Question 1

If you were a canoeist and you wanted to make maximum speed down a meandering river,what strategy might you adopt?

Accepted Answer

A)  Keep to the outside of meander bends in order to decrease the distance you have to travel. 
B)  Keep to the inside of meander bends in order to decrease the distance you have to travel. 
C)  Keep to the outside of meander bends in order to maximize your speed. 
D)  Keep to the inside of meander bends in order to maximize your speed. 
E)  Keep to the centre of the river in order to avoid running aground and losing time. 
A)  Keep to the outside of meander bends in order to decrease the distance you have to travel. 
B)  Keep to the inside of meander bends in order to decrease the distance you have to travel. 
C)  Keep to the outside of meander bends in order to maximize your speed. 
D)  Keep to the inside of meander bends in order to maximize your speed. 
E)  Keep to the centre of the river in order to avoid running aground and losing time.

Question 2

There is a greater risk of flooding in developing countries.

Accepted Answer

A) True 
 B)False

Question 3

For flooding to occur,heavy rain must fall within a few days prior to the flood event.

Accepted Answer

A) True 
 B)False

Question 4

What does a hydrograph show?

Accepted Answer

A hydrograph shows c

Question 5

Outburst floods are associated with

Accepted Answer

A)  the breaching of moraine-dammed lakes. 
B)  upstream floods. 
C)  flash floods. 
D)  urbanization. 
E)  ice jams on rivers. 
A)  the breaching of moraine-dammed lakes. 
B)  upstream floods. 
C)  flash floods. 
D)  urbanization. 
E)  ice jams on rivers.

Question 6

Describe a situation in which a flood event can increase hazards due to pollution.

Accepted Answer

Increase hazards: If a flood event cause

Question 7

Flooding is Canada's most common natural hazard.

Accepted Answer

A) True 
 B)False

Question 8

Within a river,deep areas produced by scour at high flow are known as

Accepted Answer

A)  pools. 
B)  runs. 
C)  riffles. 
D)  point bars. 
E)  cut banks. 
A)  pools. 
B)  runs. 
C)  riffles. 
D)  point bars. 
E)  cut banks.

Question 9

What is bankfull discharge?

Accepted Answer

This is the river di

Question 10

When a river is in flood,

Accepted Answer

A)  point bars begin to form. 
B)  it begins to meander. 
C)  bedload decreases. 
D)  avulsion can take place. 
E)  discharge decreases. 
A)  point bars begin to form. 
B)  it begins to meander. 
C)  bedload decreases. 
D)  avulsion can take place. 
E)  discharge decreases.

Question 11

Urbanization decreases surface runoff.

Accepted Answer

A) True 
 B)False

Question 12

If you were planning a hiking trip to the southwestern United States in an arid region with steep topography and little vegetation,what type of flooding hazard should you anticipate?

Accepted Answer

A)  major flooding of large rivers 
B)  snowpack flooding 
C)  floods from failure of human-built dams 
D)  flash floods 
E)  downstream floods 
A)  major flooding of large rivers 
B)  snowpack flooding 
C)  floods from failure of human-built dams 
D)  flash floods 
E)  downstream floods

Question 13

In an area where agriculture is the primary human use of floodplain land,which would be more damaging: a flood in the winter or a flood in the summer? Why?

Accepted Answer

Flooding during the growing se

Question 14

What is a levee?

Accepted Answer

A levee is an earthe

Question 15

Ice-jam floods only occur in the fall when rivers begin to freeze.

Accepted Answer

A) True 
 B)False

Question 16

The timing of spring discharges for particular streams can typically be estimated several months in advance.

Accepted Answer

A) True 
 B)False

Question 17

Floodplains are only built at times of overbank flow.

Accepted Answer

A) True 
 B)False

Question 18

Consider a river with a cross-sectional area of flow equal to 100 square metres and a flow velocity of 2 metres per second.What is this river's discharge?

Accepted Answer

A)  50 cubic metres per second 
B)  100 cubic metres per second 
C)  200 cubic metres per second 
D)  400 cubic metres per second 
E)  There is not enough information given to determine the discharge. 
A)  50 cubic metres per second 
B)  100 cubic metres per second 
C)  200 cubic metres per second 
D)  400 cubic metres per second 
E)  There is not enough information given to determine the discharge.

If you were a canoeist and you wanted to make maximum speed down a meandering river,what strategy might you adopt?

There is a greater risk of flooding in developing countries.

For flooding to occur,heavy rain must fall within a few days prior to the flood event.

What does a hydrograph show?

Outburst floods are associated with

Describe a situation in which a flood event can increase hazards due to pollution.

Flooding is Canada's most common natural hazard.

Within a river,deep areas produced by scour at high flow are known as

What is bankfull discharge?

When a river is in flood,

Urbanization decreases surface runoff.

If you were planning a hiking trip to the southwestern United States in an arid region with steep topography and little vegetation,what type of flooding hazard should you anticipate?

In an area where agriculture is the primary human use of floodplain land,which would be more damaging: a flood in the winter or a flood in the summer? Why?

What is a levee?

Ice-jam floods only occur in the fall when rivers begin to freeze.

The timing of spring discharges for particular streams can typically be estimated several months in advance.

Floodplains are only built at times of overbank flow.

Consider a river with a cross-sectional area of flow equal to 100 square metres and a flow velocity of 2 metres per second.What is this river's discharge?

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

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Exam 9: River Flooding

If you were a canoeist and you wanted to make maximum speed down a meandering river,what strategy might you adopt?

There is a greater risk of flooding in developing countries.

For flooding to occur,heavy rain must fall within a few days prior to the flood event.

What does a hydrograph show?

Outburst floods are associated with

Describe a situation in which a flood event can increase hazards due to pollution.

Flooding is Canada's most common natural hazard.

Within a river,deep areas produced by scour at high flow are known as

What is bankfull discharge?

When a river is in flood,

Urbanization decreases surface runoff.

If you were planning a hiking trip to the southwestern United States in an arid region with steep topography and little vegetation,what type of flooding hazard should you anticipate?

In an area where agriculture is the primary human use of floodplain land,which would be more damaging: a flood in the winter or a flood in the summer? Why?

What is a levee?

Ice-jam floods only occur in the fall when rivers begin to freeze.

The timing of spring discharges for particular streams can typically be estimated several months in advance.

Floodplains are only built at times of overbank flow.

Consider a river with a cross-sectional area of flow equal to 100 square metres and a flow velocity of 2 metres per second.What is this river's discharge?

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