Exam 16: Fluvial Systems and Landforms

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The largest single curtain of falling water in the world is

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A(n)_________ occurs when centrifugal force associated with the current flowing around a meander bend carries the main current outside of the curve.

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Match the type of drainage pattern to the correct description:
Develops in areas where rocks are folded, causing streams to flow parallel to each other.
Rectangular
Streams radiating outward from a central point, forming a spokelike pattern of streams.
Dendritic
Occurs when joints or faults guide streams at right angles to one another.
Radial
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Develops in areas where rocks are folded, causing streams to flow parallel to each other.
Rectangular
Streams radiating outward from a central point, forming a spokelike pattern of streams.
Dendritic
Occurs when joints or faults guide streams at right angles to one another.
Radial
Has a branching, treelike pattern.
Trellis
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__________ occurs when sediment is removed from one place through a geomorphic process.

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The progressive accumulation of sediment along or within a stream is called

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Base flow is the average amount of stream discharge in a given stream at any particular time of year.

(True/False)
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A(n)__________is a barrier that blocks or restricts the downstream movement of a stream.

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This value is calculated by dividing the total length of all streams in the basin by the area of the basin.

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______________ is the graphical representation of stream discharge over a period of time.

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The topographic lowering of a stream channel by erosion is called aggradation.

(True/False)
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An area of raised land that forms a separating rim between two adjacent drainage basins is called a drainage basin.

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The mouth of a river is the termination of the stream at ultimate base level.

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Streams carry sediment as dissolved load,suspended load,or bedload.

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What are the three stages associated with the formation of an oxbow lake?

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Describe the evolution of a graded stream associated with a valley.

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When water slows at the edges of the stream bank,it deposits materials. This process will form a(n)

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Another name for a watershed is

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Streams with water flowing in them all year long are called ephemeral streams.

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A floodplain is a landform produced as a result of erosion.

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Typically,higher-order streams contain ________ water than lower-order streams.

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