Term
|
Definition
| is the steepest angle at which any loose material is stable |
|
|
Term
|
Definition
| is an important force holding soil grains together. surface tension of water between loose grains or cement between grains |
|
|
Term
|
Definition
| move slowly in a gradual process |
|
|
Term
|
Definition
| rockfalls in which the material breaks into numerous small fragments that flow at high velocity as a coherent stream |
|
|
Term
|
Definition
| the resistance to down slope movement of a flow or landslide |
|
|
Term
|
Definition
| a process in which water saturated sands jostled rearrange themselves into a closer packing arrangement. the expelled water spouts to form a sand boil. |
|
|
Term
|
Definition
| the weight of material on a slope |
|
|
Term
|
Definition
| the ease with which water can move though soils or rocks |
|
|
Term
|
Definition
| long bolts drilled into and expanded in an unstable rock mass to help keep it from landsliding |
|
|
Term
|
Definition
| a rock mass that falls from a steep slope |
|
|
Term
|
Definition
| a landslide in which the mass rotates as it slides on a basal slip surface. also called a slump. |
|
|
Term
|
Definition
| the angle of a slope as measured down from the horizontal |
|
|
Term
|
Definition
| downslope movement of snow |
|
|
Term
|
Definition
| the effect by which grains of sand are help together by thin films of water between them |
|
|
Term
|
Definition
| coarse, angular rock fragments that fall from a cliff to form a cone shaped pile banked up against the slope |
|
|
Term
|
Definition
| a landslide that moves approximately parallel to the slope of the ground |
|
|
Term
|
Definition
| the pressure of water spaces between grains in the ground |
|
|
Term
|
Definition
| a slurry of rocks, sand, and water flowing down a valley. water generally makes up less than half the flows volume |
|
|
Term
|
Definition
|
|
