Question 1

Approximately,81% of Greenland and 90% of Antarctica are covered with ice sheets.

Accepted Answer

A) True 
 B)False

Question 2

Which is a long,narrow glacially-eroded inlet in which the sea extends inland?

Accepted Answer

A) Cirque. 
B) Fjord. 
C) Tarn. 
D) Paternoster. 
A) Cirque. 
B) Fjord. 
C) Tarn. 
D) Paternoster.

Question 3

In terms of areal extent,which of the following sequences is ordered from largest to smallest extent covered?

Accepted Answer

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

Question 4

The presence of meltwater at the bottom of a glacier can increase its rate of movement.

Accepted Answer

A) True 
 B)False

Question 5

During the Pleistocene,there were as many as 18 glacial advances and retreats.

Accepted Answer

A) True 
 B)False

Question 6

To which does a snowline refer?

Accepted Answer

A) The latitude or elevation at which winter snow accumulates each year. 
B) The latitude demarcating the extent of glacial ice during the last glacial maximum. 
C) An isoline demarcating the extent of snow or ice on a weather map. 
D) The lowest line (latitude or elevation)where winter snow accumulation persists throughout the summer. 
A) The latitude or elevation at which winter snow accumulates each year. 
B) The latitude demarcating the extent of glacial ice during the last glacial maximum. 
C) An isoline demarcating the extent of snow or ice on a weather map. 
D) The lowest line (latitude or elevation)where winter snow accumulation persists throughout the summer.

Question 7

Permafrost describes those portions of the ocean that are constantly covered by floating ice.

Accepted Answer

A) True 
 B)False

Question 8

Crevasses in alpine glaciers result from friction,tension,or compression.

Accepted Answer

A) True 
 B)False

Question 9

Approximately,what percentage of Earth's freshwater is frozen?

Accepted Answer

A) 10%. 
B) 25%. 
C) 50%. 
D) 75%. 
A) 10%. 
B) 25%. 
C) 50%. 
D) 75%.

Question 10

Which is partially compacted snow that is an intermediate between snow and ice?

Accepted Answer

A) Firn. 
B) Glacier. 
C) Moraine. 
D) Snowline. 
A) Firn. 
B) Glacier. 
C) Moraine. 
D) Snowline.

Question 11

A glacier is an open system with inputs of snow and outputs of ice,meltwater,and water vapour.

Accepted Answer

A) True 
 B)False

Question 12

Permafrost requires soil,sediment,or rock temperatures to remain below freezing for at least 2 years.

Accepted Answer

A) True 
 B)False

Question 13

Which determines the mass balance of a glacier?

Accepted Answer

A) The volume of snow that falls each winter. 
B) The difference in volume of snow that falls each year. 
C) The balance between accumulation and ablation. 
D) The volume of ablation. 
A) The volume of snow that falls each winter. 
B) The difference in volume of snow that falls each year. 
C) The balance between accumulation and ablation. 
D) The volume of ablation.

Question 14

The Great Lakes of North America resulted from repeated glacial advances and retreats which enlarged and deepened stream valleys to form the deep basins of the future lakes.

Accepted Answer

A) True 
 B)False

Question 15

Which is the general term for all glacial deposits?

Accepted Answer

A) Alluvium. 
B) Erg. 
C) Glacial drift. 
D) Talus. 
A) Alluvium. 
B) Erg. 
C) Glacial drift. 
D) Talus.

Question 16

Which is a deposit of till that forms behind a terminal moraine as the glacier retreats and is generally spread widely across the ground surface?

Accepted Answer

A) Outwash plain. 
B) Till plain. 
C) Drumlin swarm. 
D) Lateral moraine. 
A) Outwash plain. 
B) Till plain. 
C) Drumlin swarm. 
D) Lateral moraine.

Question 17

Which is sorted sediment deposited by glaciofluvial action?

Accepted Answer

A) Glacial erratics. 
B) Stratified drift. 
C) Till. 
D) Moraines. 
A) Glacial erratics. 
B) Stratified drift. 
C) Till. 
D) Moraines.

Question 18

Periglacial environments are likely to occur in which of the following climate types?

