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Laabri

2.14 Evolution of a Stream

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Last updated over 5 years ago
11 Nsɛmmisa
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1.

Look at the image above. At which location is the greatest amount of sediment most likely being deposited?

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2.

Explain why the water depth at point A is greater than the water depth at point C

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3.

Describe why the rate of erosion is always more dominant than the rate of deposition on the outside of a curve.

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4.

A decrease in the velocity of this stream will most likely cause an increase in

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5.

At which locations is erosion dominant over deposition?

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6.

The accompanying table above shows the rate of erosion and the rate of deposition at four stream locations. A state of dynamic equilibrium exists at location

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7.

Why does equlibrium exist at this location?

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8.

Would you expect the stream to be deeper at Point A or Point B? Explain

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9.

Which of the cross sections above represents the stream bottom from A to B?

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10.

Describe any conditions that might cause the rate of erosion in a stream to increase

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11.

The map above shows a meandering river. Points A and B are locations on the banks of the river. What are the dominant processes occurring at locations A and B?