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Erosion - Deposition
Erosion and Deposition terminology
| Term | Definition |
|---|---|
| abrasion | The grinding away of rock by other rock particles carried in water, ice, or wind. |
| alluvial fan | A wide slopeing deposit of sediment formed where a stream leaves a mountain range. |
| beach | Wave-washed sediment along a coast. |
| deflation | Wind erosion that removes surface materials. |
| delta | A landform made of sediment that is deposited where a river flows into an ocean or lake. |
| deposition | Process in which sediment is laid down in new locations. |
| divide | The ridge of land that separates one drainage basin from another. |
| drainage basin | The land area from which a river and its tributaries collect their water. |
| energy | The ability to do work or cause change. |
| erosion | The process by which water, ice, wind, or gravity moves weathered rock and soil. |
| flood plain | Wide valley through which a river flows. |
| friction | The force that opposes the motion of one surface as it moves across another surface. |
| glacier | A large mass of moving ice and snow on land. |
| groundwater | Water that fills the cracks and spaces in underground soil and rock layers. |
| gully | A large channel in soil formed by erosion. |
| ice age | One time in the past when continental glaciers covered large parts of Earth's surface. |
| karst topography | A type of lanscape in rainy regions where there is limestone near the surface, characterized by caverns, sinkholes, and valleys. |
| kettle | A small depression that forms when a chunk of ice is left in glacial till. |
| kinetic energy | The energy an object has due to its motion. |
| load | The amount of sediment that a river or stream carries |
| loess | A wind-formed deposit made of fine particles of clay and silt. |
| longshore drift | The movement of water and sediment down a beach caused by waves coming in to shore at an angle. |
| mass movement | Any one of several processes by which gravity moves sediment downhill. |
| meander | A looplike bend in the course of a river. |
| moraine | Forms where a glacier deposits mounds or ridges of till. |
| oxbow lake | a meander cut off from a river |
| plucking | the process by which a glacier picks up rocks as it flows over the land. |
| potential energy | Energy that is stored and available to be used later. |
| rill | A tiny groove in soil made by flowing water. |
| river | A large stream. |
| runoff | Water that flows over the ground surface rather than soaking into the ground. |
| sand dune | A deposit of wind-blown sand. |
| sediment | Earth materials deposited by erosion |
| spit | A beach formed by longshore drift that projects like finger out into the water. |
| stalactite | A calcite deposit that hangs from the roof of a cave. |
| stalagmite | A cone-shaped calcite deposit that builds up from the floor of a cave. |
| stream | A channel through which water is continually flowing downhill. |
| till | The sediments deposited directly by a glacier. |
| tributary | A stream that flows into a larger stream. |
| turbulence | A type of movement of water in which, rather than moving downstream, the water moves every which way. |
| valley glacier | A long, narrow glacier that forms when snow and ice build up in a mountain valley. |
Created by:
skbaird
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