Question 1

Alluvial fans are produced when flowing water loses velocity as it leaves a constricted canyon and thereby deposits a large amount of sediment.

Accepted Answer

A) True 
 B)False  True

Question 2

Which of the following tends to occur when an area experiences tectonic uplift in its headwater region?

Accepted Answer

A) The stream will begin to deposit more of its load. 
B) The channel will begin to erode downward at a faster rate. 
C) The stream will lose energy. 
D) The amount of turbulence will decrease. 
A) The stream will begin to deposit more of its load. 
B) The channel will begin to erode downward at a faster rate. 
C) The stream will lose energy. 
D) The amount of turbulence will decrease. B

Question 3

A braided stream is indicative of excess sedimentation.

Accepted Answer

A) True 
 B)False  True

Question 4

Which is the drainage pattern that is characteristic of dipping or folded topography?

Accepted Answer

A) Annular. 
B) Trellis. 
C) Radial. 
D) Rectangular. 
A) Annular. 
B) Trellis. 
C) Radial. 
D) Rectangular.

Question 5

As the discharge of a stream increases,which of the following also happens?

Accepted Answer

A) Stream channels narrow,become shallower,and lose velocity. 
B) The rate of flow decreases. 
C) Channel width increases but channel depth decreases. 
D) Width,depth,and velocity all increase. 
A) Stream channels narrow,become shallower,and lose velocity. 
B) The rate of flow decreases. 
C) Channel width increases but channel depth decreases. 
D) Width,depth,and velocity all increase.

Question 6

Which is the general term for channelized water flow,regardless of size?

Accepted Answer

A) River. 
B) Gully. 
C) Stream. 
D) Rill. 
A) River. 
B) Gully. 
C) Stream. 
D) Rill.

Question 7

Which are cone-shaped deposits of sediment often found at mouths of canyons in arid and semiarid climates?

Accepted Answer

A) Deposition. 
B) Deltas. 
C) Alluvial fans. 
D) Clastics. 
A) Deposition. 
B) Deltas. 
C) Alluvial fans. 
D) Clastics.

Question 8

Which lists the total possible load that a stream can transport as compared to a stream's ability to move particles of specific size?

Accepted Answer

A) Capacity; competence. 
B) Competence; capacity. 
C) Discharge; competence. 
D) Bed load; sediment load. 
A) Capacity; competence. 
B) Competence; capacity. 
C) Discharge; competence. 
D) Bed load; sediment load.

Question 9

Construction of a dam across a river is likely to cause which processes to occur upstream and downstream?

Accepted Answer

A) Erosion; aggradation. 
B) Erosion; erosion. 
C) Aggradation; erosion. 
D) Aggradation; aggradation. 
A) Erosion; aggradation. 
B) Erosion; erosion. 
C) Aggradation; erosion. 
D) Aggradation; aggradation.

Question 10

Terraces form when the energy in a river increases.

Accepted Answer

A) True 
 B)False

Question 11

As they migrate,meandering streams erode their out outside banks,often forming a narrow neck of land that eventually erodes through and forms a cutoff.Which of the following does the stream then become?

Accepted Answer

A) Narrower. 
B) Straighter. 
C) More sinuous. 
D) Wider. 
A) Narrower. 
B) Straighter. 
C) More sinuous. 
D) Wider.

Question 12

The suspended load of a stream is the coarser materials that are dragged along the stream bed.

Accepted Answer

A) True 
 B)False

Question 13

Which is the drainage pattern that is associated with steep slopes?

Accepted Answer

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

Question 14

Which is a stream's volume of flow per unit of time?

Accepted Answer

A) Speed. 
B) Velocity. 
C) Discharge. 
D) Flow rate. 
A) Speed. 
B) Velocity. 
C) Discharge. 
D) Flow rate.

Question 15

On what is the statistical rating of flood discharge based?

Accepted Answer

A) Historical records of discharge during precipitation events. 
B) Floodplain width. 
C) Average channel depth. 
D) The rate of aggradation or degradation of a stream. 
A) Historical records of discharge during precipitation events. 
B) Floodplain width. 
C) Average channel depth. 
D) The rate of aggradation or degradation of a stream.

Question 16

Which is a tributary that is physically unable to join the main channel on a floodplain due to natural levees?

Accepted Answer

A) Alluvial stream. 
B) Yazoo tributary. 
C) Levee tributary. 
D) Meandering tributary. 
A) Alluvial stream. 
B) Yazoo tributary. 
C) Levee tributary. 
D) Meandering tributary.

