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River Systems

Unit 3

TermDefinition
Erosion the process by which wind, water, ice, or gravity transports soil and sediment from one location to another
Grand Canyon canyon formed over millions of years as running water eroded the rock layers
Tributary a stream that flows into a lake or into a larger stream
Watershed the area of land that is drained by a river system
Channel the path that a stream follows
Water cycle the continuous movement of water between the atmosphere, the land, and the oceans
River system a network of streams and rivers that drains an area of its runoff
Load the materials carried by a stream
Delta a fan-shaped mass of material deposited at the mouth of a stream
Alluvial fan a fan-shaped mass of material deposited by a stream when the slope of the land decreases sharply
Aquifer a body of rock or sediment that stores groundwater and allows the flow of groundwater
Sinkhole When the roof of a cave collapses
Cave Groundwater causes erosion by dissolving rock. Some groundwater contains weak acids that dissolve the rock. Also, some types of rock, such as limestone, dissolve in groundwater more easily than other types do.
Created by: jeffsingleton
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