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20 Cards in this Set

  • Front
  • Back
water that doesn't soak into the ground or evaporate but instead flows across the Earth's surface
type of surface water erosion caused by runoff, in which a small stream forms during a heavy rain, carries away plants and soil, and leaves a scar or channel on the side of the slope
rill erosion
type of surface water erosion due to runoff that occurs when a rill channel becomes broader and deeper
gully erosion
type of surface water erosion due to runoff, in which rainwater flowing into lower elevations loses energy and leaves behind sediments that cover the soil like a sheet
sheet erosion
land area from which a stream gets its water
drainage basin
curve in the side of a stream formed by a fast-moving channel of deep water
broad, flat valley floor carved by a meandering stream; often becomes covered by water when a stream floods
triangular or fan-shaped deposit of sediments that is formed when a stream or river slows and empties into an ocean, gulf, or lake
triangular deposit of sediments that is formed when a river empties from a mountain valley out onto a flat, open plain
alluvial fan
water that soaks into the ground and collects in the small spaces between bit6s of rock and soil
describes rock and soil that have connecting pore spaces through which water can pass
material through which water cannot pass
layer of permeable rock that allows water to move freely
upper surface of the zone of saturation, which is the area where all the pores in the rock filled with water
water table
point where the water table meets Earth's surface and water flows out
a hot spring that erupts periodically and shoots stream and water into the air
underground opening that is formed when acidic groundwater moves through cracks in limestone and disolves the rock
ocean current that runs along the shore, moves sediment along shorelines, and is caused by waves colliding with the shbore at slight angles
longshore current
deposits of sediment that run parallel to the shore and stretch inland as far as the tides and waves can deposit sediment
sand deposits that run parallel to the shore but are separated from the mainland and whose size and shape change constantly due to wave action
barrier island