Question 1

What is the best way to reduce risks due to river flooding?

Accepted Answer

A)  Build dykes. 
B)  Build diversion channels. 
C)  Build flood control dams. 
D)  Create good evacuation plans. 
E)  Don't build on floodplains. 
A)  Build dykes. 
B)  Build diversion channels. 
C)  Build flood control dams. 
D)  Create good evacuation plans. 
E)  Don't build on floodplains.

Question 2

Flooding is more likely after heavy rain falls on water-saturated soil,compared to heavy rain falling on dry soil.

Accepted Answer

A) True 
 B)False

Question 3

In Canada,new development is permitted within the flood fringe with no flood-specific requirements.

Accepted Answer

A) True 
 B)False

Question 4

The root cause of the severe flooding on the Yellow River in China is

Accepted Answer

A)  the porosity of the soil. 
B)  susceptibility to monsoons. 
C)  levee and dyke construction. 
D)  geologic. 
E)  geologic, coupled with dyke and levee construction. 
A)  the porosity of the soil. 
B)  susceptibility to monsoons. 
C)  levee and dyke construction. 
D)  geologic. 
E)  geologic, coupled with dyke and levee construction.

Question 5

The construction of levees can result

Accepted Answer

A)  in the widening of the floodplain. 
B)  in an increase in wetlands. 
C)  in a false sense of security from flooding. 
D)  in an elimination of flood risk. 
E)  in an increased ability to absorb flood waters. 
A)  in the widening of the floodplain. 
B)  in an increase in wetlands. 
C)  in a false sense of security from flooding. 
D)  in an elimination of flood risk. 
E)  in an increased ability to absorb flood waters.

Question 6

The Calgary flood of 2013 was primarily the result of

Accepted Answer

A)  heavy rainfall in the Rockies. 
B)  ice-jams. 
C)  an outburst from a glacial melt. 
D)  a rain-on-snow event. 
E)  an earthquake. 
A)  heavy rainfall in the Rockies. 
B)  ice-jams. 
C)  an outburst from a glacial melt. 
D)  a rain-on-snow event. 
E)  an earthquake.

Question 7

Floodplains are some of the most fertile and productive agricultural areas in the world.

Accepted Answer

A) True 
 B)False

Question 8

Building human infrastructure on alluvial fans is safe because floods are contained within known distributary channels.

Accepted Answer

A) True 
 B)False

Question 9

Flood risk in specific regions can never be predicted.

Accepted Answer

A) True 
 B)False

Question 10

If you hear on the news that a river has reached "flood stage," what does this statement mean?

Accepted Answer

A)  that the river has overflowed its banks 
B)  that the river has just reached bankfull discharge 
C)  that the water level has topped a levee 
D)  that the river discharge has peaked and is expected to decrease 
E)  that the water level is likely to cause property damage 
A)  that the river has overflowed its banks 
B)  that the river has just reached bankfull discharge 
C)  that the water level has topped a levee 
D)  that the river discharge has peaked and is expected to decrease 
E)  that the water level is likely to cause property damage

Question 11

If you were hiking in the wilderness,at which of the following locations would you be at a drainage basin boundary?

Accepted Answer

A)  when crossing a stream 
B)  at the mouth of a tributary 
C)  at a spring, where water is coming out of the ground 
D)  on a ridge 
E)  just below a mountain pass 
A)  when crossing a stream 
B)  at the mouth of a tributary 
C)  at a spring, where water is coming out of the ground 
D)  on a ridge 
E)  just below a mountain pass

Question 12

What is an outburst flood?

Accepted Answer

A very short-lived flood origi

Question 13

The total load of a stream refers to the particles of sand and gravel that roll and slide along the river channel.

Accepted Answer

A) True 
 B)False

Question 14

The flood stage of a river refers to the level of a river when the water flows out of the channel.

Accepted Answer

A) True 
 B)False

Question 15

Point bars are found on the inside of meander bends.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is NOT a benefit of dam construction?

Accepted Answer

A)  a reduction in the suspended load of the river 
B)  the creation of a reservoir for irrigation 
C)  recreational opportunities provided by artificial reservoirs 
D)  a reduction in flood risk downstream of the dam 
E)  the production of hydroelectric power 
A)  a reduction in the suspended load of the river 
B)  the creation of a reservoir for irrigation 
C)  recreational opportunities provided by artificial reservoirs 
D)  a reduction in flood risk downstream of the dam 
E)  the production of hydroelectric power

Question 17

Urbanization increases the lag time between the time of peak rainfall and the time of flooding.

