Question 1

The material in a glacial moraine is

Accepted Answer

A)  sorted by weight. 
B)  sorted by size. 
C)  sorted by weight and size. 
D)  unsorted. 
A)  sorted by weight. 
B)  sorted by size. 
C)  sorted by weight and size. 
D)  unsorted.

Question 2

Noncryotic ground occurs in regions of continuous permafrost.

Accepted Answer

A) True 
 B)False

Question 3

In an area of permafrost, subsurface water that is frozen is specifically called

Accepted Answer

A)  the active layer. 
B)  a talik. 
C)  ground ice. 
D)  periglacial water. 
A)  the active layer. 
B)  a talik. 
C)  ground ice. 
D)  periglacial water.

Question 4

The opposite of the accumulation zone in a glacier is the

Accepted Answer

A)  abrasion zone. 
B)  equilibrium line. 
C)  ablation zone. 
D)  snow and firn area. 
A)  abrasion zone. 
B)  equilibrium line. 
C)  ablation zone. 
D)  snow and firn area.

Question 5

A tarn is a lake in a

Accepted Answer

A)  till plain. 
B)  horn. 
C)  cirque. 
D)  glacial valley. 
A)  till plain. 
B)  horn. 
C)  cirque. 
D)  glacial valley.

Question 6

A visible snowline across the surface of a glacier is called

Accepted Answer

A)  an equilibrium line. 
B)  a medial moraine. 
C)  a firn line. 
D)  the ice line. 
A)  an equilibrium line. 
B)  a medial moraine. 
C)  a firn line. 
D)  the ice line.

Question 7

Patterned ground phenomena may include

Accepted Answer

A)  rocks arranged in geometric forms. 
B)  polygon nets. 
C)  circles, hummocks, and stripes of arranged rocks. 
D)  all of these 
A)  rocks arranged in geometric forms. 
B)  polygon nets. 
C)  circles, hummocks, and stripes of arranged rocks. 
D)  all of these

Question 8

A specific landform produced by the deposition of glacial till is known as

Accepted Answer

A)  glacial drift. 
B)  outwash. 
C)  a moraine. 
D)  alluvium. 
A)  glacial drift. 
B)  outwash. 
C)  a moraine. 
D)  alluvium.

Question 9

Which of the following is false regarding the basal layer of a glacier?

Accepted Answer

A)  It can extend tens of meters above the ground surface. 
B)  It tends to flow more slowly than the overlying parts of the glacier. 
C)  It contains more debris than other parts of the glacier. 
D)  Crevasses form in this region of the glacier. 
A)  It can extend tens of meters above the ground surface. 
B)  It tends to flow more slowly than the overlying parts of the glacier. 
C)  It contains more debris than other parts of the glacier. 
D)  Crevasses form in this region of the glacier.

Question 10

The zone where positive gains end and losses begin in the glacial mass balance is called

Accepted Answer

A)  an equilibrium line. 
B)  medial moraine. 
C)  firn line. 
D)  the ice field line. 
A)  an equilibrium line. 
B)  medial moraine. 
C)  firn line. 
D)  the ice field line.

Question 11

Antarctica is colder than the Arctic because

Accepted Answer

A)  of the principle of continentality. 
B)  Antarctica has a higher elevation. 
C)  both A and B 
D)  None of these are true-the Arctic is actually colder than Antarctica. 
A)  of the principle of continentality. 
B)  Antarctica has a higher elevation. 
C)  both A and B 
D)  None of these are true-the Arctic is actually colder than Antarctica.

Question 12

Which of the following is true of glacial movement?

Accepted Answer

A)  The rate of surface motion is usually identical to the basal slip rate. 
B)  The internal flow just below the surface is greater than the basal flow. 
C)  All glaciers move just a few centimeters per year. 
D)  The basal ice layer does not move downslope. 
A)  The rate of surface motion is usually identical to the basal slip rate. 
B)  The internal flow just below the surface is greater than the basal flow. 
C)  All glaciers move just a few centimeters per year. 
D)  The basal ice layer does not move downslope.

Question 13

Firn has a higher density than glacial ice.

Accepted Answer

A) True 
 B)False

Question 14

Global warming has doubled the depth of the active layer in Siberia.

Accepted Answer

A) True 
 B)False

Question 15

Unlike a stream-cut valley that assumes a characteristic ________-shape, a glacially-carved valley evidences a characteristic ________-shape.

Accepted Answer

A)  U; V 
B)  V; U 
C)  flat; rounded 
D)  steep; shallow 
A)  U; V 
B)  V; U 
C)  flat; rounded 
D)  steep; shallow

Question 16

Glacial polish results from

Accepted Answer

A)  abrasion. 
B)  ice plucking. 
C)  regelation. 
D)  rotation of ice about a vertical axis. 
A)  abrasion. 
B)  ice plucking. 
C)  regelation. 
D)  rotation of ice about a vertical axis.

Question 17

Which of the following is false regarding research at Dome C?

