Question 1

Water _______________ cm deep and above the vehicle floorboards can push a vehicle off the road and potentially drown the occupants.

Accepted Answer

The answer of Water _______________ cm deep and above the...

Question 2

The growth of _______________ is a major problem in buildings that have been flooded.

Accepted Answer

The answer of The growth of _______________ is a major...

Question 3

Building on the outside bend of a meander is the best location to reduce the possibility of bank erosion during a flood.

Accepted Answer

A) True 
 B)False

Question 4

Flood insurance is provided by the _______________.

Accepted Answer

National F...

Question 5

A structure that allows for controlled release of water from a levee is known as a(n) _______________.

Accepted Answer

The answer of A structure that allows for controlled release...

Question 6

When a large flood first breaches a levee, what are the characteristics of the water crossing the breach?

Accepted Answer

A)  relatively clear, highly eroding
B)  relatively cloudy, highly eroding
C)  relatively clear but not prone to strong erosion
D)  relatively cloudy but not prone to strong erosion
E)  about the same average sediment load as the flooding streamF) B) and D)
G) B) and C)

Question 7

The 10-m high Hope Mills Dam in _______________ failed twice, once in 2003 and once in 2010.

Accepted Answer

The answer of The 10-m high Hope Mills Dam in...

Question 8

Which is NOT an unintended consequence of building an artificial levee?

Accepted Answer

A)  It causes the stream to flow faster.
B)  It raises the water level during flooding.
C)  It causes more upstream flooding.
D)  It causes more downstream flooding.
E)  It protects towns from flooding for a time.F) C) and D)
G) B) and E)

Question 9

How does streambed mining affect a stream?

Accepted Answer

A)  It increases erosion in the downstream channel.
B)  It carries greater sediment load downstream.
C)  It slows stream water velocity.
D)  It increases groundwater supplies away from the stream.
E)  It steepens the channel gradient downstream.F) A) and E)
G) D) and E)

Question 10

Why is living on a floodplain behind a levee safe from flooding?

Accepted Answer

A)  Levees are rarely overtopped.
B)  Water cannot seep under levees to flood the floodplain.
C)  Levee banks are rarely eroded enough to fail.
D)  Once a levee is built high enough to contain a 100-year flood, it will never flood.
E)  Actually, 100-year flood levels often continue to get higher with time.F) All of the above
G) A) and D)

Question 11

Wing dams are used to constrict river channels to increase river depth for barge traffic during low flow.

Accepted Answer

A) True 
 B)False

Question 12

Although a levee may be initially of sufficient height to constrain a 100-year flood, the stream will eventually _______________ the levee in a larger flood.

Accepted Answer

The answer of Although a levee may be initially of...

Question 13

Which event did NOT occur during and after the flooding of the Cumberland River near Nashville in the spring of 2010?

Accepted Answer

A)  Levees were overtopped.
B)  Most of the damage was outside the floodplain.
C)  Over 30 people died.
D)  Many houses were filled with 2 m of water.
E)  Most people evacuated, since the failure occurred gradually.F) A) and B)
G) A) and C)

Question 14

What do rivers continually strive to do?

Accepted Answer

A)  Build up their sediment load.
B)  Disburse their sediment load.
C)  Minimize the energy they expend.
D)  Maximize the energy they expend.
E)  Maintain as straight a path as possible.F) None of the above
G) A) and E)

Question 15

U.S. taxpayers pay the cost of any loss under the federal flood insurance program.

Accepted Answer

A) True 
 B)False

Question 16

Which is NOT a type of early warning system for debris flows?

Accepted Answer

A)  trip wires
B)  acoustic flow monitors
C)  sirens
D)  weather alerts for increased hazard conditions
E)  alluvial fan monitorsF) A) and D)
G) C) and D)

Question 17

In which logging method are felled trees skidded downslope to be loaded on trucks?

Accepted Answer

A)  tractor yarding
B)  selective cutting
C)  slope collecting
D)  saw cut loading
E)  skid slopingF) D) and E)
G) B) and C)

Question 18

A(n) _______________ is a permeable structure meant to trap debris flows.

Accepted Answer

The answer of A(n) _______________ is a permeable structure meant...

Question 19

A dam built to store water for irrigation may lead to high reservoir levels behind the dam and too little remaining water storage in the reservoir to prevent downstream flooding during high rainfall or snowmelt.

Accepted Answer

A) True 
 B)False

Question 20

How does vegetation removal affect the contribution of sediment to streams?

Accepted Answer

Some water is taken up by plants in the ...

Exam 14: Floods and Human Interactions

Which is NOT a type of early warning system for debris flows?

Correct AnswerverifiedShow Answer

A(n) _______________ is a permeable structure meant to trap debris flows.

Correct AnswerverifiedShow Answer

Although a levee may be initially of sufficient height to constrain a 100-year flood, the stream will eventually _______________ the levee in a larger flood.

Correct AnswerverifiedShow Answer

The 10-m high Hope Mills Dam in _______________ failed twice, once in 2003 and once in 2010.

Correct AnswerverifiedShow Answer

Wing dams are used to constrict river channels to increase river depth for barge traffic during low flow.

Correct AnswerverifiedShow Answer

Which event did NOT occur during and after the flooding of the Cumberland River near Nashville in the spring of 2010?

Correct AnswerverifiedShow Answer

Flood insurance is provided by the _______________.

Correct AnswerverifiedNational F...View AnswerShow Answer

How does vegetation removal affect the contribution of sediment to streams?

Correct AnswerverifiedSome water is taken up by plants in the ...View AnswerShow Answer

Why is living on a floodplain behind a levee safe from flooding?

Correct AnswerverifiedShow Answer

In which logging method are felled trees skidded downslope to be loaded on trucks?

Correct AnswerverifiedShow Answer

Water _______________ cm deep and above the vehicle floorboards can push a vehicle off the road and potentially drown the occupants.

Correct AnswerverifiedShow Answer

Which is NOT an unintended consequence of building an artificial levee?

Correct AnswerverifiedShow Answer

A dam built to store water for irrigation may lead to high reservoir levels behind the dam and too little remaining water storage in the reservoir to prevent downstream flooding during high rainfall or snowmelt.

Correct AnswerverifiedShow Answer

What do rivers continually strive to do?

Correct AnswerverifiedShow Answer

When a large flood first breaches a levee, what are the characteristics of the water crossing the breach?

Correct AnswerverifiedShow Answer

The growth of _______________ is a major problem in buildings that have been flooded.

Correct AnswerverifiedShow Answer

Building on the outside bend of a meander is the best location to reduce the possibility of bank erosion during a flood.

Correct AnswerverifiedShow Answer

How does streambed mining affect a stream?

Correct AnswerverifiedShow Answer

U.S. taxpayers pay the cost of any loss under the federal flood insurance program.

Correct AnswerverifiedShow Answer

A structure that allows for controlled release of water from a levee is known as a(n) _______________.

Correct AnswerverifiedShow Answer

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National F...
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Some water is taken up by plants in the ...
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