Accepted Answer

A) Tundra. 
B) Mesothermal. 
C) Humid continental. 
D) Desert. 
A) Tundra. 
B) Mesothermal. 
C) Humid continental. 
D) Desert.

Question 19

Which of the following is categorized as an alpine glacier?

Accepted Answer

A) An ice cap. 
B) An ice sheet. 
C) A cirque glacier. 
D) An ice shelf. 
A) An ice cap. 
B) An ice sheet. 
C) A cirque glacier. 
D) An ice shelf.

Question 20

Consider snow pack and glaciers.Which of the following is true?

Accepted Answer

A) Many parts of eastern North America heavily rely on snowmelt for municipal water supplies. 
B) Seasonal snowpacks increase Earth's albedo. 
C) The cryosphere compromises only a small,but very important component of Earth's freshwater resources. 
D) Increases in snow cover may create a positive feedback loop as decreased albedo can lead to more warming. 
A) Many parts of eastern North America heavily rely on snowmelt for municipal water supplies. 
B) Seasonal snowpacks increase Earth's albedo. 
C) The cryosphere compromises only a small,but very important component of Earth's freshwater resources. 
D) Increases in snow cover may create a positive feedback loop as decreased albedo can lead to more warming.

Approximately,81% of Greenland and 90% of Antarctica are covered with ice sheets.

Which is a long,narrow glacially-eroded inlet in which the sea extends inland?

In terms of areal extent,which of the following sequences is ordered from largest to smallest extent covered?

The presence of meltwater at the bottom of a glacier can increase its rate of movement.

During the Pleistocene,there were as many as 18 glacial advances and retreats.

To which does a snowline refer?

Permafrost describes those portions of the ocean that are constantly covered by floating ice.

Crevasses in alpine glaciers result from friction,tension,or compression.

Approximately,what percentage of Earth's freshwater is frozen?

Which is partially compacted snow that is an intermediate between snow and ice?

A glacier is an open system with inputs of snow and outputs of ice,meltwater,and water vapour.

Permafrost requires soil,sediment,or rock temperatures to remain below freezing for at least 2 years.

Which determines the mass balance of a glacier?

The Great Lakes of North America resulted from repeated glacial advances and retreats which enlarged and deepened stream valleys to form the deep basins of the future lakes.

Which is the general term for all glacial deposits?

Which is a deposit of till that forms behind a terminal moraine as the glacier retreats and is generally spread widely across the ground surface?

Which is sorted sediment deposited by glaciofluvial action?

Periglacial environments are likely to occur in which of the following climate types?

Which of the following is categorized as an alpine glacier?

Consider snow pack and glaciers.Which of the following is true?

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

Exam 17: Glacial and Periglacial Landscapes

Approximately,81% of Greenland and 90% of Antarctica are covered with ice sheets.

Which is a long,narrow glacially-eroded inlet in which the sea extends inland?

In terms of areal extent,which of the following sequences is ordered from largest to smallest extent covered?

The presence of meltwater at the bottom of a glacier can increase its rate of movement.

During the Pleistocene,there were as many as 18 glacial advances and retreats.

To which does a snowline refer?

Permafrost describes those portions of the ocean that are constantly covered by floating ice.

Crevasses in alpine glaciers result from friction,tension,or compression.

Approximately,what percentage of Earth's freshwater is frozen?

Which is partially compacted snow that is an intermediate between snow and ice?

A glacier is an open system with inputs of snow and outputs of ice,meltwater,and water vapour.

Permafrost requires soil,sediment,or rock temperatures to remain below freezing for at least 2 years.

Which determines the mass balance of a glacier?

The Great Lakes of North America resulted from repeated glacial advances and retreats which enlarged and deepened stream valleys to form the deep basins of the future lakes.

Which is the general term for all glacial deposits?

Which is a deposit of till that forms behind a terminal moraine as the glacier retreats and is generally spread widely across the ground surface?

Which is sorted sediment deposited by glaciofluvial action?

Periglacial environments are likely to occur in which of the following climate types?

Which of the following is categorized as an alpine glacier?

Consider snow pack and glaciers.Which of the following is true?

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