Question 1

A waterfall is an example of a(n)  __________.

Accepted Answer

A)  knickpoint
B)  escarpment
C)  slot canyon
D)  meanderE) B) and D)
F) B) and C)

Question 2

__________ drainage occurs in internal drainage basins.

Accepted Answer

A)  Trellis
B)  Deranged
C)  Radial
D)  CentripetalE) B) and D)
F) B) and C)

Question 3

Heavy material moving in the streambed is an example of what?

Accepted Answer

A)  abrasion
B)  the dissolved load
C)  the suspended load
D)  the bed loadE) C) and D)
F) A) and B)

Question 4

If a stream is 6 meters wide, 1 meter deep on average, and flows at 1 meter per second, what is its discharge in cubic meters per second?

Accepted Answer

A)  1
B)  6
C)  8
D)  10E) A) and B)
F) A) and C)

Question 5

Water diversions by people can create anthropogenic intermittent streams.

Accepted Answer

A) True 
 B)False

Question 6

A stream's __________ is found where the stream meets the ocean.

Accepted Answer

A)  drainage basin
B)  trunk stream
C)  tributary
D)  mouthE) All of the above
F) A) and D)

Question 7

Which best describes stream discharge in an undeveloped area immediately following a storm?

Accepted Answer

A)  rapid increase and rapid decrease in discharge
B)  gradual increase and gradual decrease in discharge
C)  rapid increase and gradual decrease in discharge
D)  gradual increase and rapid decrease in dischargeE) A) and C)
F) B) and C)

Question 8

At about the halfway point between a stream's headwaters and its mouth, what size of stream channel material would most likely be found?

Accepted Answer

A)  large, angular boulders
B)  well-rounded stones and pebbles
C)  sand, silt, and clay
D)  dissolved mineralsE) All of the above
F) A) and C)

Question 9

Which forms on the inside of a meander?

Accepted Answer

A)  meander neck
B)  cut bank
C)  oxbow lake
D)  point barE) B) and D)
F) C) and D)

Question 10

If a stream has a 1% annual probability of flooding, what is the recurrence interval for that stream?

Accepted Answer

A)  once every 100 years
B)  once every 50 years
C)  once every 10 years
D)  once every yearE) None of the above
F) B) and D)

Question 11

Blocking the flow of a stream with a concrete dam creates a __________.

Accepted Answer

A)  reservoir
B)  delta
C)  lake
D)  distributaryE) None of the above
F) B) and C)

Question 12

Rocks are much harder than water.How does water carve valleys into mountains composed of solid bedrock?

Accepted Answer

Downcutting by streams is accomplished i...

Question 13

-In the figure, box A shows what type of drainage pattern?

Accepted Answer

A)  dendritic
B)  radial
C)  rectangular
D)  centripetalE) B) and C)
F) All of the above

Question 14

Meanders only develop in low-gradient streams.

Accepted Answer

A) True 
 B)False

Question 15

Which is a disadvantage of dams?

Accepted Answer

A)  sedimentation reduces reservoir capacity
B)  often constrict the stream channel and reduce riparian habitat
C)  requires large amounts of undeveloped land that can be flooded
D)  controls floodingE) A) and D)
F) All of the above

Question 16

How do dams relate to climate change?

Accepted Answer

Dams mitigate climate change b...

Question 17

Fluvial erosion downcuts into mountains and reduces their height.Why haven't streams worn all of Earth's mountains flat?

Accepted Answer

Geothermal energy co...

Question 18

Stream capacity refers to the amount of material collectively that a stream can carry.

Accepted Answer

A) True 
 B)False

Question 19

If a stream has a 1% annual probability of flooding, what is the probability that it will flood sometime during a 100-year period?

Accepted Answer

A)  1%
B)  50%
C)  75%
D)  100%E) A) and D)
F) All of the above

Question 20

Which is not a characteristic of a high-gradient stream?

Accepted Answer

A)  low stream order
B)  low discharge
C)  large, angular rocks
D)  high stream orderE) A) and B)
F) A) and C)

Exam 17: Flowing Water: Fluvial Systems

-In the figure, box A shows what type of drainage pattern?

Correct AnswerverifiedShow Answer

If a stream is 6 meters wide, 1 meter deep on average, and flows at 1 meter per second, what is its discharge in cubic meters per second?

Correct AnswerverifiedShow Answer

Water diversions by people can create anthropogenic intermittent streams.

Correct AnswerverifiedShow Answer

At about the halfway point between a stream's headwaters and its mouth, what size of stream channel material would most likely be found?

Correct AnswerverifiedShow Answer

A waterfall is an example of a(n) __________.

Correct AnswerverifiedShow Answer

Meanders only develop in low-gradient streams.

Correct AnswerverifiedShow Answer

Which forms on the inside of a meander?

Correct AnswerverifiedShow Answer

A stream's __________ is found where the stream meets the ocean.

Correct AnswerverifiedShow Answer

Which best describes stream discharge in an undeveloped area immediately following a storm?

Correct AnswerverifiedShow Answer

Heavy material moving in the streambed is an example of what?

Correct AnswerverifiedShow Answer

Fluvial erosion downcuts into mountains and reduces their height.Why haven't streams worn all of Earth's mountains flat?

Correct AnswerverifiedGeothermal energy co...View AnswerShow Answer

Which is a disadvantage of dams?

Correct AnswerverifiedShow Answer

Which is not a characteristic of a high-gradient stream?

Correct AnswerverifiedShow Answer

Stream capacity refers to the amount of material collectively that a stream can carry.

Correct AnswerverifiedShow Answer

Blocking the flow of a stream with a concrete dam creates a __________.

Correct AnswerverifiedShow Answer

__________ drainage occurs in internal drainage basins.

Correct AnswerverifiedShow Answer

Rocks are much harder than water.How does water carve valleys into mountains composed of solid bedrock?

Correct AnswerverifiedDowncutting by streams is accomplished i...View AnswerShow Answer

How do dams relate to climate change?

Correct AnswerverifiedDams mitigate climate change b...View AnswerShow Answer

If a stream has a 1% annual probability of flooding, what is the recurrence interval for that stream?

Correct AnswerverifiedShow Answer

If a stream has a 1% annual probability of flooding, what is the probability that it will flood sometime during a 100-year period?

Correct AnswerverifiedShow Answer

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Geothermal energy co...
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Correct Answer
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Correct Answer
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Correct Answer
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Downcutting by streams is accomplished i...
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Correct Answer
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Dams mitigate climate change b...
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Correct Answer
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Correct Answer
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