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*Earth's Surface
Unit 2: Fusion
Term | Definition |
---|---|
sediment | Tiny grains of broken down rock. |
erosion | The process by which sediment and other materials are moved from one place to another |
deposition | The process by which eroded material is dropped. |
gradient | The measure of the change in elevation over a certain distance. |
load | Materials carried by a stream. |
discharge | The amount of water that a stream carries in a given amount of time. |
channel | The path a stream follows. |
floodplain | Layers of deposited sediment that form flat areas. |
meander | The curves and bends that form a twisting, looping pattern in a stream channel. |
delta | A stream's deposit that forms a fan-shaped pattern. |
alluvial fan | The fan-shaped deposit that forms on dry land. |
groundwater | The water located within the rocks below Earth's surface. |
shoreline | The place where land and a body of water meet. |
abrasion | The grinding and wearing down of rock surfaces by other rock or by sand particles. |
deflation | The removal of fine sediment by wind. |
dunes | Mounds of wind-deposited sand. |
loess | Extremely fine material that creates thick deposits of sediment. |
glacier | Large mass of moving ice that forms by the compacting of snow. |
glacial drift | The general term for all of the materials carried and deposited by a glacier. |
creep | The extremely slow movement of material downslope. |
rockfall | Occurs when loose rock falls down a steep slope. |
landslide | The sudden and rapid movement of a large amount of material downslope. |
mudflow | A rapid movement of a large mass of mud. |