Question 1

Where is erosion concentrated along a meandering stream?

Accepted Answer

A)  at the unconsolidated point bars 
B)  on the outer parts of the meander loops or bends 
C)  on the straight channel segments that connect the meander loops 
D)  on the inner banks of the meander loops 
A)  at the unconsolidated point bars 
B)  on the outer parts of the meander loops or bends 
C)  on the straight channel segments that connect the meander loops 
D)  on the inner banks of the meander loops B

Question 2

Which one of the following does not apply to stream turbulence and average velocity?

Accepted Answer

A)  channel shape; bed roughness 
B)  stream gradient; channel roughness 
C)  discharge; stream gradient 
D)  laminar flow; dissolved load 
A)  channel shape; bed roughness 
B)  stream gradient; channel roughness 
C)  discharge; stream gradient 
D)  laminar flow; dissolved load D

Question 3

A(n)__________ stream pattern develops where the same bedrock or regolith layer forms the land surface so that erosion rates are relatively uniform throughout the area.

Accepted Answer

A)  dendritic 
B)  trellis 
C)  radial 
D)  elliptical 
A)  dendritic 
B)  trellis 
C)  radial 
D)  elliptical A

Question 4

A __________stream pattern develops on lands underlain by tilted or folded, alternating hard and soft, sedimentary strata.

Accepted Answer

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

Question 5

Which of the following is the correct definition of stream gradient?

Accepted Answer

A)  the increase in discharge of a stream per unit drop in elevation 
B)  the drop in elevation of a stream divided by the distance the water travels 
C)  the distance travelled by water in a channel times a drop in elevation 
D)  the water pressure at the bottom of the stream divided by the stream's width 
A)  the increase in discharge of a stream per unit drop in elevation 
B)  the drop in elevation of a stream divided by the distance the water travels 
C)  the distance travelled by water in a channel times a drop in elevation 
D)  the water pressure at the bottom of the stream divided by the stream's width

Question 6

A radial drainage pattern would most likely develop_________ .

Accepted Answer

A)  in areas underlain by horizontal strata 
B)  on an active, growing volcano 
C)  in areas of folded and tilted strata with varying resistances to erosion 
D)  in areas where the bedrock is cut by sets of fractures at right angles 
A)  in areas underlain by horizontal strata 
B)  on an active, growing volcano 
C)  in areas of folded and tilted strata with varying resistances to erosion 
D)  in areas where the bedrock is cut by sets of fractures at right angles

Question 7

Which of the following must result in a lower base level for rivers and streams?

Accepted Answer

A)  sea level drops; land subsides to below sea level as in rifts like the Dead Sea and Death Valley 
B)  sea level falls; land rises 
C)  sea level rises; land rises 
D)  sea level rises: land subsides 
A)  sea level drops; land subsides to below sea level as in rifts like the Dead Sea and Death Valley 
B)  sea level falls; land rises 
C)  sea level rises; land rises 
D)  sea level rises: land subsides

Question 8

Which one of the following statements is true concerning natural levees?

Accepted Answer

A)  form the high, steep banks of a downcutting stream 
B)  erosional features left behind when meander cutoff occurs 
C)  depositional features formed at times of low discharge 
D)  mostly fine sand and silt that build up during floods 
A)  form the high, steep banks of a downcutting stream 
B)  erosional features left behind when meander cutoff occurs 
C)  depositional features formed at times of low discharge 
D)  mostly fine sand and silt that build up during floods

Question 9

Which one of the following would cause stream rejuvenation?

Accepted Answer

A)  the land is uplifted 
B)  sea level rises 
C)  a shift from downcutting to lateral cutting 
D)  when unstable distributaries in a delta are abandoned 
A)  the land is uplifted 
B)  sea level rises 
C)  a shift from downcutting to lateral cutting 
D)  when unstable distributaries in a delta are abandoned

Question 10

The __________river has the largest discharge at its mouth.

Accepted Answer

A)  Mackenzie 
B)  Yukon 
C)  Mississippi 
D)  Columbia 
A)  Mackenzie 
B)  Yukon 
C)  Mississippi 
D)  Columbia

Question 11

Which one of the following statements is correct?

