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Unit 2 lesson 1-2

TermDefinition
Erosion the process by which wind, water, ice, or gravity transports soil and sediment from one location to another
Deposition the process in which material is laid down
Floodplain an area along a river that forms from sediments deposited when the river overflows its banks
Delta a mass of material deposited in a triangular or fan shape at the mouth of a river or stream
Alluvial Fan a fan-shaped mass of material deposited by a stream whe the slope of the land decreases sharply
Groundwater the water that is beneath the earth's surface
Shoreline the boundary between land and a body of water
Beach an area of the shoreline that is made up of deposited sediment
Sandbar a low ridge of sand deposited along the shore of a lake or sea
Barrier Island a long ridge of sand or narrow island that lies parallel to the shore
Dune a mound of wind-deposited sand that moves as a result of the action of wind
Loess fine-grained sediments of quartz, feldspar, hornblende, mica, and clay deposited by the wind
Glacier a large mass of ice that exists year-round and moves over land
Glacial Drift the rock material carried and deposited by glaciers
Creep the slow downhill movement of weathered rock material
Rockfall the rapid mass movement of rock down a steep slope or cliff
Landslide the sudden movement of rock and soil down a slope
Mudflow the flow of a mass of mud or rock and soil mixed with a large amount of water
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
Created by: jg.18589
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