Hillslopes

Question 1

Factor of safety

Answer 1

(also called safety factor) For slope stability defined as the ratio of resisting to driving forces.

Question 2

Landslide

Answer 2

Specifically, rapid downslope movement of rock and/or soil; also a general term for all types of downslope movement.

Question 3

Mass Wasting

Answer 3

A comprehensive term for any type of downslope movement of earth materials.

Question 4

Rotational landslide

Answer 4

Type of landslide that develops in homogeneous material; movement is likely to be rotational along a potential slide plane

Question 5

Sinkhole

Answer 5

Surface depression formed by solution of limestone or collapse over a subterranean void such as a cave.

Question 6

Snow avalanche

Answer 6

Rapid downslope movement of snow, ice, and rock.

Question 7

Subsidence

Answer 7

Sinking, settling, or other lowering of parts of the crust of Earth.

Question 8

Translational Landslide

Answer 8

Type of landslide in which movement takes place along a definite fracture plane, such as a weak clay layer or bedding plane.