Question 1

Which of the following is not a common site for deposition of sediment?

Accepted Answer

A) Point bar 
B) Distributary system 
C) Levee 
D) Cut bank 
E) Floodplain 
A) Point bar 
B) Distributary system 
C) Levee 
D) Cut bank 
E) Floodplain

Question 2

Which of the following does not influence whether sediment is picked up by a stream?

Accepted Answer

A) Size and density of the sediment 
B) Turbulence of the moving water 
C) Location of the sediment in the stream 
D) Whether the stream flows north-south or east-west 
A) Size and density of the sediment 
B) Turbulence of the moving water 
C) Location of the sediment in the stream 
D) Whether the stream flows north-south or east-west

Question 3

If a stream-cut canyon is deep and narrow,which of the following is most likely to be true?

Accepted Answer

A) Rocks in the canyon walls are relatively hard and easy to erode. 
B) The stream is probably close to its base level. 
C) Downcutting is occurring faster than widening. 
D) The stream contains mostly small clasts,such as silt. 
A) Rocks in the canyon walls are relatively hard and easy to erode. 
B) The stream is probably close to its base level. 
C) Downcutting is occurring faster than widening. 
D) The stream contains mostly small clasts,such as silt.

Question 4

This figure shows four numbered river terraces,with 1 being the highest and 4 being the lowest.Which is the oldest terrace?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 5

Which of the lettered sites would most likely be undercut by migration of a meander?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 6

Which particles of sediment are most likely to be transported as suspended load?

Accepted Answer

A) Small,low density particles 
B) Pebbles of average density 
C) Sand and gravel of relatively high density 
D) Dissolved ions in solution 
E) All of these are correct. 
A) Small,low density particles 
B) Pebbles of average density 
C) Sand and gravel of relatively high density 
D) Dissolved ions in solution 
E) All of these are correct.

Question 7

Which of the features on this aerial photograph is a point bar?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 8

In this diagram,water velocity downstream generally

Accepted Answer

A) decreases. 
B) remains the same. 
C) increases. 
D) There is no way to tell because discharge cannot be determined. 
A) decreases. 
B) remains the same. 
C) increases. 
D) There is no way to tell because discharge cannot be determined.

Question 9

What is the mostly likely setting for this drainage pattern?

Accepted Answer

A) The rocks have a relatively equal resistance to erosion. 
B) Drainages have followed a series of fractures that branch off of one another. 
C) The area has folded or faulted rocks with different resistances to erosion. 
D) A volcano once existed here but has been partly eroded away. 
A) The rocks have a relatively equal resistance to erosion. 
B) Drainages have followed a series of fractures that branch off of one another. 
C) The area has folded or faulted rocks with different resistances to erosion. 
D) A volcano once existed here but has been partly eroded away.

Question 10

Which of the following is not true about rivers?

Accepted Answer

A) Major rivers,like the upper Mississippi near the Great Lakes,must be relatively old rivers. 
B) The boundary between hard rocks and soft rocks can be marked by waterfalls. 
C) Loading and unloading of the crust by ice sheets can change the direction that rivers flow. 
D) Different parts of a river can be different ages. 
A) Major rivers,like the upper Mississippi near the Great Lakes,must be relatively old rivers. 
B) The boundary between hard rocks and soft rocks can be marked by waterfalls. 
C) Loading and unloading of the crust by ice sheets can change the direction that rivers flow. 
D) Different parts of a river can be different ages.

Question 11

Formation of entrenched meanders can result from a

Accepted Answer

A) low-gradient river followed by downcutting. 
B) braided river that later exceeds its capacity to carry sediment. 
C) braided river followed by regional uplift. 
D) steep-gradient mountain stream following by an increase in precipitation. 
A) low-gradient river followed by downcutting. 
B) braided river that later exceeds its capacity to carry sediment. 
C) braided river followed by regional uplift. 
D) steep-gradient mountain stream following by an increase in precipitation.

Question 12

What is a reasonable interpretation for the flow event recorded by this hydrograph?

Accepted Answer

A) There were two pulses of runoff because there were two storms. 
B) The drainage basin has several distinct parts. 
C) One pulse could be due to snowmelt and the other to rain. 
D) All of these are correct. 
A) There were two pulses of runoff because there were two storms. 
B) The drainage basin has several distinct parts. 
C) One pulse could be due to snowmelt and the other to rain. 
D) All of these are correct.

Question 13

What type of stream is shown in this figure?

Accepted Answer

A) Braided stream 
B) A stream whose channel has a low sinuosity 
C) Meandering stream 
D) A stream that lacks point bars 
E) All of these are correct. 
A) Braided stream 
B) A stream whose channel has a low sinuosity 
C) Meandering stream 
D) A stream that lacks point bars 
E) All of these are correct.

Question 14

Which of the following is true of a 100-year flood?

Accepted Answer

A) A 100-year flood occurs every 100 years on a given stream. 
B) The probability of a 100-year flood occurring on any given year is 1:100. 
C) A 100-year flood cannot occur twice within 10 years. 
D) The probability of a 100-year flood is related to how recently the last 100-year flood occurred. 
A) A 100-year flood occurs every 100 years on a given stream. 
B) The probability of a 100-year flood occurring on any given year is 1:100. 
C) A 100-year flood cannot occur twice within 10 years. 
D) The probability of a 100-year flood is related to how recently the last 100-year flood occurred.

Question 15

What happens to a river as it flows through a delta and encounters the sea?

