Question 1

The sediment load consisting of fine-grained clastic particles held aloft in the stream is the

Accepted Answer

A)   bed load.
B)   suspended load.
C)   dissolved load.
D)   flow load.E) None of the above
F) B) and C)

Question 2

The science of water and its global circulation, distribution, and properties is known as

Accepted Answer

A)   geomorphology.
B)   climatology.
C)   lithology.
D)   hydrology.E) A) and B)
F) All of the above

Question 3

Which of the following is not factored when considering discharge?

Accepted Answer

A)   channel length
B)   channel width
C)   channel depth
D)   velocityE) A) and D)
F) A) and C)

Question 4

An alluvial terrace is evidence of aggradation.

Accepted Answer

A) True 
 B)False

Question 5

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)   reservoirsE) C) and D)
F) None of the above

Question 6

Describe or draw and label the stages of development of an oxbow lake, from meander bend to cut off to oxbow lake, including the location of cut banks and point bars.

Accepted Answer

Answers will vary. Figure GIA 15.2B nice...

Question 7

Describe the formation and typical characteristics of a floodplain.

Accepted Answer

A floodplain is the flat, low-lying area...

Question 8

The ultimate base level is sea level.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is incorrectly matched?

Accepted Answer

A)   cutbank - outer portion of a stream meander
B)   point bar - area of substantial erosion
C)   aggradation - sediment accumulation in the stream channel
D)   braided stream - maze of interconnected channelsE) All of the above
F) A) and C)

Question 10

A central peak,such as a volcanic mountain, generally produces a ________ drainage pattern.

Accepted Answer

A)   radial
B)   trellis
C)   parallel
D)   annularE) A) and B)
F) A) and C)

Question 11

Cone-shaped deposits of sediment often found at mouth of canyons in arid and semiarid climates are called

Accepted Answer

A)   deposition.
B)   deltas.
C)   alluvial fans.
D)   clastics.E) A) and B)
F) A) and C)

Question 12

A braided stream is indicative of excess sedimentation.

Accepted Answer

A) True 
 B)False

Question 13

Physical weathering is the main process that contributes to the dissolved load of streams.

Accepted Answer

A) True 
 B)False

Question 14

A yazoo tributary stream cannot join with the main river in an area because

Accepted Answer

A)   the yazoo flows in a different valley.
B)   a small structural ridge separates the rivers.
C)   a natural levee on the main river prevents joining.
D)   a man-made flow control structure keeps the rivers separate.E) B) and D)
F) A) and C)

Question 15

Describe the formation of alluvial fans and bajadas.

Accepted Answer

In semiarid and arid areas, ephemeral st...

Question 16

The degradation of a landscape by weathering, erosion, and transportation will ultimately reduce the landscape down to

Accepted Answer

A)   base level.
B)   continental shelf.
C)   the mountain tops.
D)   valley level.E) B) and D)
F) All of the above

Question 17

A 10-year flood has an annual exceedance probability of 10%.

Accepted Answer

A) True 
 B)False

Question 18

The construction of a dam across a river is likely to cause ________ upstream and ________ downstream.

Accepted Answer

A)   erosion; aggradation
B)   erosion; erosion
C)   aggradation; erosion
D)   aggradation; aggradationE) All of the above
F) A) and D)

Question 19

A stream's volume of flow per unit of time is its

Accepted Answer

A)   speed.
B)   velocity.
C)   discharge.
D)   flow rate.E) B) and C)
F) C) and D)

Question 20

A drainage divide that separates drainage basins that empty into different bodies of water surrounding a continent are know as

Accepted Answer

A)   catchments.
B)   deltas.
C)   continental divides.
D)   interfluves.E) B) and D)
F) A) and D)

Exam 15: River Systems and Landforms

The construction of a dam across a river is likely to cause ________ upstream and ________ downstream.

Correct AnswerverifiedShow Answer

A 10-year flood has an annual exceedance probability of 10%.

Correct AnswerverifiedShow Answer

The sediment load consisting of fine-grained clastic particles held aloft in the stream is the

Correct AnswerverifiedShow Answer

Describe the formation and typical characteristics of a floodplain.

Correct AnswerverifiedA floodplain is the flat, low-lying area...View AnswerShow Answer

Describe or draw and label the stages of development of an oxbow lake, from meander bend to cut off to oxbow lake, including the location of cut banks and point bars.

Correct AnswerverifiedAnswers will vary. Figure GIA 15.2B nice...View AnswerShow Answer

Cone-shaped deposits of sediment often found at mouth of canyons in arid and semiarid climates are called

Correct AnswerverifiedShow Answer

A central peak,such as a volcanic mountain, generally produces a ________ drainage pattern.

Correct AnswerverifiedShow Answer

The ultimate base level is sea level.

Correct AnswerverifiedShow Answer

A braided stream is indicative of excess sedimentation.

Correct AnswerverifiedShow Answer

The science of water and its global circulation, distribution, and properties is known as

Correct AnswerverifiedShow Answer

The degradation of a landscape by weathering, erosion, and transportation will ultimately reduce the landscape down to

Correct AnswerverifiedShow Answer

Which of the following is incorrectly matched?

Correct AnswerverifiedShow Answer

An alluvial terrace is evidence of aggradation.

Correct AnswerverifiedShow Answer

Physical weathering is the main process that contributes to the dissolved load of streams.

Correct AnswerverifiedShow Answer

Which of the following is not factored when considering discharge?

Correct AnswerverifiedShow Answer

A yazoo tributary stream cannot join with the main river in an area because

Correct AnswerverifiedShow Answer

A drainage divide that separates drainage basins that empty into different bodies of water surrounding a continent are know as

Correct AnswerverifiedShow Answer

Which of the following is used to measure streamflow?

Correct AnswerverifiedShow Answer

Describe the formation of alluvial fans and bajadas.

Correct AnswerverifiedIn semiarid and arid areas, ephemeral st...View AnswerShow Answer

A stream's volume of flow per unit of time is its

Correct AnswerverifiedShow Answer

The construction of a dam across a river is likely to cause upstream and downstream.

Correct Answer
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A floodplain is the flat, low-lying area...
View Answer

Correct Answer
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Answers will vary. Figure GIA 15.2B nice...
View Answer

Correct Answer
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In semiarid and arid areas, ephemeral st...
View Answer

Correct Answer
verified