Accepted Answer

A)  Ice cores record climates as far back as 800,000 years. 
B)  The ice is 3309 m (10,856 ft) deep there. 
C)  The ice from MIS 11 is of great value due to the similarities to the present. 
D)  The ice core record contains several periods with CO₂ levels twice as high as current levels. 
A)  Ice cores record climates as far back as 800,000 years. 
B)  The ice is 3309 m (10,856 ft) deep there. 
C)  The ice from MIS 11 is of great value due to the similarities to the present. 
D)  The ice core record contains several periods with CO₂ levels twice as high as current levels.

Question 18

Which of the following is true?

Accepted Answer

A)  Earth's axial tilt varies through time. 
B)  The ellipticity of Earth's orbit varies through time. 
C)  Earth wobbles on its axis. 
D)  All of the above are true. 
E)  B and C only 
A)  Earth's axial tilt varies through time. 
B)  The ellipticity of Earth's orbit varies through time. 
C)  Earth wobbles on its axis. 
D)  All of the above are true. 
E)  B and C only

Question 19

A glacial takes about ________ years to develop, whereas an interglacial requires about ________ years.

Accepted Answer

A)  1000; 100 
B)  100; 1000 
C)  90,000; 10,000 
D)  10,000; 90,000 
A)  1000; 100 
B)  100; 1000 
C)  90,000; 10,000 
D)  10,000; 90,000

Question 20

Which of the following is true of the snowline?

Accepted Answer

A)  It increases in elevation with increasing latitude. 
B)  It decreases in elevation with increasing latitude. 
C)  It occurs at approximately the same elevation at all latitudes because the environmental lapse rate is approximately the same at all latitudes. 
A)  It increases in elevation with increasing latitude. 
B)  It decreases in elevation with increasing latitude. 
C)  It occurs at approximately the same elevation at all latitudes because the environmental lapse rate is approximately the same at all latitudes.

The material in a glacial moraine is

Noncryotic ground occurs in regions of continuous permafrost.

In an area of permafrost, subsurface water that is frozen is specifically called

The opposite of the accumulation zone in a glacier is the

A tarn is a lake in a

A visible snowline across the surface of a glacier is called

Patterned ground phenomena may include

A specific landform produced by the deposition of glacial till is known as

Which of the following is false regarding the basal layer of a glacier?

The zone where positive gains end and losses begin in the glacial mass balance is called

Antarctica is colder than the Arctic because

Which of the following is true of glacial movement?

Firn has a higher density than glacial ice.

Global warming has doubled the depth of the active layer in Siberia.

Unlike a stream-cut valley that assumes a characteristic -shape, a glacially-carved valley evidences a characteristic -shape.

Glacial polish results from

Which of the following is false regarding research at Dome C?

Which of the following is true?

A glacial takes about years to develop, whereas an interglacial requires about years.

Which of the following is true of the snowline?

Foundations of Geography

Solar Energy, Seasons, and the Atmosphere

Atmospheric Energy and Global Temperatures

Atmospheric and Oceanic Circulation

Atmospheric Water and Weather

Water Resources

Global Climate Systems

The Dynamic Planet

Earthquakes and Volcanoes

Weathering, Karst Landscapes, and Mass Movement

Wind Processes and Desert Landscapes

The Oceans, Coastal Processes, and Landforms

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Exam 14: Glacial and Penglacial Landscapes

The material in a glacial moraine is

Noncryotic ground occurs in regions of continuous permafrost.

In an area of permafrost, subsurface water that is frozen is specifically called

The opposite of the accumulation zone in a glacier is the

A tarn is a lake in a

A visible snowline across the surface of a glacier is called

Patterned ground phenomena may include

A specific landform produced by the deposition of glacial till is known as

Which of the following is false regarding the basal layer of a glacier?

The zone where positive gains end and losses begin in the glacial mass balance is called

Antarctica is colder than the Arctic because

Which of the following is true of glacial movement?

Firn has a higher density than glacial ice.

Global warming has doubled the depth of the active layer in Siberia.

Unlike a stream-cut valley that assumes a characteristic ________-shape, a glacially-carved valley evidences a characteristic ________-shape.

Glacial polish results from

Which of the following is false regarding research at Dome C?

Which of the following is true?

A glacial takes about ________ years to develop, whereas an interglacial requires about ________ years.

Which of the following is true of the snowline?

Foundations of Geography

Solar Energy, Seasons, and the Atmosphere

Atmospheric Energy and Global Temperatures

Atmospheric and Oceanic Circulation

Atmospheric Water and Weather

Water Resources

Global Climate Systems

The Dynamic Planet

Earthquakes and Volcanoes

Weathering, Karst Landscapes, and Mass Movement

Wind Processes and Desert Landscapes

The Oceans, Coastal Processes, and Landforms

The Geography of Soils

Ecosystems and Biomes

Earth and the Human Denominator

Filters

Unlike a stream-cut valley that assumes a characteristic -shape, a glacially-carved valley evidences a characteristic -shape.

A glacial takes about years to develop, whereas an interglacial requires about years.