Question 17

When are natural levees created?

Accepted Answer

A) During floods. 
B) During normal flow conditions. 
C) During low flow conditions. 
D) During degradation. 
A) During floods. 
B) During normal flow conditions. 
C) During low flow conditions. 
D) During degradation.

Question 18

Which is a drainage system that maintains its original course and pattern as it erodes into underlying horizontal beds of different structure than that in which the system evolved?

Accepted Answer

A) Deranged pattern. 
B) Discordant streams. 
C) Annular patterns. 
D) Superposed stream. 
A) Deranged pattern. 
B) Discordant streams. 
C) Annular patterns. 
D) Superposed stream.

Question 19

Which of the following may act as a local base level?

Accepted Answer

A) A lake that a river flows into. 
B) A drainage divide. 
C) The upper surface of a waterfall. 
D) An interfluve. 
A) A lake that a river flows into. 
B) A drainage divide. 
C) The upper surface of a waterfall. 
D) An interfluve.

Question 20

The entrenchment of a river into its own floodplain produces which of the following?

Accepted Answer

A) Backswamps. 
B) Alluvial terraces. 
C) Natural levees. 
D) River deltas. 
A) Backswamps. 
B) Alluvial terraces. 
C) Natural levees. 
D) River deltas.

Alluvial fans are produced when flowing water loses velocity as it leaves a constricted canyon and thereby deposits a large amount of sediment.

Which of the following tends to occur when an area experiences tectonic uplift in its headwater region?

A braided stream is indicative of excess sedimentation.

Which is the drainage pattern that is characteristic of dipping or folded topography?

As the discharge of a stream increases,which of the following also happens?

Which is the general term for channelized water flow,regardless of size?

Which are cone-shaped deposits of sediment often found at mouths of canyons in arid and semiarid climates?

Which lists the total possible load that a stream can transport as compared to a stream's ability to move particles of specific size?

Construction of a dam across a river is likely to cause which processes to occur upstream and downstream?

Terraces form when the energy in a river increases.

As they migrate,meandering streams erode their out outside banks,often forming a narrow neck of land that eventually erodes through and forms a cutoff.Which of the following does the stream then become?

The suspended load of a stream is the coarser materials that are dragged along the stream bed.

Which is the drainage pattern that is associated with steep slopes?

Which is a stream's volume of flow per unit of time?

On what is the statistical rating of flood discharge based?

Which is a tributary that is physically unable to join the main channel on a floodplain due to natural levees?

When are natural levees created?

Which is a drainage system that maintains its original course and pattern as it erodes into underlying horizontal beds of different structure than that in which the system evolved?

Which of the following may act as a local base level?

The entrenchment of a river into its own floodplain produces which of the following?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, earthquakes, and Volcanism

Weathering, karst Landscapes, and Mass Movement

Oceans, coastal Processes, and Wind Processes

Glacial and Periglacial Landscapes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

Exam 15: River Systems

Alluvial fans are produced when flowing water loses velocity as it leaves a constricted canyon and thereby deposits a large amount of sediment.

Which of the following tends to occur when an area experiences tectonic uplift in its headwater region?

A braided stream is indicative of excess sedimentation.

Which is the drainage pattern that is characteristic of dipping or folded topography?

As the discharge of a stream increases,which of the following also happens?

Which is the general term for channelized water flow,regardless of size?

Which are cone-shaped deposits of sediment often found at mouths of canyons in arid and semiarid climates?

Which lists the total possible load that a stream can transport as compared to a stream's ability to move particles of specific size?

Construction of a dam across a river is likely to cause which processes to occur upstream and downstream?

Terraces form when the energy in a river increases.

As they migrate,meandering streams erode their out outside banks,often forming a narrow neck of land that eventually erodes through and forms a cutoff.Which of the following does the stream then become?

The suspended load of a stream is the coarser materials that are dragged along the stream bed.

Which is the drainage pattern that is associated with steep slopes?

Which is a stream's volume of flow per unit of time?

On what is the statistical rating of flood discharge based?

Which is a tributary that is physically unable to join the main channel on a floodplain due to natural levees?

When are natural levees created?

Which is a drainage system that maintains its original course and pattern as it erodes into underlying horizontal beds of different structure than that in which the system evolved?

Which of the following may act as a local base level?

The entrenchment of a river into its own floodplain produces which of the following?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, earthquakes, and Volcanism

Weathering, karst Landscapes, and Mass Movement

Oceans, coastal Processes, and Wind Processes

Glacial and Periglacial Landscapes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters