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weathering/gravity
weathering water + gravity
| Question | Answer |
|---|---|
| weathering | the breaking down of rocks into smaller pieces called sediment |
| erosion | when sediment has been moved from where it was weather from |
| deposition | when the material (sediment) is deposited after it has been eroded away |
| 4 factors that influence W.E.D. | water, ice, gravity, wind |
| cut bank | where erosion increases on the OUTSIDE of a meander because water speeds up |
| point bar | where deposition happens on the inside of a meander because water slows down |
| delta | a deposit of sediment caused by a river/stream entering a larger body of water and slowing down the flow of the original water |
| alluvial fan | A deposit caused by water slowing as the gradient of a hill or mountain flattens out slowing the water |
| gradient | How steep or flat a section of land is |
| load | The amount of sediment carried by a moving river/stream |
| discharge rate | the amount of water that a river or stream carries in a given time |
| oxbow lake | a crescent or U shaped body of water formed when a meander of a river is cut off from the main channel due to erosion and sediment deposition resulting in a new, shorter river path and abandonment of the curved meander |
| shoreline | the boundary where a body of water meets the land |
| sea cave | an opening in a rock shaped by erosive waves along the shore/coastline |
| sea arch | A coastal feature formed by waves eroding rocky areas that are in the ocean |
| sea stack | A landform consisting of a column of rocks formed by wave erosion which are typically vertically made |
| beach | a landform which consists of loose particles such as rocks, sand, and shells which accumulate along the shoreline of a body of water |
| wave cut platform | A flat surface at the bottom of a cliff which is formed by wave erosion between different tide levels |
| barrier island | A long/narrow body of sand that is parallel the mainland which is separated by a body of water |
| sand bar | A narrow strip of sand (offshore) which is formed due to the deposition of sand by ocean waves |
| meander | a windy curve or bend in a river or road |
| till | a type of unsorted sediment deposited directly by glacial ice |
| erratic | When a glacier moves and deposits a rock/boulder to a new area |
| moraine | A landform which splits or surrounds a glacier with till deposited by a moving glacier |
| esker | A ridge of sediments formed by meltwater flowing near a glacier |
| glacial | glaciers, which are large masses of ice that form on land from compacted snow and flow slowly under their own weight. |
| grooves | A glacial groove is a long, deep channel carved into bedrock by the abrasive action of rocks and sediments trapped at the base of a moving glacier. (large cut) |
| outwash | Deposited sand/gravel which becomes wet from glaciers melting and forming meltwater streams |
| kettle lake | A small body of water that forms in a hole left by a large glacier melting |
| striation | a scratch or groove carved into bedrock by rocks and debris embedded in the base of a moving glacier. (small scrach) |
Created by:
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