Question 1

Which drainage pattern is produced by folded topography?

Accepted Answer

A)  radial
B)  dendritic
C)  deranged
D)  trellis
E)  parallelF) All of the above
G) B) and D)

Question 2

Which of the following is used to measure streamflow?

Accepted Answer

A)  stilling well and staff gauge
B)  barometer and sling psychrometer
C)  statistical methods of probability
D)  reservoirs
E)  anemometersF) B) and E)
G) A) and C)

Question 3

Erosion of the walls of a channel normally occurs on the outside curve of a meander.

Accepted Answer

A) True 
 B)False

Question 4

If a stream has just the gradient and discharge to transport its sediment load,it is said to be

Accepted Answer

A)  "fit."
B)  competent.
C)  graded.
D)  in a nonequilibrium state.
E)  chaoticF) B) and E)
G) A) and B)

Question 5

The effect of urbanization on a typical stream hydrograph is to

Accepted Answer

A)  create a base flow.
B)  increase lag time between storm peak and peak stream discharge.
C)  decrease runoff.
D)  decrease lag time between storm peak and peak stream discharge.
E)  eliminate all flooding downstream.F) B) and D)
G) D) and E)

Question 6

Describe the formation of deltas and present the characteristics of at least three delta types.

Accepted Answer

Deltas are landforms that form at the mo...

Question 7

Stream drainage patterns are determined by which of the following?

Accepted Answer

A)  slope and type of rock
B)  volume of water
C)  wind speeds in the drainage basin
D)  frequency of severe storms
E)  average annual temperatureF) B) and E)
G) A) and B)

Question 8

The downstream portion of a river

Accepted Answer

A)  generally becomes more sluggish.
B)  generally is of higher velocity,although it is masked by reduced turbulence.
C)  features greater hydraulic action than do upstream portions.
D)  has lower discharges than do upstream portions.
E)  meanders as a result of the system operating to expend the most effort.F) A) and B)
G) C) and D)

Question 9

Describe five common drainage patterns and the conditions that typically form them.

Accepted Answer

The answer of Describe five common drainage patterns and the...

Question 10

Nickpoints migrate downstream.

Accepted Answer

A) True 
 B)False

Question 11

Terraces form when a river's energy increases.

Accepted Answer

A) True 
 B)False

Question 12

Drainage density refers to

Accepted Answer

A)  the thickness of the water in the stream.
B)  the number of channels in an area.
C)  a measure determined by dividing the length of all the channels by the area of its drainage basin.
D)  the arrangement of channels in a given area.
E)  the volume of water in the drainage basin.F) None of the above
G) A) and B)

Question 13

Floodplain formation occurs while a stream is downcutting rapidly.

Accepted Answer

A) True 
 B)False

Question 14

A meandering stream is one that is

Accepted Answer

A)  completely stable.
B)  completely unstable.
C)  delicately balanced between equilibrium and chaos.
D)  closed in terms of energy and matter input.
E)  closed in terms of energy,but open with respect to matter input.F) A) and E)
G) B) and E)

Question 15

Most of Saskatchewan,Manitoba,and Ontario are in which major drainage basin?

Accepted Answer

A)  Hudson Bay
B)  Arctic
C)  Missouri
D)  Upper Mississippi
E)  PacificF) A) and C)
G) All of the above

Question 16

If you live in an area that was flooded by the 100-year flood last year,you can conclude that

Accepted Answer

A)  the next 100-year flood will occur in exactly 100 years.
B)  the next 100-year flood will occur in exactly 99 years.
C)  you could be flooded by the 100-year flood again this year.
D)  you do not have to worry about another flood of that size during your lifetime.
E)  the next 100-year flood will occur in one half life,or 50 years.F) C) and D)
G) A) and B)

Question 17

A cutoff on a meandering stream results in the formation of

Accepted Answer

A)  an oxbow lake.
B)  a levee.
C)  a point bar.
D)  a terrace.
E)  a braided stream.F) A) and B)
G) B) and C)

Question 18

The average size of sediment in a natural levee is ________ that found in the surrounding floodplain.

Accepted Answer

A)  larger than
B)  smaller than
C)  the same size asD) All of the above
E) B) and C)

Question 19

In response to the occurrence of a local base level,

Accepted Answer

A)  a stream continues to operate to reduce its landscape to sea level-the ultimate base level.
B)  sediments accumulate in response to the loss of flow velocity.
C)  sea level changes.
D)  this situation never occurs in nature.
E)  the stream cuts downward.F) A) and B)
G) A) and C)

Question 20

Give the equation for stream discharge.What happens to stream velocity if discharge and depth remain the same,but width increases?

Accepted Answer

The answer of Give the equation for stream discharge.What happens...

Exam 14: River Systems and Landforms

Give the equation for stream discharge.What happens to stream velocity if discharge and depth remain the same,but width increases?

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The downstream portion of a river

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Which drainage pattern is produced by folded topography?

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If you live in an area that was flooded by the 100-year flood last year,you can conclude that

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Erosion of the walls of a channel normally occurs on the outside curve of a meander.

Correct AnswerverifiedShow Answer

If a stream has just the gradient and discharge to transport its sediment load,it is said to be

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Which of the following is used to measure streamflow?

Correct AnswerverifiedShow Answer

Drainage density refers to

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Describe five common drainage patterns and the conditions that typically form them.

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The average size of sediment in a natural levee is ________ that found in the surrounding floodplain.

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A meandering stream is one that is

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Most of Saskatchewan,Manitoba,and Ontario are in which major drainage basin?

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Terraces form when a river's energy increases.

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Describe the formation of deltas and present the characteristics of at least three delta types.

Correct AnswerAnswered by ExamLex AIDeltas are landforms that form at the mo...View AnswerShow Answer

Nickpoints migrate downstream.

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The effect of urbanization on a typical stream hydrograph is to

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Stream drainage patterns are determined by which of the following?

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In response to the occurrence of a local base level,

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Floodplain formation occurs while a stream is downcutting rapidly.

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A cutoff on a meandering stream results in the formation of

Correct AnswerverifiedShow Answer

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Deltas are landforms that form at the mo...
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