Question 1

Which are processes that are related expressly to streams and rivers?

Accepted Answer

A)  Fluvial.
B)  Geomorphic.
C)  Lemnetic.
D)  Lotic.

Question 2

Bed load is moved by

Accepted Answer

A)  Saltation and traction.
B)  Traction and solution.
C)  Suspension and solution.
D)  Saltation and suspension.

Question 3

Which is the high ground that separates one valley from another and directs sheetflow?

Accepted Answer

A)  The maximum contour elevation.
B)  Drainage divide.
C)  An interfluve.
D)  The continental divide.

Question 4

Channels with gradual slopes often develop a sinuous form called which pattern?

Accepted Answer

A)  Braided stream.
B)  Anabranching stream.
C)  Meandering stream.
D)  Straight stream.

Question 5

Of the world's largest rivers,which has the greatest discharge?

Accepted Answer

A)  Zaire (Congo) River.
B)  Amazon River.
C)  Saint Lawrence River.
D)  Chang Chiang (Yangtze) of Asia.

Question 6

Deforestation in the headwater regions of a river can cause the river to flood more frequently in downstream areas.

Accepted Answer

A) True 
 B)False

Question 7

Which landform results from water exiting a constricted channel and losing velocity?

Accepted Answer

A)  Meander scar.
B)  Delta.
C)  Alluvial terrace.
D)  Alluvial fan.

Question 8

Excess sediment may result in which of the following channel patterns?

Accepted Answer

A)  V-shaped valleys.
B)  Braided stream.
C)  Meandering stream.
D)  Straight,steep-walled channels.

Question 9

Describe the various ways in which streams can transport material.

Accepted Answer

dissolved load: material that travels in...

Question 10

A floodplain is composed of alluvium.

Accepted Answer

A) True 
 B)False

Question 11

Which is the tree-like drainage pattern that efficiently moves water and sediment through its system due to minimization of the total length of each branch?

Accepted Answer

A)  Dendritic.
B)  Trellis.
C)  Radial.
D)  Deranged.

Question 12

Nickpoints migrate downstream.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

Q = wdv where Q = discharge; w = channel...

Question 14

Because rivers constitute such a small percentage of Earth's total water supply,they play a small role in landform change.

Accepted Answer

A) True 
 B)False

Question 15

Where is maximum velocity in a straight channel found?

Accepted Answer

A)  Near the bottom.
B)  Near the inside of a meander.
C)  At the center and near the surface,corresponding with the deepest parts of the stream channel.
D)  At the center and near the surface,corresponding with the shallowest parts of the stream channel.

Question 16

Stream drainage always eventually reaches the ocean.

Accepted Answer

A) True 
 B)False

Question 17

Which is known as the science of water and its global circulation,distribution,and properties?

Accepted Answer

A)  Geomorphology.
B)  Climatology.
C)  Lithology.
D)  Hydrology.

Question 18

Variations in rock resistance,climate,and hydrology can influence drainage patterns.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following will favour stream terrace formation?

Accepted Answer

A)  A large increase in sediment load.
B)  Tectonic uplift of the headwaters.
C)  A rise in sea level.
D)  A decrease in rainfall.

Question 20

With no clear geometry and no true stream valley,which drainage pattern occurs in areas such as glaciated shield regions?

Accepted Answer

A)  Deranged.
B)  Radial.
C)  Parallel.
D)  Dendritic.

Exam 15: River Systems

Which landform results from water exiting a constricted channel and losing velocity?

Correct AnswerverifiedShow Answer

Which of the following will favour stream terrace formation?

Correct AnswerverifiedShow Answer

Which are processes that are related expressly to streams and rivers?

Correct AnswerverifiedShow Answer

Channels with gradual slopes often develop a sinuous form called which pattern?

Correct AnswerverifiedShow Answer

Nickpoints migrate downstream.

Correct AnswerverifiedShow Answer

Which is the high ground that separates one valley from another and directs sheetflow?

Correct AnswerverifiedShow Answer

Bed load is moved by

Correct AnswerverifiedShow Answer

Deforestation in the headwater regions of a river can cause the river to flood more frequently in downstream areas.

Correct AnswerverifiedShow Answer

With no clear geometry and no true stream valley,which drainage pattern occurs in areas such as glaciated shield regions?

Correct AnswerverifiedShow Answer

A floodplain is composed of alluvium.

Correct AnswerverifiedShow Answer

Describe the various ways in which streams can transport material.

Correct Answerverifieddissolved load: material that travels in...View AnswerShow Answer

Of the world's largest rivers,which has the greatest discharge?

Correct AnswerverifiedShow Answer

Excess sediment may result in which of the following channel patterns?

Correct AnswerverifiedShow Answer

Stream drainage always eventually reaches the ocean.

Correct AnswerverifiedShow Answer

Which is known as the science of water and its global circulation,distribution,and properties?

Correct AnswerverifiedShow Answer

Because rivers constitute such a small percentage of Earth's total water supply,they play a small role in landform change.

Correct AnswerverifiedShow Answer

Where is maximum velocity in a straight channel found?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedQ = wdv where Q = discharge; w = channel...View AnswerShow Answer

Which is the tree-like drainage pattern that efficiently moves water and sediment through its system due to minimization of the total length of each branch?

Correct AnswerverifiedShow Answer

Variations in rock resistance,climate,and hydrology can influence drainage patterns.

Correct AnswerverifiedShow Answer

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dissolved load: material that travels in...
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Q = wdv where Q = discharge; w = channel...
View Answer

Correct Answer
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