Question 1

Discuss ways in which vegetation can both increase and decrease slope stability.

Accepted Answer

Increases slope stability: (1)provides c

Question 2

Describe how flowing water in a stream can destabilize its banks.

Accepted Answer

Streams can erode materials at

Question 3

The factor of safety for a slope can be increased by

Accepted Answer

A)  the addition of water. 
B)  rising water table. 
C)  removal of tree roots. 
D)  decreased cohesion. 
E)  increased cohesion. 
A)  the addition of water. 
B)  rising water table. 
C)  removal of tree roots. 
D)  decreased cohesion. 
E)  increased cohesion.

Question 4

Describe a possible linkage between landslides and tsunamis.

Accepted Answer

A large landslide ca

Question 5

The forces acting on slopes rarely change with time.

Accepted Answer

A) True 
 B)False

Question 6

Urbanization,tree cutting and climate change will increase landslide risk in coming years.

Accepted Answer

A) True 
 B)False

Question 7

Landslides can cause tsunami.

Accepted Answer

A) True 
 B)False

Question 8

What are gabions and how are they used?

Accepted Answer

Gabions are rock filled wire c

Question 9

If you were deciding whether to purchase a house,and on the property you observed that the trees were convex at the base,but straight higher up,what would you do?

Accepted Answer

This observation indicates that the land

Question 10

The tendency of some flows to rise higher on the outside of a bend in their paths than the inside,is referred to as

Accepted Answer

A)  centripetal flow. 
B)  slope creep. 
C)  ascension creep. 
D)  superelevation. 
E)  inertial flow. 
A)  centripetal flow. 
B)  slope creep. 
C)  ascension creep. 
D)  superelevation. 
E)  inertial flow.

Question 11

What is a rock avalanche?

Accepted Answer

It is a hi

Question 12

Is Turtle Mountain,the site of the Frank slide,at risk from another landslide? Explain.

Accepted Answer

Yes,a potentially unstable roc

Question 13

In order to keep small rocks from falling onto a road,you would

Accepted Answer

A)  install pipes to drain water out of the slope above the road. 
B)  install rock bolts to firmly attach the rocks to the slope. 
C)  install metal mesh over the slope to intercept small rocks. 
D)  remove all the small rocks from the slope above the road. 
E)  remove any trees from the slope above the road. 
A)  install pipes to drain water out of the slope above the road. 
B)  install rock bolts to firmly attach the rocks to the slope. 
C)  install metal mesh over the slope to intercept small rocks. 
D)  remove all the small rocks from the slope above the road. 
E)  remove any trees from the slope above the road.

Question 14

The Frank slide is an excellent example of rock avalanche.

Accepted Answer

A) True 
 B)False

Question 15

Colluvium is a mixture of weathered rock and debris below soil.

Accepted Answer

A) True 
 B)False

Question 16

There are no benefits to landslides,as they provide no Natural Service Function.

Accepted Answer

A) True 
 B)False

Question 17

What instruments are used on Mt.Rainier to warn of debris flows and lahars coming off the mountain?

Accepted Answer

A)  rain gauges 
B)  tiltmeters 
C)  rock fences 
D)  global positioning systems 
E)  acoustic flow monitors 
A)  rain gauges 
B)  tiltmeters 
C)  rock fences 
D)  global positioning systems 
E)  acoustic flow monitors

Question 18

Vegetation on a slope is always a stabilizing factor.

Accepted Answer

A) True 
 B)False

Question 19

Discuss possible community responses to an ongoing landslide problem.Consider both the costs and risks of each solution and rank them in order from most to least recommended.

Accepted Answer

For example,possible solutions include:

Question 20

Rock fall most commonly occurs during the summer months.

Accepted Answer

A) True 
 B)False

Discuss ways in which vegetation can both increase and decrease slope stability.

Describe how flowing water in a stream can destabilize its banks.

The factor of safety for a slope can be increased by

Describe a possible linkage between landslides and tsunamis.

The forces acting on slopes rarely change with time.

Urbanization,tree cutting and climate change will increase landslide risk in coming years.

Landslides can cause tsunami.

What are gabions and how are they used?

If you were deciding whether to purchase a house,and on the property you observed that the trees were convex at the base,but straight higher up,what would you do?

The tendency of some flows to rise higher on the outside of a bend in their paths than the inside,is referred to as

What is a rock avalanche?

Is Turtle Mountain,the site of the Frank slide,at risk from another landslide? Explain.

In order to keep small rocks from falling onto a road,you would

The Frank slide is an excellent example of rock avalanche.

Colluvium is a mixture of weathered rock and debris below soil.

There are no benefits to landslides,as they provide no Natural Service Function.

What instruments are used on Mt.Rainier to warn of debris flows and lahars coming off the mountain?

Vegetation on a slope is always a stabilizing factor.

Discuss possible community responses to an ongoing landslide problem.Consider both the costs and risks of each solution and rank them in order from most to least recommended.

Rock fall most commonly occurs during the summer months.

Introduction to Natural Hazards

Internal Structure of Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes and Volcanic Eruptions

Snow Avalanches

Subsidence and Soil Expansion and Contraction

River Flooding

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Waves, Currents, and Coastlines

Wildfires

Climate Change

Meteorite Impacts and Extinctions

Filters

Exam 6: Landslides

Discuss ways in which vegetation can both increase and decrease slope stability.

Describe how flowing water in a stream can destabilize its banks.

The factor of safety for a slope can be increased by

Describe a possible linkage between landslides and tsunamis.

The forces acting on slopes rarely change with time.

Urbanization,tree cutting and climate change will increase landslide risk in coming years.

Landslides can cause tsunami.

What are gabions and how are they used?

If you were deciding whether to purchase a house,and on the property you observed that the trees were convex at the base,but straight higher up,what would you do?

The tendency of some flows to rise higher on the outside of a bend in their paths than the inside,is referred to as

What is a rock avalanche?

Is Turtle Mountain,the site of the Frank slide,at risk from another landslide? Explain.

In order to keep small rocks from falling onto a road,you would

The Frank slide is an excellent example of rock avalanche.

Colluvium is a mixture of weathered rock and debris below soil.

There are no benefits to landslides,as they provide no Natural Service Function.

What instruments are used on Mt.Rainier to warn of debris flows and lahars coming off the mountain?

Vegetation on a slope is always a stabilizing factor.

Discuss possible community responses to an ongoing landslide problem.Consider both the costs and risks of each solution and rank them in order from most to least recommended.

Rock fall most commonly occurs during the summer months.

Introduction to Natural Hazards

Internal Structure of Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes and Volcanic Eruptions

Snow Avalanches

Subsidence and Soil Expansion and Contraction

River Flooding

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Waves, Currents, and Coastlines

Wildfires

Climate Change

Meteorite Impacts and Extinctions

Filters