Accepted Answer

A)  Sea level drops when evaporation rates increase over the oceans and when this extra, atmospheric moisture falls on land as rain. 
B)  Sea level drops in glacial times when increasing amounts of water are stored in expanding continental glaciers. 
C)  Sea level rises when water is added to the oceans through increased rainfall and increased inflow from rivers. 
D)  Sea level drops with new mid- ocean ridge formation because of the rifting and infiltration of water into the new ocean crust. 
A)  Sea level drops when evaporation rates increase over the oceans and when this extra, atmospheric moisture falls on land as rain. 
B)  Sea level drops in glacial times when increasing amounts of water are stored in expanding continental glaciers. 
C)  Sea level rises when water is added to the oceans through increased rainfall and increased inflow from rivers. 
D)  Sea level drops with new mid- ocean ridge formation because of the rifting and infiltration of water into the new ocean crust.

Question 12

__________describes the particle transport mode in streams intermediate between suspension and rolling along the bottom?

Accepted Answer

A)  Saltation 
B)  Skippity- doo- dah 
C)  Alluviation 
D)  Siltation 
A)  Saltation 
B)  Skippity- doo- dah 
C)  Alluviation 
D)  Siltation

Question 13

In a___________ drainage pattern that is generally developed in areas underlain by tilted or folded strata, tributary streams flow along outcrop areas of the softer strata.

Accepted Answer

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

Question 14

At the head of a delta, the major river divides into numerous, smaller channels. What are these smaller channels?

Accepted Answer

A)  cutoff chutes 
B)  outflow channels 
C)  intradeltaic rills 
D)  distributaries 
A)  cutoff chutes 
B)  outflow channels 
C)  intradeltaic rills 
D)  distributaries

Question 15

A natural, meandering, river channel is modified into a more or less straight and smooth, canal- like channel. Which of the following statements is correct?

Accepted Answer

A)  The straight channel has a higher gradient and more friction than the natural channel. 
B)  The natural channel had a lower gradient and less friction than the modified channel. 
C)  The natural channel had a lower gradient and higher friction than the straight channel. 
D)  There was no change in gradient or friction. 
A)  The straight channel has a higher gradient and more friction than the natural channel. 
B)  The natural channel had a lower gradient and less friction than the modified channel. 
C)  The natural channel had a lower gradient and higher friction than the straight channel. 
D)  There was no change in gradient or friction.

Question 16

If you found yourself "up the yazoo without a paddle" you'd likely be _____________.

Accepted Answer

A)  in a meander cutoff oxbow lake across the cutbank from the main channel 
B)  going up a low capacity parallel tributary on the other side of the levee from the main channel 
C)  vainly wishing that you had read the textbook a little more closely 
D)  following the wrong distributary upstream, never to intersect the main channel 
A)  in a meander cutoff oxbow lake across the cutbank from the main channel 
B)  going up a low capacity parallel tributary on the other side of the levee from the main channel 
C)  vainly wishing that you had read the textbook a little more closely 
D)  following the wrong distributary upstream, never to intersect the main channel

Question 17

A water gap is ___________ .

Accepted Answer

A)  a short segment of canyon formed where a river flows across the outcrop area of a resistant, ridge-forming rock layer 
B)  a low sag between adjoining segments of a natural levee 
C)  the narrow strip of land separating two meander loops 
D)  a vertical-walled canyon resulting from very rapid stream downcutting 
A)  a short segment of canyon formed where a river flows across the outcrop area of a resistant, ridge-forming rock layer 
B)  a low sag between adjoining segments of a natural levee 
C)  the narrow strip of land separating two meander loops 
D)  a vertical-walled canyon resulting from very rapid stream downcutting

Question 18

Many larger rivers in the Colorado Plateau region meander in deep, narrow canyons and have no floodplains. How could this happen?

Accepted Answer

A)  As the Colorado Plateau rose, the original, new- age streams became wiser. 
B)  Original, high gradient, youthful streams continued to downcut as the land rose. 
C)  As sea level dropped, the original youthful streams matured into old- age streams. 
D)  Original, low gradient, old age streams downcut as the land gradually rose. 
A)  As the Colorado Plateau rose, the original, new- age streams became wiser. 
B)  Original, high gradient, youthful streams continued to downcut as the land rose. 
C)  As sea level dropped, the original youthful streams matured into old- age streams. 
D)  Original, low gradient, old age streams downcut as the land gradually rose.

Question 19

Which one of the following best describes how urbanization affects small- stream watersheds?

