Exam 16: Unsafe Ground: Landslides and Other Mass Movements

Describe two ways of mitigating landslide hazards and describe how they work and what issues they may have.

The most important factor in determining if an area will be subject to mass movement is _______.

Moisture among sediment grains ________.

Weathering is a failure trigger because it ____________ of the material.

What is happening to the hillside in the tundra pictured below?

Well-rounded sand has a smaller ________ than irregularly shaped gravel.

Regolith consists of __________.

The principal difference between a slump and a debris slide is ________.

In a _________,submarine sediments flow chaotically downslope in submarine canyons.

Slumps typically arrive ________ at the bottom of a slope.

Liquefaction is most likely to occur in which type of area?

Slope failures are most likely to occur in ________ conditions.

Which of the following increases the risk of mass movement?

In the figure below,what would be the most effective way to stabilize the slope,assuming that the slope is in a dry,desert environment?

Compare and contrast a debris flow and a debris fall.

Why are submarine mass wasting events of concern to people living near sea level in coastal regions? (What hazard can be triggered by submarine mass wasting events?)

Which of the following factors decreases the risk of mass movement?

Which of the following situations is the most likely candidate for the occurrence of mass movements?

Which of the following consist(s)of large boulders placed at the base of coastal slopes?

Adding a small amount of water to a substance increase its cohesion; whereas,adding a lot of water decreases its cohesion.Why?