Question 1

Many major cities are on floodplains. Give three reasons why people would want to live in areas that have periodic flooding.

Accepted Answer

People live near rivers because they provide a ready source of water, food (fish), recreation (boating, swimming, fishing), transportation, energy (hydroelectricity), scenic beauty, and fertile soil.

Question 2

Which of the following is NOT an example of how urbanization influences a river or stream?

Accepted Answer

A)  Urbanization decreases rainwater infiltration into the ground and therefore increases the frequency of floods. 
B)  Urbanization decreases rainwater infiltration into the ground and therefore increases the magnitude of floods. 
C)  Urbanization decreases flood lag time by the network of street sewers. 
D)  Urbanization increases rainstorm frequency and therefore increases the frequency of floods. 
A)  Urbanization decreases rainwater infiltration into the ground and therefore increases the frequency of floods. 
B)  Urbanization decreases rainwater infiltration into the ground and therefore increases the magnitude of floods. 
C)  Urbanization decreases flood lag time by the network of street sewers. 
D)  Urbanization increases rainstorm frequency and therefore increases the frequency of floods. D

Question 3

What is the floodplain?

Accepted Answer

A)  The area around a river that is the ultimate limit to how far it will ever flood 
B)  A flat area next to the river carved out by the rivers 
C)  The steep sides of the river channel that holds in the water 
D)  Earthen mounds that run parallel to the river and hold in the water during floods 
E)  A triangular shaped deposit that forms when a river flows into the ocean 
A)  The area around a river that is the ultimate limit to how far it will ever flood 
B)  A flat area next to the river carved out by the rivers 
C)  The steep sides of the river channel that holds in the water 
D)  Earthen mounds that run parallel to the river and hold in the water during floods 
E)  A triangular shaped deposit that forms when a river flows into the ocean B

Question 4

An alluvial fan can be found at the base level of rivers.

Accepted Answer

A) True 
 B)False

Question 5

What is the difference between stream discharge and stream stage? How are they related?

Accepted Answer

Discharge (Q) is the volume of water mov

Question 6

Flash floods are most common on the floodplains of large meandering rivers.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following loads are most likely to consist of heavy rocks and boulders?

Accepted Answer

A)  Bed load 
B)  Suspended load 
C)  Dissolved load 
D)  Structural load 
E)  Buoyant load 
A)  Bed load 
B)  Suspended load 
C)  Dissolved load 
D)  Structural load 
E)  Buoyant load

Question 8

The longitudinal profile of most streams is an upwardly curving line.

Accepted Answer

A) True 
 B)False

Question 9

Insurance and building codes are two important ways that the government can protect property from disaster in a flood.

Accepted Answer

A) True 
 B)False

Question 10

In which cycle do rivers NOT play an important role?

Accepted Answer

A)  hydrologic cycle 
B)  tectonic cycle 
C)  rock cycle 
D)  biogeochemical cycle 
A)  hydrologic cycle 
B)  tectonic cycle 
C)  rock cycle 
D)  biogeochemical cycle

Question 11

Which of the following are things that you should NOT do in preparing for a flood?

Accepted Answer

A)  Buy flood insurance. 
B)  Place sandbags to block water from entering doors. 
C)  Make a flood kit and place it in your basement. 
D)  Make a flood plan with members of your household. 
E)  Find out how to turn off utilities in the event of a flood. 
A)  Buy flood insurance. 
B)  Place sandbags to block water from entering doors. 
C)  Make a flood kit and place it in your basement. 
D)  Make a flood plan with members of your household. 
E)  Find out how to turn off utilities in the event of a flood.

Question 12

Channelization is one of the more drastic solutions to flooding because it can cause the draining of wetlands, which can have a negative impact on the wildlife.

Accepted Answer

A) True 
 B)False

Question 13

Flash floods are usually of short duration and therefore not very dangerous.

Accepted Answer

A) True 
 B)False

Question 14

At a river meander, erosion occurs on the outside part of the bend, and deposition occurs on the inside part of the bend.

Accepted Answer

A) True 
 B)False

Question 15

If you live on the 100 year floodplain, it means that you are guaranteed to have one large flood once every 100 years.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following adverse effects of natural hazards is NOT associated with flooding?

Accepted Answer

A)  Pollution 
B)  Disease 
C)  Destruction of buildings 
D)  Land upheaval 
E)  Economic loss 
A)  Pollution 
B)  Disease 
C)  Destruction of buildings 
D)  Land upheaval 
E)  Economic loss

Question 17

Where on a river would you most likely find cutbanks and why?