Accepted Answer

A)  Infiltration and lag time between storms and peak runoff increase. 
B)  Infiltration decreases; lag time between storms and peak runoff is shortened. 
C)  Infiltration is reduced; lag time between storms and peak runoff is increased. 
D)  Infiltration increases slightly; lag time between storms and peak runoff decreases. 
A)  Infiltration and lag time between storms and peak runoff increase. 
B)  Infiltration decreases; lag time between storms and peak runoff is shortened. 
C)  Infiltration is reduced; lag time between storms and peak runoff is increased. 
D)  Infiltration increases slightly; lag time between storms and peak runoff decreases.

Question 20

______________describes the maximum solid particulate sediment load transported by a stream.

Accepted Answer

A)  Hydro- load factor 
B)  Capacity 
C)  Competence 
D)  Discharge 
A)  Hydro- load factor 
B)  Capacity 
C)  Competence 
D)  Discharge

Where is erosion concentrated along a meandering stream?

Which one of the following does not apply to stream turbulence and average velocity?

A(n)__________ stream pattern develops where the same bedrock or regolith layer forms the land surface so that erosion rates are relatively uniform throughout the area.

A __________stream pattern develops on lands underlain by tilted or folded, alternating hard and soft, sedimentary strata.

Which of the following is the correct definition of stream gradient?

A radial drainage pattern would most likely develop_________ .

Which of the following must result in a lower base level for rivers and streams?

Which one of the following statements is true concerning natural levees?

Which one of the following would cause stream rejuvenation?

The __________river has the largest discharge at its mouth.

Which one of the following statements is correct?

__________describes the particle transport mode in streams intermediate between suspension and rolling along the bottom?

In a___________ drainage pattern that is generally developed in areas underlain by tilted or folded strata, tributary streams flow along outcrop areas of the softer strata.

At the head of a delta, the major river divides into numerous, smaller channels. What are these smaller channels?

A natural, meandering, river channel is modified into a more or less straight and smooth, canal- like channel. Which of the following statements is correct?

If you found yourself "up the yazoo without a paddle" you'd likely be _____________.

A water gap is ___________ .

Many larger rivers in the Colorado Plateau region meander in deep, narrow canyons and have no floodplains. How could this happen?

Which one of the following best describes how urbanization affects small- stream watersheds?

______________describes the maximum solid particulate sediment load transported by a stream.

An Introduction to Geology and Plate Tectonics

Minerals: the Building Blocks of Rocks

Igneous Rocks

Volcanoes and Volcanic Processes

Weathering and Soil

Sedimentary Rocks

Geologic Time

Crustal Deformation

Earthquakes and Earths Interior

The Ocean Floor

Plate Tectonics: the Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters

Exam 7: Metamorphism and Metamorphic Rocks

Where is erosion concentrated along a meandering stream?

Which one of the following does not apply to stream turbulence and average velocity?

A(n)__________ stream pattern develops where the same bedrock or regolith layer forms the land surface so that erosion rates are relatively uniform throughout the area.

A __________stream pattern develops on lands underlain by tilted or folded, alternating hard and soft, sedimentary strata.

Which of the following is the correct definition of stream gradient?

A radial drainage pattern would most likely develop_________ .

Which of the following must result in a lower base level for rivers and streams?

Which one of the following statements is true concerning natural levees?

Which one of the following would cause stream rejuvenation?

The __________river has the largest discharge at its mouth.

Which one of the following statements is correct?

__________describes the particle transport mode in streams intermediate between suspension and rolling along the bottom?

In a___________ drainage pattern that is generally developed in areas underlain by tilted or folded strata, tributary streams flow along outcrop areas of the softer strata.

At the head of a delta, the major river divides into numerous, smaller channels. What are these smaller channels?

A natural, meandering, river channel is modified into a more or less straight and smooth, canal- like channel. Which of the following statements is correct?

If you found yourself "up the yazoo without a paddle" you'd likely be _____________.

A water gap is ___________ .

Many larger rivers in the Colorado Plateau region meander in deep, narrow canyons and have no floodplains. How could this happen?

Which one of the following best describes how urbanization affects small- stream watersheds?

______________describes the maximum solid particulate sediment load transported by a stream.

An Introduction to Geology and Plate Tectonics

Minerals: the Building Blocks of Rocks

Igneous Rocks

Volcanoes and Volcanic Processes

Weathering and Soil

Sedimentary Rocks

Geologic Time

Crustal Deformation

Earthquakes and Earths Interior

The Ocean Floor

Plate Tectonics: the Framework for Modern Geology

Mountain Building and Continental Frameworks

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Mineral and Energy Resources

Filters