Question 1

The general term for glacially deposited sediments is alluvium.

Accepted Answer

A) True 
 B)False  False

Question 2

Which type of glacier dominates Greenland and Antarctica?

Accepted Answer

A) Ice cap. 
B) Ice sheet. 
C) Ice field. 
D) Ice shelves. 
A) Ice cap. 
B) Ice sheet. 
C) Ice field. 
D) Ice shelves. B

Question 3

Compare Antarctica with the Arctic.Which of the following is true?

Accepted Answer

A) The Antarctic is generally warmer than the Arctic. 
B) Antarctica can be thought of as a continent covered by a single enormous glacier. 
C) The Arctic is a large landmass surrounded by a cold ocean. 
D) Less than one quarter of the Arctic sea-ice volume has disappeared since 1970. 
A) The Antarctic is generally warmer than the Arctic. 
B) Antarctica can be thought of as a continent covered by a single enormous glacier. 
C) The Arctic is a large landmass surrounded by a cold ocean. 
D) Less than one quarter of the Arctic sea-ice volume has disappeared since 1970. B

Question 4

Which is frozen subsurface water in regions of permafrost?

Accepted Answer

A) Talik. 
B) The active layer. 
C) Ground ice. 
D) Periglacial water. 
A) Talik. 
B) The active layer. 
C) Ground ice. 
D) Periglacial water.

Question 5

Glacial ice can form during the duration of a single winter season in most glacial areas.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following has been cited as a positive feedback loop involving the thawing of permafrost?

Accepted Answer

A) Thawing of permafrost will increase albedo,leading to more warming. 
B) Thawing of permafrost will release vast amounts of carbon to the atmosphere,accelerating warming. 
C) Thawing of permafrost will contribute to sea level rise,which will further reduce overall global albedo values. 
D) Thawing of permafrost will inhibit frost wedging action on large boulders,altering absorption ability. 
A) Thawing of permafrost will increase albedo,leading to more warming. 
B) Thawing of permafrost will release vast amounts of carbon to the atmosphere,accelerating warming. 
C) Thawing of permafrost will contribute to sea level rise,which will further reduce overall global albedo values. 
D) Thawing of permafrost will inhibit frost wedging action on large boulders,altering absorption ability.

Question 7

Solifluction is most similar to which mass movement process?

Accepted Answer

A) Slump. 
B) Mudflow. 
C) Creep. 
D) Fall. 
A) Slump. 
B) Mudflow. 
C) Creep. 
D) Fall.

Question 8

Drumlins and kettles are examples of alpine glacial landforms.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following are directly related to glacial erosion?

Accepted Answer

A) Ablation. 
B) Moraines. 
C) Plucking. 
D) Erratics. 
A) Ablation. 
B) Moraines. 
C) Plucking. 
D) Erratics.

Question 10

During the Pleistocene ice age,many areas of the southwestern United States were covered by large pluvial lakes.

Accepted Answer

A) True 
 B)False

Question 11

Why did past climate changes occur?

Accepted Answer

A) Variations in the solar constant. 
B) A steady decrease in temperature from the beginning of time until the Industrial Revolution. 
C) Celestial and geophysical factors. 
D) A steady,uniform decrease in the ability of the atmosphere to hold moisture. 
A) Variations in the solar constant. 
B) A steady decrease in temperature from the beginning of time until the Industrial Revolution. 
C) Celestial and geophysical factors. 
D) A steady,uniform decrease in the ability of the atmosphere to hold moisture.

Question 12

Vatnajökull is the largest and most voluminous Icelandic glacier.It is roughly circular in shape,overlays several volcanoes,and covers an area of approximately 8,100 km2 with an average thickness of 400 m.Of which is this an example?

Accepted Answer

A) Ice sheet. 
B) Ice cap. 
C) Ice field. 
D) Alpine glacier. 
A) Ice sheet. 
B) Ice cap. 
C) Ice field. 
D) Alpine glacier.

Question 13

There is no evidence of recent Antarctic ice sheet breakup.

Accepted Answer

A) True 
 B)False

Question 14

Describe the process of glacial movement.