Accepted Answer

A) True 
 B)False

Question 18

Ions in sewage and chemical effluent will make up part of a river's

Accepted Answer

A)  bed load. 
B)  suspended load. 
C)  dissolved load. 
D)  sliding load. 
E)  floating load. 
A)  bed load. 
B)  suspended load. 
C)  dissolved load. 
D)  sliding load. 
E)  floating load.

Question 19

Floods have been known to cause fires in populated areas.

Accepted Answer

A) True 
 B)False

Question 20

A stream in its natural state (unmodified by human infrastructure)will reach bankfull discharge on average

Accepted Answer

A)  5 times per year. 
B)  2 times per year. 
C)  once per year. 
D)  once every 1-2 years. 
E)  once every 5-6 years. 
A)  5 times per year. 
B)  2 times per year. 
C)  once per year. 
D)  once every 1-2 years. 
E)  once every 5-6 years.

What is the best way to reduce risks due to river flooding?

Flooding is more likely after heavy rain falls on water-saturated soil,compared to heavy rain falling on dry soil.

In Canada,new development is permitted within the flood fringe with no flood-specific requirements.

The root cause of the severe flooding on the Yellow River in China is

The construction of levees can result

The Calgary flood of 2013 was primarily the result of

Floodplains are some of the most fertile and productive agricultural areas in the world.

Building human infrastructure on alluvial fans is safe because floods are contained within known distributary channels.

Flood risk in specific regions can never be predicted.

If you hear on the news that a river has reached "flood stage," what does this statement mean?

If you were hiking in the wilderness,at which of the following locations would you be at a drainage basin boundary?

What is an outburst flood?

The total load of a stream refers to the particles of sand and gravel that roll and slide along the river channel.

The flood stage of a river refers to the level of a river when the water flows out of the channel.

Point bars are found on the inside of meander bends.

Which of the following is NOT a benefit of dam construction?

Urbanization increases the lag time between the time of peak rainfall and the time of flooding.

Ions in sewage and chemical effluent will make up part of a river's

Floods have been known to cause fires in populated areas.

A stream in its natural state (unmodified by human infrastructure)will reach bankfull discharge on average

Introduction to Natural Hazards

Internal Structure of Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes and Volcanic Eruptions

Landslides

Snow Avalanches

Subsidence and Soil Expansion and Contraction

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Waves, Currents, and Coastlines

Wildfires

Climate Change

Meteorite Impacts and Extinctions

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Exam 9: River Flooding

What is the best way to reduce risks due to river flooding?

Flooding is more likely after heavy rain falls on water-saturated soil,compared to heavy rain falling on dry soil.

In Canada,new development is permitted within the flood fringe with no flood-specific requirements.

The root cause of the severe flooding on the Yellow River in China is

The construction of levees can result

The Calgary flood of 2013 was primarily the result of

Floodplains are some of the most fertile and productive agricultural areas in the world.

Building human infrastructure on alluvial fans is safe because floods are contained within known distributary channels.

Flood risk in specific regions can never be predicted.

If you hear on the news that a river has reached "flood stage," what does this statement mean?

If you were hiking in the wilderness,at which of the following locations would you be at a drainage basin boundary?

What is an outburst flood?

The total load of a stream refers to the particles of sand and gravel that roll and slide along the river channel.

The flood stage of a river refers to the level of a river when the water flows out of the channel.

Point bars are found on the inside of meander bends.

Which of the following is NOT a benefit of dam construction?

Urbanization increases the lag time between the time of peak rainfall and the time of flooding.

Ions in sewage and chemical effluent will make up part of a river's

Floods have been known to cause fires in populated areas.

A stream in its natural state (unmodified by human infrastructure)will reach bankfull discharge on average

Introduction to Natural Hazards

Internal Structure of Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes and Volcanic Eruptions

Landslides

Snow Avalanches

Subsidence and Soil Expansion and Contraction

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Waves, Currents, and Coastlines

Wildfires

Climate Change

Meteorite Impacts and Extinctions

Filters