-man crew from the Great Fire of 1910 by forcing them at gunpoint into an abandoned mine. - He petitioned the government for money to care for the graves of the dozens of firefighters killed by the 1910 fire. - He invented the Pulaski tool for digging and chopping use by most wildland firefighters.

In Wikipedia, look up "Wildfire", read the intro then scroll down to "Spread", and answer this question: Which of the following influences how a wildfire will spread?

- Weather conditions -Moisture content - Vertical arrangement (topography)

In Wikipedia, look up "Firebreak" and answer this question: What is a firebreak (or fireline)?

A gap in vegetation that acts as a barrier to slow or stop the progress of a wildfire.

In Wikipedia, look up "Fire shelter" and answer this question: What is a fire shelter?

A safety device of last resort used by wildland firefighters when trapped by wildfires.

In Wikipedia, look up "Wildfire", read the intro then scroll down to "Spread", and answer this question: What is a crown fire?

Fires in tree canopies

In Wikipedia, look up "Wildfire", read the intro then scroll down to "Physical properties", and answer this question: What does the pyrolysis of wood release?

Flammable gas

In Wikipedia, look up "Aerial firefighting", read the intro then scroll down to "Helicopters", and answer this question: Which body of water can helitankers not fill their buckets in?

Helitankers can use all the above to refill their bucket: - Lakes -Rivers -Reservoirs

In Wikipedia, look up "Aerial firefighting", read the intro then scroll down to "Tactics and capabilities", and answer this question: Where are fire retardants usually dropped by aerial firefighters?

In front or around a moving fire to create a firebreak.

In Wikipedia, look up "Yarnell Hill Fire" and answer this question: What was special about the Yarnell Hill Fire that a movie was made to recount what happened?

It overran and killed 19 members of the Granite Mountain Hotshots.

In Wikipedia, look up "Great Fire of 1910" and answer this question: Which of the following is not true regarding the Great Fire of 1910?

It was caused exclusively by lightning.

In Wikipedia, look up "Great Fire of 1910", read the intro then scroll down to "Legacy", and answer this question: Which of the following was a legacy of this fire?

It was decided that the Forest Service should prevent and battle every wildfire.

In Wikipedia, look up "Smokejumper" and answer this question: What are smoke jumpers?

Specially trained wildland firefighters who provide an initial attack response on remote wildland fires by being dropped in by parachute.

In Wikipedia, look up "Wildfire", read the intro then scroll down to "Spread", and answer this question: Which of the following types of fire involves low-lying vegetation?

Surface

In Wikipedia, look up "Hotshot crew" and answer this question: Which is not a description of a hotshot crew?

They are often inserted at the site of the fire by parachute.

In Wikipedia, look up "Wildfire", read the intro then scroll down to "Prevention", and answer this question: True or False: North American firefighting policies permit naturally caused fires to burn to maintain their ecological role, so long as the risks of escape into high-value areas are mitigated.

True

In Wikipedia, look up "Fire" and answer this question: True or False: Water vapor is a primary component produced by fire.

True.