Question 1

Channels running through a delta divide into smaller courses that do not reconnect to the main channel.These are known as

Accepted Answer

A) estuaries. 
B) alluvial terraces. 
C) yazoos. 
D) alluvium. 
E) distributaries. 
A) estuaries. 
B) alluvial terraces. 
C) yazoos. 
D) alluvium. 
E) distributaries.

Question 2

Entrenchment of a channel occurs because

Accepted Answer

A) a decrease in stream gradient occurs. 
B) a change in the bed load size-distribution occurs. 
C) the river flows from consolidated rock into a region composed of loose sediments. 
D) rejuvenation occurs due to uplift. 
E) isostatic downwarping of the crust occurs. 
A) a decrease in stream gradient occurs. 
B) a change in the bed load size-distribution occurs. 
C) the river flows from consolidated rock into a region composed of loose sediments. 
D) rejuvenation occurs due to uplift. 
E) isostatic downwarping of the crust occurs.

Question 3

A(n)_____is a stream which maintains an equilibrium between the processes of erosion and deposition and,therefore degradation and aggradation.

Accepted Answer

A) graded stream 
B) oxbow 
C) anabranching river 
D) meandering stream 
E) rill 
A) graded stream 
B) oxbow 
C) anabranching river 
D) meandering stream 
E) rill

Question 4

Bed load is moved by

Accepted Answer

A) saltation only. 
B) traction only. 
C) suspension only. 
D) saltation,traction,and suspension. 
E) both saltation and traction,but not suspension. 
A) saltation only. 
B) traction only. 
C) suspension only. 
D) saltation,traction,and suspension. 
E) both saltation and traction,but not suspension.

Question 5

Watersheds are defined by

Accepted Answer

A) continental divides. 
B) drainage divides. 
C) stream orders. 
D) fluvial units. 
E) stream size and density. 
A) continental divides. 
B) drainage divides. 
C) stream orders. 
D) fluvial units. 
E) stream size and density.

Question 6

Drainage basins are

Accepted Answer

A) open systems. 
B) closed systems. 
C) equilibrium systems. 
D) open systems in terms of energy,closed systems in terms of matter. 
E) closed systems in terms of energy,open systems in terms of matter. 
A) open systems. 
B) closed systems. 
C) equilibrium systems. 
D) open systems in terms of energy,closed systems in terms of matter. 
E) closed systems in terms of energy,open systems in terms of matter.

Question 7

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

Question 8

A(n)_____stream is one in which the channel slope has adjusted so that stream velocity is just enough to transport the sediment load.

Accepted Answer

A) graded 
B) ungraded 
C) equilibrium 
D) disequilibrium 
E) channel 
A) graded 
B) ungraded 
C) equilibrium 
D) disequilibrium 
E) channel

Question 9

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 
E) deeply entrenched U-shaped valleys 
A) V-shaped valleys 
B) braided stream 
C) meandering stream 
D) straight,steep-walled channels 
E) deeply entrenched U-shaped valleys

Question 10

Which of the following is not an example of humans impacting river systems?

Accepted Answer

A) dams altering river flow and sediment loads 
B) urbanization altering run-off 
C) deforestation altering sediment loads in streams 
D) levee constructions affecting floodplain ecosystems 
E) rivers and streams provide recreation to humans 
A) dams altering river flow and sediment loads 
B) urbanization altering run-off 
C) deforestation altering sediment loads in streams 
D) levee constructions affecting floodplain ecosystems 
E) rivers and streams provide recreation to humans

Question 11

Describe 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

Figure GIA 14.2B nicely illustrates the

Question 12

Processes that are related expressly to streams and rivers are termed

Accepted Answer

A) fluvial. 
B) geomorphic. 
C) lentic. 
D) lotic. 
E) riverine. 
A) fluvial. 
B) geomorphic. 
C) lentic. 
D) lotic. 
E) riverine.

Question 13

Define the following terms: drainage basis,drainage divide,interfluve,and valley.