Accepted Answer

A)  On the outside of a bend because that is where the river erodes most. 
B)  On the inside of a bend because that is where the river erodes most. 
C)  On the outside of a bend because that is where the river deposits most. 
D)  On the inside of a bend because that is where the river deposits most. 
E)  At the bottom of the river because that is where it moves the fastest. 
A)  On the outside of a bend because that is where the river erodes most. 
B)  On the inside of a bend because that is where the river erodes most. 
C)  On the outside of a bend because that is where the river deposits most. 
D)  On the inside of a bend because that is where the river deposits most. 
E)  At the bottom of the river because that is where it moves the fastest.

Question 18

A river in flood stage can erode and transport more sediment than the same river in normal flow.

Accepted Answer

A) True 
 B)False

Question 19

What is the stage of a river?

Accepted Answer

A)  Volume of water that flows past a point over time 
B)  Height of water that is flowing 
C)  Age of the river 
D)  Elevation of the top of the river valley 
E)  Length of the river 
A)  Volume of water that flows past a point over time 
B)  Height of water that is flowing 
C)  Age of the river 
D)  Elevation of the top of the river valley 
E)  Length of the river

Question 20

Which homes built on the floodplain are most likely to sustain the greatest damage?

Accepted Answer

A)  Houses outside of the floodplain 
B)  Houses within the 100 year floodplain but outside the 20 year floodplain 
C)  Houses within the 20 year floodplain 
D)  All houses within the floodplain have an equal chance to sustain similar amounts of flood damage. 
A)  Houses outside of the floodplain 
B)  Houses within the 100 year floodplain but outside the 20 year floodplain 
C)  Houses within the 20 year floodplain 
D)  All houses within the floodplain have an equal chance to sustain similar amounts of flood damage.

Many major cities are on floodplains. Give three reasons why people would want to live in areas that have periodic flooding.

Which of the following is NOT an example of how urbanization influences a river or stream?

What is the floodplain?

An alluvial fan can be found at the base level of rivers.

What is the difference between stream discharge and stream stage? How are they related?

Flash floods are most common on the floodplains of large meandering rivers.

Which of the following loads are most likely to consist of heavy rocks and boulders?

The longitudinal profile of most streams is an upwardly curving line.

Insurance and building codes are two important ways that the government can protect property from disaster in a flood.

In which cycle do rivers NOT play an important role?

Which of the following are things that you should NOT do in preparing for a flood?

Channelization is one of the more drastic solutions to flooding because it can cause the draining of wetlands, which can have a negative impact on the wildlife.

Flash floods are usually of short duration and therefore not very dangerous.

At a river meander, erosion occurs on the outside part of the bend, and deposition occurs on the inside part of the bend.

If you live on the 100 year floodplain, it means that you are guaranteed to have one large flood once every 100 years.

Which of the following adverse effects of natural hazards is NOT associated with flooding?

Where on a river would you most likely find cutbanks and why?

A river in flood stage can erode and transport more sediment than the same river in normal flow.

What is the stage of a river?

Which homes built on the floodplain are most likely to sustain the greatest damage?

Introduction to Natural Hazards

Internal Structure of the Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes

Mass Wasting

Subsidence and Soils

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Coastal Hazards

Climate and Climate Change

Wildfires

Impacts and Extinctions

Filters

Exam 6: Flooding

Many major cities are on floodplains. Give three reasons why people would want to live in areas that have periodic flooding.

Which of the following is NOT an example of how urbanization influences a river or stream?

What is the floodplain?

An alluvial fan can be found at the base level of rivers.

What is the difference between stream discharge and stream stage? How are they related?

Flash floods are most common on the floodplains of large meandering rivers.

Which of the following loads are most likely to consist of heavy rocks and boulders?

The longitudinal profile of most streams is an upwardly curving line.

Insurance and building codes are two important ways that the government can protect property from disaster in a flood.

In which cycle do rivers NOT play an important role?

Which of the following are things that you should NOT do in preparing for a flood?

Channelization is one of the more drastic solutions to flooding because it can cause the draining of wetlands, which can have a negative impact on the wildlife.

Flash floods are usually of short duration and therefore not very dangerous.

At a river meander, erosion occurs on the outside part of the bend, and deposition occurs on the inside part of the bend.

If you live on the 100 year floodplain, it means that you are guaranteed to have one large flood once every 100 years.

Which of the following adverse effects of natural hazards is NOT associated with flooding?

Where on a river would you most likely find cutbanks and why?

A river in flood stage can erode and transport more sediment than the same river in normal flow.

What is the stage of a river?

Which homes built on the floodplain are most likely to sustain the greatest damage?

Introduction to Natural Hazards

Internal Structure of the Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes

Mass Wasting

Subsidence and Soils

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Coastal Hazards

Climate and Climate Change

Wildfires

Impacts and Extinctions

Filters