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Definition
| Abrasion is the wearing away of rock by grinding action |
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| Alluvial Fan is the sloping triangular deposits of sediment located where a mountain stream reaches level land |
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| Base Level is the level of the body of water into which a stream flows. |
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Bed Load is sand, pebbles, and boulders that are moved along the bed of a stream and that are too heavy to be carried in suspension |
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| Carrying Power is a measure of the total amount of sediment in a stream and the size of the particles being moved by the stream. |
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Delta is a fan-shaped deposit of sediment formed at the mouth of a stream or river |
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| Discharge is the volume of water flowing past a given point in a stream at a given time |
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Divide is the higher land separating two adjacent drainage basins |
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| Drainage Basin is the area of land surface drained by a river system |
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Flash Flood is a sudden rush of water, usually caused by a single cloudburst over the narrow valley of a young mountain stream |
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Flood Plain is a wide, level area that borders a stream and is covered by its water in time of flood. |
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| Gully is a miniature valley formed by erosion from heavy rains |
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Headward Erosion is the wearing away of land and the head of a gully or a sream valley |
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Levees is a natural or artificial bank confining a stream or a river channel. |
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| Meanders is one of a series of broad, looping bends in a stream |
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| Oxbow Lake is the crescent-shaped lake formed when a river meander gets cut off from the river and the ends of the original bend have silted up. |
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Definition
Pothole is a deep oval or circular hole cut into a stream bed by abrasion from swirling sand and pebbles |
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Definition
Solution is the state in which mineral matter dissolved froom bedrock is carried in a river |
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Stream Piracy is the diversion of the upper part of one stream by the headward growth of another stream |
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Suspension is the state in which rock materials carried by a river are stirred up and kept from sinking by the turbulence of stream flow |
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Water Gap is a pass in a mountain ridge through which a sream flows |
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