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Bss Esc Chapter 8-12
Chpater 10
21
Science
11th Grade
12/12/2008

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Cards

Term
[image]Abrasion
Definition
a scraped spot or area; the result of rubbing or abrading:
Term
[image]alluvial fan
Definition
a fan-shaped alluvial deposit formed by a stream where its velocity is abruptly decreased, as at the mouth of a ravine or at the foot of a mountain.
Term
base level
[image]
Definition
the lowest level to which running water can erode the land.
Term
[image]bed load
Definition
the sand, gravel, boulders, or other debris transported by rolling or sliding along the bottom of a stream.
Term
[image]carrying power
Definition
The power a current has to carry rocks, and other minerals across the bottom.
Term
[image]
delta
Definition
 a nearly flat plain of alluvial deposit between diverging branches of the mouth of a river, often, though not necessarily, triangular: the Nile delta.
Term
[image]discharge
Definition
a relieving, ridding, or getting rid of something of the nature of a charge.
Term
[image]divide
Definition
to separate or part from something else; sunder; cut off.
Term
[image]drainage basin or watershed
Definition
the region or area drained by a river, stream, etc.; drainage area.
Term
[image]flash flood
Definition
a sudden and destructive rush of water down a narrow gully or over a sloping surface, caused by heavy rainfall.
Term

[image]flood plain

Definition
a nearly flat plain along the course of a stream or river that is naturally subject to flooding.
Term
 [image]         gully
Definition
a small valley or ravine originally worn away by running water and serving as a drainageway after prolonged heavy rains.
Term

[image]headward erosion

Definition
The backwards erosion of material at the source (start) of a river or stream
Term
[image]Levees
Definition

An embankment raised to prevent a river from overflowing.

Term
[image]
meanders
Definition
to proceed by or take a winding or indirect course: The stream meandered through the valley.
Term
[image]oxbow lake
Definition
a U-shaped piece of wood placed under and around the neck of an ox with its upper ends in the bar of the yoke.
Term
[image]Pothole
Definition
a more or less cylindrical hole formed in rock by the grinding action of the detrital material in eddying water.
Term
[image]solution
Definition
the act of solving a problem, question, etc.: The situation is approaching solution.
Term
[image]stream piracy
Definition
A stream can be defined as any flowing body of water in a clearly defined channel.
Term
[image]suspension
Definition
the state in which the particles of a substance are mixed with a fluid but are undissolved.
Term
[image]water gap
Definition
 a transverse gap in a mountain ridge, cut by and giving passage to a stream or river.


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