click below
click below
Normal Size Small Size show me how
Erosion / Deposition
Term | Definition |
---|---|
floodplain | an area of land on either side of a stream that is underwater when the stream floods |
mass wasting | the downhill movement of masses of rock and soil |
glacier | a large mass of ice that moves over land |
barrier island | a long, narrow island that develops parallel to a coast |
kettle lake | a bowl-shaped depression that was formed by a block of ice from a glacier and then became filled with water |
dune | a mound of sand built up by wind |
erosion | the process in which weathered particles are picked up and moved from one place to another |
divide | a ridge from which water drains to one side or the other |
longshore drift | the zigzag movement of sand along a beach |
till | the sediment left directly on the ground surface from a retreating glacier |
sandbar | a ridge of sand built up by the action of waves and currents |
sinkhole | a basin that forms when the roof of a cave becomes so thin that it suddenly falls in |
deposition | the part of the erosion process in which sediment is placed in a new location, or deposited |
alluvial fan | a fan-shaped deposit of sediment at the base of a mountain |
loess | deposits of fine wind-blown sediment |
delta | an area of land formed by the buildup of sediment at the end, or mouth, of a river |
longshore current | the movement of water along a shore as waves strike the shore at an angle |
moraine | a deposit of till left behind by a retreating glacier |
drainage basin | the area of land in which water drains into a stream system |