Accepted Answer

A) The discharge and water velocity increase. 
B) The maximum sediment grain size carried by the river increases. 
C) The total sediment load carried by the river decreases. 
D) All of these are correct. 
A) The discharge and water velocity increase. 
B) The maximum sediment grain size carried by the river increases. 
C) The total sediment load carried by the river decreases. 
D) All of these are correct.

Question 16

Which of the following is a condition favoring deposition of sediment?

Accepted Answer

A) An increase in water velocity 
B) A decrease in gradient of the stream 
C) An increase in turbulence of the water 
D) An increase in the salt content of the water 
E) A decrease in grain size as a clast breaks into two pieces 
A) An increase in water velocity 
B) A decrease in gradient of the stream 
C) An increase in turbulence of the water 
D) An increase in the salt content of the water 
E) A decrease in grain size as a clast breaks into two pieces

Question 17

Bedrock and sediment in a stream is most susceptible to erosion if it is

Accepted Answer

A) in slow-moving water in an eddy. 
B) in a site that is sheltered from oncoming clasts. 
C) located in a turbulent part of the river. 
D) composed entirely of large clasts that affect stream flow. 
E) All of these are correct. 
A) in slow-moving water in an eddy. 
B) in a site that is sheltered from oncoming clasts. 
C) located in a turbulent part of the river. 
D) composed entirely of large clasts that affect stream flow. 
E) All of these are correct.

Question 18

At what two stream profiles would overall stream velocity be greatest at the center of the profile?

Accepted Answer

A) A and C 
B) B and D 
C) C and D 
D) D and A 
A) A and C 
B) B and D 
C) C and D 
D) D and A

Question 19

What is the mostly likely setting for this drainage pattern?

Accepted Answer

A) The rocks have a relatively equal resistance to erosion. 
B) Drainages have followed a series of fractures that branch off of one another. 
C) The area has folded or faulted rocks with different resistances to erosion. 
D) A volcano once existed here but has been partly eroded away. 
A) The rocks have a relatively equal resistance to erosion. 
B) Drainages have followed a series of fractures that branch off of one another. 
C) The area has folded or faulted rocks with different resistances to erosion. 
D) A volcano once existed here but has been partly eroded away.

Question 20

Which of the following is true about the base level of a stream?

Accepted Answer

A) Base level indicates the normal (or base)flow level before flooding. 
B) The flat top of a mountain is the ultimate base level for most streams. 
C) A mountain is close to its base level if bedrock is close to the surface. 
D) Most streams have lower gradient close to their base level. 
E) Base level generally is near the steepest part of a stream's profile. 
A) Base level indicates the normal (or base)flow level before flooding. 
B) The flat top of a mountain is the ultimate base level for most streams. 
C) A mountain is close to its base level if bedrock is close to the surface. 
D) Most streams have lower gradient close to their base level. 
E) Base level generally is near the steepest part of a stream's profile.

Which of the following is not a common site for deposition of sediment?

Which of the following does not influence whether sediment is picked up by a stream?

If a stream-cut canyon is deep and narrow,which of the following is most likely to be true?

This figure shows four numbered river terraces,with 1 being the highest and 4 being the lowest.Which is the oldest terrace?

Which of the lettered sites would most likely be undercut by migration of a meander?

Which particles of sediment are most likely to be transported as suspended load?

Which of the features on this aerial photograph is a point bar?

In this diagram,water velocity downstream generally

What is the mostly likely setting for this drainage pattern?

Which of the following is not true about rivers?

Formation of entrenched meanders can result from a

What is a reasonable interpretation for the flow event recorded by this hydrograph?

What type of stream is shown in this figure?

Which of the following is true of a 100-year flood?

What happens to a river as it flows through a delta and encounters the sea?

Which of the following is a condition favoring deposition of sediment?

Bedrock and sediment in a stream is most susceptible to erosion if it is

At what two stream profiles would overall stream velocity be greatest at the center of the profile?

What is the mostly likely setting for this drainage pattern?

Which of the following is true about the base level of a stream?

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Exam 13: Streams and Flooding

Which of the following is not a common site for deposition of sediment?

Which of the following does not influence whether sediment is picked up by a stream?

If a stream-cut canyon is deep and narrow,which of the following is most likely to be true?

This figure shows four numbered river terraces,with 1 being the highest and 4 being the lowest.Which is the oldest terrace?

Which of the lettered sites would most likely be undercut by migration of a meander?

Which particles of sediment are most likely to be transported as suspended load?

Which of the features on this aerial photograph is a point bar?

In this diagram,water velocity downstream generally

What is the mostly likely setting for this drainage pattern?

Which of the following is not true about rivers?

Formation of entrenched meanders can result from a

What is a reasonable interpretation for the flow event recorded by this hydrograph?

What type of stream is shown in this figure?

Which of the following is true of a 100-year flood?

What happens to a river as it flows through a delta and encounters the sea?

Which of the following is a condition favoring deposition of sediment?

Bedrock and sediment in a stream is most susceptible to erosion if it is

At what two stream profiles would overall stream velocity be greatest at the center of the profile?

What is the mostly likely setting for this drainage pattern?

Which of the following is true about the base level of a stream?

The Nature of Physical Geography

Energy and Matter in the Atmosphere

Atmospheric Motion

Atmospheric Moisture

Weather Systems and Severe Weather

Atmosphere-Ocean-Cryosphere Interactions

Climates Around the World

Water Resources

Understanding Landscapes

Plate Tectonics and Regional Features

Volcanoes,deformation,and Earthquakes

Weathering and Mass Wasting

Glaciers and Glacial Landforms

Coasts and Changing Sea Levels

Soils

Ecosystems and Biogeochemical Cycles

Biomes

Filters