Accepted Answer

Glacial ice behaves as a plastic; it dis

Question 15

Cirques,horns,cols,and arête are examples of depositional landforms from ice sheets.

Accepted Answer

A) True 
 B)False

Question 16

Most glaciers are stationary,moving at no more than several millimeters per year.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following best describes 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.

Question 18

Which marks the location where accumulation balances ablation?

Accepted Answer

A) Equilibrium line. 
B) Medial moraine. 
C) Snowline. 
D) Crevasses. 
A) Equilibrium line. 
B) Medial moraine. 
C) Snowline. 
D) Crevasses.

Question 19

Describe the process by which snow becomes glacial ice.

Accepted Answer

Glaciers form by the continual accumulat

Question 20

The accumulation zone of a glacier is bounded by a line which marks the elevation above which the winter snow and ice remained intact throughout the summer.Which is this elevation?

Accepted Answer

A) Ice field. 
B) Firn line. 
C) Snow line. 
D) Terminal moraine. 
A) Ice field. 
B) Firn line. 
C) Snow line. 
D) Terminal moraine.

The general term for glacially deposited sediments is alluvium.

Which type of glacier dominates Greenland and Antarctica?

Compare Antarctica with the Arctic.Which of the following is true?

Which is frozen subsurface water in regions of permafrost?

Glacial ice can form during the duration of a single winter season in most glacial areas.

Which of the following has been cited as a positive feedback loop involving the thawing of permafrost?

Solifluction is most similar to which mass movement process?

Drumlins and kettles are examples of alpine glacial landforms.

Which of the following are directly related to glacial erosion?

During the Pleistocene ice age,many areas of the southwestern United States were covered by large pluvial lakes.

Why did past climate changes occur?

Vatnajökull is the largest and most voluminous Icelandic glacier.It is roughly circular in shape,overlays several volcanoes,and covers an area of approximately 8,100 km2 with an average thickness of 400 m.Of which is this an example?

There is no evidence of recent Antarctic ice sheet breakup.

Describe the process of glacial movement.

Cirques,horns,cols,and arête are examples of depositional landforms from ice sheets.

Most glaciers are stationary,moving at no more than several millimeters per year.

Which of the following best describes the snowline?

Which marks the location where accumulation balances ablation?

Describe the process by which snow becomes glacial ice.

The accumulation zone of a glacier is bounded by a line which marks the elevation above which the winter snow and ice remained intact throughout the summer.Which is this elevation?

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

River Systems

Oceans, coastal Processes, and Wind Processes

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Ecosystem Essentials

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Exam 17: Glacial and Periglacial Landscapes

The general term for glacially deposited sediments is alluvium.

Which type of glacier dominates Greenland and Antarctica?

Compare Antarctica with the Arctic.Which of the following is true?

Which is frozen subsurface water in regions of permafrost?

Glacial ice can form during the duration of a single winter season in most glacial areas.

Which of the following has been cited as a positive feedback loop involving the thawing of permafrost?

Solifluction is most similar to which mass movement process?

Drumlins and kettles are examples of alpine glacial landforms.

Which of the following are directly related to glacial erosion?

During the Pleistocene ice age,many areas of the southwestern United States were covered by large pluvial lakes.

Why did past climate changes occur?

Vatnajökull is the largest and most voluminous Icelandic glacier.It is roughly circular in shape,overlays several volcanoes,and covers an area of approximately 8,100 km2 with an average thickness of 400 m.Of which is this an example?

There is no evidence of recent Antarctic ice sheet breakup.

Describe the process of glacial movement.

Cirques,horns,cols,and arête are examples of depositional landforms from ice sheets.

Most glaciers are stationary,moving at no more than several millimeters per year.

Which of the following best describes the snowline?

Which marks the location where accumulation balances ablation?

Describe the process by which snow becomes glacial ice.

The accumulation zone of a glacier is bounded by a line which marks the elevation above which the winter snow and ice remained intact throughout the summer.Which is this elevation?

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

River Systems

Oceans, coastal Processes, and Wind Processes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters