تعريف mass movement في الإنجليزية الإنجليزية القاموس.
(Or mass wasting) Bulk movements of soil and rock debris down slopes, or the sinking of confined areas of the Earth's ground surface. The term mass wasting refers only to gravity-driven processes that move large masses of earthen material from one place to another. The term mass movement includes the sinking of confined areas
or mass wasting Bulk movements of soil and rock debris down slopes, or the sinking of confined areas of the Earth's ground surface. The term mass wasting refers only to gravity-driven processes that move large masses of earthen material from one place to another. The term mass movement includes the sinking of confined areas
Dislodgement and downslope transport of soil and rock material as a unit under direct gravitational stress The process includes slow displacements such as creep and solifluction, and rapid movements such as landslides, rock slides, and falls, earthflows, debris flows, and avalanches Agents of fluid transport (water, ice, air) may play an important, if subordinate role in the process
A unit movement of a portion of the land surface down a slope as a SLIDE, a FLOW, or SOIL CREEP in which gravity is the main driving force
The downslope movement of earth caused by gravity Includes but is not limited to landslides, rock falls, debris avalanches, and creep It does not however, include surface erosion by running water It may be caused by natural erosional processes, or by natural disturbances (e g , earthquakes or fire events) or human disturbances (e g , mining or road construction)
The down-slope movement of rock debris or sediment under the influence of gravity
Mass movement may be defined as the down slope movement, by gravity, of soil and/or rock by the processes of slumping, falling, sliding and flowing
General term that describes the downslope movement of sediment, soil, and rock material
The downslope movement of earth caused by gravity Includes but is not limited to landslides, rock falls, debris avalanches, and creep It does not include surface erosion
erosion of soil or rock by gravity-induced collapse Usually triggered by groundwater pressure after heavy rain, but can also have other causes, notably streams undercutting the base of a slope, or earthquakes Movement can either be rapid and near-instantaneous (landslides, avalanches, debris flows) or slow and intermittent (earthflows, slumps)