Accepted Answer

drainage basin (watershed): an area of l

Question 14

Rectangular drainage patterns form primarily as a result of

Accepted Answer

A) differential resistance to erosion. 
B) topographic uplift. 
C) flow through anticlinal and synclinal topography. 
D) flow through a faulted and jointed landscape. 
E) hard,resistant rock that prevents erosion. 
A) differential resistance to erosion. 
B) topographic uplift. 
C) flow through anticlinal and synclinal topography. 
D) flow through a faulted and jointed landscape. 
E) hard,resistant rock that prevents erosion.

Question 15

A maze of interconnected channels formed on a river with a high sediment load is known as a(n)____stream.

Accepted Answer

A) braided 
B) anabranching 
C) meandering 
D) straight 
E) exotic 
A) braided 
B) anabranching 
C) meandering 
D) straight 
E) exotic

Question 16

Faulted and jointed landscapes direct stream courses in patterns of right-angle turns forming this drainage pattern.

Accepted Answer

A) radial 
B) rectangular 
C) trellis 
D) dendritic 
E) deranged 
A) radial 
B) rectangular 
C) trellis 
D) dendritic 
E) deranged

Question 17

Discuss the concept of the graded stream.Do most streams approximate a graded stream? Why or why not?

Accepted Answer

A graded stream is one in which the chan

Question 18

Maximum velocity in a straight channel is 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. 
E) near either of the river banks. 
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. 
E) near either of the river banks.

Question 19

The drop in stream elevation per unit distance is known as

Accepted Answer

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

Question 20

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 
E) a decrease in flood frequency 
A) a large increase in sediment load 
B) tectonic uplift of the headwaters 
C) a rise in sea level 
D) a decrease in rainfall 
E) a decrease in flood frequency

Channels running through a delta divide into smaller courses that do not reconnect to the main channel.These are known as

Entrenchment of a channel occurs because

A(n)_____is a stream which maintains an equilibrium between the processes of erosion and deposition and,therefore degradation and aggradation.

Bed load is moved by

Watersheds are defined by

Drainage basins are

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

A(n)_____stream is one in which the channel slope has adjusted so that stream velocity is just enough to transport the sediment load.

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

Which of the following is not an example of humans impacting river systems?

Describe 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.

Processes that are related expressly to streams and rivers are termed

Define the following terms: drainage basis,drainage divide,interfluve,and valley.

Rectangular drainage patterns form primarily as a result of

A maze of interconnected channels formed on a river with a high sediment load is known as a(n)____stream.

Faulted and jointed landscapes direct stream courses in patterns of right-angle turns forming this drainage pattern.

Discuss the concept of the graded stream.Do most streams approximate a graded stream? Why or why not?

Maximum velocity in a straight channel is found

The drop in stream elevation per unit distance is known as

Which of the following will favor stream terrace formation?

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Exam 14: River Systems

Channels running through a delta divide into smaller courses that do not reconnect to the main channel.These are known as

Entrenchment of a channel occurs because

A(n)_____is a stream which maintains an equilibrium between the processes of erosion and deposition and,therefore degradation and aggradation.

Bed load is moved by

Watersheds are defined by

Drainage basins are

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

A(n)_____stream is one in which the channel slope has adjusted so that stream velocity is just enough to transport the sediment load.

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

Which of the following is not an example of humans impacting river systems?

Describe 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.

Processes that are related expressly to streams and rivers are termed

Define the following terms: drainage basis,drainage divide,interfluve,and valley.

Rectangular drainage patterns form primarily as a result of

A maze of interconnected channels formed on a river with a high sediment load is known as a(n)____stream.

Faulted and jointed landscapes direct stream courses in patterns of right-angle turns forming this drainage pattern.

Discuss the concept of the graded stream.Do most streams approximate a graded stream? Why or why not?

Maximum velocity in a straight channel is found

The drop in stream elevation per unit distance is known as

Which of the following will favor stream terrace formation?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earth’s Atmosphere

Atmospheric Energy and Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Earth’s Climatic Regions

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

Aeolian Processes and Arid Landscapes

Oceans and Coastal Systems

Glacial Landscapes and the Cryosphere

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters