Question 1

The high ground that separates one valley from another and directs sheetflow is known as

Accepted Answer

A)  the maximum contour elevation. 
B)  drainage divide. 
C)  an interfluve. 
D)  the continental divide. 
A)  the maximum contour elevation. 
B)  drainage divide. 
C)  an interfluve. 
D)  the continental divide.

Question 2

Peak flows refers to the highest discharge that occurs during a precipitation event.

Accepted Answer

A) True 
 B)False

Question 3

This graph, showing the effects of urbanization on streamflow over time, is an example of a

Accepted Answer

A)  water budget. 
B)  hydrograph. 
C)  climograph. 
D)  hydrological cycle. 
A)  water budget. 
B)  hydrograph. 
C)  climograph. 
D)  hydrological cycle.

Question 4

Which of the following lists of processes are in the correct sequence as to their occurrence in nature?

Accepted Answer

A)  deposition, erosion, transport, weathering 
B)  weathering, erosion, deposition, transport 
C)  weathering, deposition, erosion, transport 
D)  weathering, erosion, transport, deposition 
A)  deposition, erosion, transport, weathering 
B)  weathering, erosion, deposition, transport 
C)  weathering, deposition, erosion, transport 
D)  weathering, erosion, transport, deposition

Question 5

Processes that are related expressly to streams and rivers are termed

Accepted Answer

A)  fluvial. 
B)  geomorphic. 
C)  lemnetic. 
D)  lotic. 
A)  fluvial. 
B)  geomorphic. 
C)  lemnetic. 
D)  lotic.

Question 6

Which of the following will favor 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 
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 7

The main process contributing material in solution in sediment load is

Accepted Answer

A)  physical weathering. 
B)  chemical weathering. 
C)  biological weathering. 
D)  erosion. 
A)  physical weathering. 
B)  chemical weathering. 
C)  biological weathering. 
D)  erosion.

Question 8

Alluvial fans are formed as flowing water ________ as it leaves a constricted channel.

Accepted Answer

A)  gains velocity 
B)  changes direction 
C)  down cuts 
D)  loses velocity 
A)  gains velocity 
B)  changes direction 
C)  down cuts 
D)  loses velocity

Question 9

Watersheds are defined by

Accepted Answer

A)  continental divides. 
B)  drainage divides. 
C)  stream orders. 
D)  fluvial units. 
A)  continental divides. 
B)  drainage divides. 
C)  stream orders. 
D)  fluvial units.

Question 10

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

Question 11

Drainage basins are ________ systems.

Accepted Answer

A)  open 
B)  closed 
C)  open in terms of energy, closed in terms of matter 
D)  closed in terms of energy, open in terms of matter 
A)  open 
B)  closed 
C)  open in terms of energy, closed in terms of matter 
D)  closed in terms of energy, open in terms of matter

Question 12

The portion of each meandering curve subject to the slowest water velocity undergoes aggradation. This results in a(n)

Accepted Answer

A)  meander scar. 
B)  oxbow. 
C)  cutback. 
D)  point bar. 
A)  meander scar. 
B)  oxbow. 
C)  cutback. 
D)  point bar.

Question 13

An interruption in a stream's graded profile of equilibrium is called a

Accepted Answer

A)  gradation. 
B)  longitudinal interruption. 
C)  base level. 
D)  nickpoint. 
A)  gradation. 
B)  longitudinal interruption. 
C)  base level. 
D)  nickpoint.

Question 14

A stream that downcuts at the same rate as tectonic uplift, thereby maintaining its course is called a(n)

Accepted Answer

A)  meandering stream. 
B)  anabranching river. 
C)  antecedent stream. 
D)  rejuvenated river. 
A)  meandering stream. 
B)  anabranching river. 
C)  antecedent stream. 
D)  rejuvenated river.

Question 15

A mass of water above base level in a stream has ________ energy; as it flows downstream, this energy becomes ________ energy.

Accepted Answer

A)  kinetic; potential 
B)  potential; kinetic 
C)  kinetic; kinetic 
D)  potential; potential 
A)  kinetic; potential 
B)  potential; kinetic 
C)  kinetic; kinetic 
D)  potential; potential

Question 16

Which of the following best describes the relationship of deforestation to sediment load?

Accepted Answer

A)  Trees provide dissolved sediments to the stream; as trees are removed, the dissolved loads are diminished. 
B)  Trees roots help "anchor" soil; as the trees are removed, the soil more readily erodes into the river channels. 
C)  Forestry waste is often dumped in streams, contributing to the suspended loads. 
D)  The loss of trees along banks of streams increases stream velocity. 
A)  Trees provide dissolved sediments to the stream; as trees are removed, the dissolved loads are diminished. 
B)  Trees roots help "anchor" soil; as the trees are removed, the soil more readily erodes into the river channels. 
C)  Forestry waste is often dumped in streams, contributing to the suspended loads. 
D)  The loss of trees along banks of streams increases stream velocity.

Question 17

The portion of each meandering curve subject to the fastest water velocity undergoes the greatest erosive action. This action forms a steep

Accepted Answer

A)  meander scar. 
B)  oxbow. 
C)  cutback. 
D)  point bar. 
A)  meander scar. 
B)  oxbow. 
C)  cutback. 
D)  point bar.

Question 18

________ streams flow year-round, fed by snowmelt, rainfall, groundwater, or a combination thereof.

Accepted Answer

A)  Perennial 
B)  Intermittent 
C)  Ephemeral 
D)  Permanent 
A)  Perennial 
B)  Intermittent 
C)  Ephemeral 
D)  Permanent

Question 19

Drainage basins are closed systems in terms of matter.

Accepted Answer

A) True 
 B)False

Question 20

The drop in stream elevation per unit distance is known as

Accepted Answer

A)  discharge. 
B)  base level. 
C)  gradient. 
D)  aspect. 
A)  discharge. 
B)  base level. 
C)  gradient. 
D)  aspect.

The high ground that separates one valley from another and directs sheetflow is known as

Peak flows refers to the highest discharge that occurs during a precipitation event.

This graph, showing the effects of urbanization on streamflow over time, is an example of a

Which of the following lists of processes are in the correct sequence as to their occurrence in nature?

Processes that are related expressly to streams and rivers are termed

Which of the following will favor stream terrace formation?

The main process contributing material in solution in sediment load is

Alluvial fans are formed as flowing water ________ as it leaves a constricted channel.

Watersheds are defined by

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

Drainage basins are ________ systems.

The portion of each meandering curve subject to the slowest water velocity undergoes aggradation. This results in a(n)

An interruption in a stream's graded profile of equilibrium is called a

A stream that downcuts at the same rate as tectonic uplift, thereby maintaining its course is called a(n)

A mass of water above base level in a stream has energy; as it flows downstream, this energy becomes energy.

Which of the following best describes the relationship of deforestation to sediment load?

The portion of each meandering curve subject to the fastest water velocity undergoes the greatest erosive action. This action forms a steep

________ streams flow year-round, fed by snowmelt, rainfall, groundwater, or a combination thereof.

Drainage basins are closed systems in terms of matter.

The drop in stream elevation per unit distance is known as

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

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

Exam 15: River Systems and Landforms

The high ground that separates one valley from another and directs sheetflow is known as

Peak flows refers to the highest discharge that occurs during a precipitation event.

This graph, showing the effects of urbanization on streamflow over time, is an example of a

Which of the following lists of processes are in the correct sequence as to their occurrence in nature?

Processes that are related expressly to streams and rivers are termed

Which of the following will favor stream terrace formation?

The main process contributing material in solution in sediment load is

Alluvial fans are formed as flowing water ________ as it leaves a constricted channel.

Watersheds are defined by

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

Drainage basins are ________ systems.

The portion of each meandering curve subject to the slowest water velocity undergoes aggradation. This results in a(n)

An interruption in a stream's graded profile of equilibrium is called a

A stream that downcuts at the same rate as tectonic uplift, thereby maintaining its course is called a(n)

A mass of water above base level in a stream has ________ energy; as it flows downstream, this energy becomes ________ energy.

Which of the following best describes the relationship of deforestation to sediment load?

The portion of each meandering curve subject to the fastest water velocity undergoes the greatest erosive action. This action forms a steep

________ streams flow year-round, fed by snowmelt, rainfall, groundwater, or a combination thereof.

Drainage basins are closed systems in terms of matter.

The drop in stream elevation per unit distance is known as

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

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

A mass of water above base level in a stream has energy; as it flows downstream, this energy becomes energy.