Question 1

Floods can be a secondary effect of earthquakes and landslides.

Accepted Answer

A) True 
 B)False

Question 2

The base level of a river is the lowest elevation to which it may erode.

Accepted Answer

A) True 
 B)False

Question 3

A river which contains a curving channel and multiple floodplains is known as a ________ river.

Accepted Answer

A)  anastomosing 
B)  braided 
C)  meandering 
D)  avulsing 
E)  ox bow 
A)  anastomosing 
B)  braided 
C)  meandering 
D)  avulsing 
E)  ox bow

Question 4

What type of channel pattern would you expect in a region of tectonic uplift with high sediment supply and large diurnal variations in water discharge?

Accepted Answer

A)  meandering 
B)  anastomosing 
C)  braided 
D)  deluvian 
E)  alluvial 
A)  meandering 
B)  anastomosing 
C)  braided 
D)  deluvian 
E)  alluvial

Question 5

The flooding in Pakistan in 2010 was catastrophic,with over 2000 people dead and 21 million people homeless.The reason this was so devastating was

Accepted Answer

A)  it happened quickly and caught people unaware. 
B)  it was a secondary effect of an earthquake, which damaged infrastructure. 
C)  the country is heavily populated in flood risk areas. 
D)  the country lacked sufficient flood monitoring and warning, has poor transportation systems and inefficient resources for disaster relief. 
E)  FEMA did not mobilize quickly enough. 
A)  it happened quickly and caught people unaware. 
B)  it was a secondary effect of an earthquake, which damaged infrastructure. 
C)  the country is heavily populated in flood risk areas. 
D)  the country lacked sufficient flood monitoring and warning, has poor transportation systems and inefficient resources for disaster relief. 
E)  FEMA did not mobilize quickly enough.

Question 6

Floods can be a secondary effect of earthquakes.

Accepted Answer

A) True 
 B)False

Question 7

What two pieces of information would you need in order to calculate river discharge?

Accepted Answer

(1)flow velocity,and

Question 8

If you were in a car and encountered fast-moving flood waters crossing the road in your path,it would be safe to drive through as long as the water is less than 1 metre deep.

Accepted Answer

A) True 
 B)False

Question 9

A downstream flood is characterised by

Accepted Answer

A)  lots of flooding but little destruction. 
B)  a large, slow rise in discharge at a particular location. 
C)  a large, rapid rise in discharge at a particular location. 
D)  little or no warning. 
E)  a rapid rise in discharge at all locations. 
A)  lots of flooding but little destruction. 
B)  a large, slow rise in discharge at a particular location. 
C)  a large, rapid rise in discharge at a particular location. 
D)  little or no warning. 
E)  a rapid rise in discharge at all locations.

Question 10

Which of the following categories accounts for most of the material transported by rivers?

Accepted Answer

A)  bed load 
B)  suspended load 
C)  sliding load 
D)  effluent load 
E)  dissolved load 
A)  bed load 
B)  suspended load 
C)  sliding load 
D)  effluent load 
E)  dissolved load

Question 11

Define the gradient of a river.

Accepted Answer

The gradient is the slope of t

Question 12

What is river avulsion?

Accepted Answer

Avulsion is the proc

Question 13

Anastomosed channels have a large number of intersecting active channels.

Accepted Answer

A) True 
 B)False

Question 14

Define a catchment,drainage basin,watershed,or river basin.

Accepted Answer

A region d

Question 15

The base level of a stream is at the river mouth.

Accepted Answer

A) True 
 B)False

Question 16

Of the following choices,in which situation would the timing of flooding be most difficult to predict?

Accepted Answer

A)  spring flooding from melting snowpack 
B)  flash flooding from intense downpours 
C)  flooding from heavy rainfall over a few days 
D)  flooding from melting glaciers on volcanoes 
E)  flooding from failure of natural dams 
A)  spring flooding from melting snowpack 
B)  flash flooding from intense downpours 
C)  flooding from heavy rainfall over a few days 
D)  flooding from melting glaciers on volcanoes 
E)  flooding from failure of natural dams

Question 17

Flash floods are the deadliest type of flood.

Accepted Answer

A) True 
 B)False

Question 18

How does an oxbow lake form?

Accepted Answer

A river meander is cut off whe

Question 19

Flash floods occur in the upper parts of drainage basins and in small tributary basins of a larger river.

Accepted Answer

A) True 
 B)False

Question 20

In a meandering channel,erosion occurs on the outside of a meander bend and deposition occurs on the inside.

Accepted Answer

A) True 
 B)False

Floods can be a secondary effect of earthquakes and landslides.

The base level of a river is the lowest elevation to which it may erode.

A river which contains a curving channel and multiple floodplains is known as a ________ river.

What type of channel pattern would you expect in a region of tectonic uplift with high sediment supply and large diurnal variations in water discharge?

The flooding in Pakistan in 2010 was catastrophic,with over 2000 people dead and 21 million people homeless.The reason this was so devastating was

Floods can be a secondary effect of earthquakes.

What two pieces of information would you need in order to calculate river discharge?

If you were in a car and encountered fast-moving flood waters crossing the road in your path,it would be safe to drive through as long as the water is less than 1 metre deep.

A downstream flood is characterised by

Which of the following categories accounts for most of the material transported by rivers?

Define the gradient of a river.

What is river avulsion?

Anastomosed channels have a large number of intersecting active channels.

Define a catchment,drainage basin,watershed,or river basin.

The base level of a stream is at the river mouth.

Of the following choices,in which situation would the timing of flooding be most difficult to predict?

Flash floods are the deadliest type of flood.

How does an oxbow lake form?

Flash floods occur in the upper parts of drainage basins and in small tributary basins of a larger river.

In a meandering channel,erosion occurs on the outside of a meander bend and deposition occurs on the inside.

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

Exam 9: River Flooding

Floods can be a secondary effect of earthquakes and landslides.

The base level of a river is the lowest elevation to which it may erode.

A river which contains a curving channel and multiple floodplains is known as a ________ river.

What type of channel pattern would you expect in a region of tectonic uplift with high sediment supply and large diurnal variations in water discharge?

The flooding in Pakistan in 2010 was catastrophic,with over 2000 people dead and 21 million people homeless.The reason this was so devastating was

Floods can be a secondary effect of earthquakes.

What two pieces of information would you need in order to calculate river discharge?

If you were in a car and encountered fast-moving flood waters crossing the road in your path,it would be safe to drive through as long as the water is less than 1 metre deep.

A downstream flood is characterised by

Which of the following categories accounts for most of the material transported by rivers?

Define the gradient of a river.

What is river avulsion?

Anastomosed channels have a large number of intersecting active channels.

Define a catchment,drainage basin,watershed,or river basin.

The base level of a stream is at the river mouth.

Of the following choices,in which situation would the timing of flooding be most difficult to predict?

Flash floods are the deadliest type of flood.

How does an oxbow lake form?

Flash floods occur in the upper parts of drainage basins and in small tributary basins of a larger river.

In a meandering channel,erosion occurs on the outside of a meander bend and deposition occurs on the inside.

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