Question 1

The zone where accumulation balances ablation is known as the

Accepted Answer

A) equilibrium line. 
B) medial moraine. 
C) snowline. 
D) crevasses. 
E) cirque. 
A) equilibrium line. 
B) medial moraine. 
C) snowline. 
D) crevasses. 
E) cirque.

Question 2

The increase in melt ponds across polar regions absorb more insolation and become warmer.This leads to more melting,which creates more melt ponds.This is an example of ____.

Accepted Answer

A) negative feedback 
B) steady state equilibrium 
C) positive feedback 
D) dynamic equilibrium 
E) homeostasis 
A) negative feedback 
B) steady state equilibrium 
C) positive feedback 
D) dynamic equilibrium 
E) homeostasis

Question 3

The term "pluvial" refers to

Accepted Answer

A) any extended period of wet conditions. 
B) interglacial periods. 
C) any glaciofluvial process. 
D) regions of drought during the Pleistocene glaciation. 
E) large lakes,such as the Great Lakes,carved by the Pleistocene glaciation. 
A) any extended period of wet conditions. 
B) interglacial periods. 
C) any glaciofluvial process. 
D) regions of drought during the Pleistocene glaciation. 
E) large lakes,such as the Great Lakes,carved by the Pleistocene glaciation.

Question 4

Crevasses usually form as a result of

Accepted Answer

A) friction only. 
B) tension only. 
C) compression only. 
D) both friction and tension. 
E) friction,tension,and compression. 
A) friction only. 
B) tension only. 
C) compression only. 
D) both friction and tension. 
E) friction,tension,and compression.

Question 5

The various processes that result in the loss of a glacier's mass are known collectively as

Accepted Answer

A) sublimation. 
B) deflation. 
C) surface melting. 
D) ablation. 
E) accumulation. 
A) sublimation. 
B) deflation. 
C) surface melting. 
D) ablation. 
E) accumulation.

Question 6

A snowline refers to

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. 
E) the elevation at which snow accumulation ceases,marking the uppermost point of a glacier. 
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. 
E) the elevation at which snow accumulation ceases,marking the uppermost point of a glacier.

Question 7

All of the following are related to glacial erosion except

Accepted Answer

A) V-shaped valleys. 
B) abrasion. 
C) plucking. 
D) erratics. 
E) striations. 
A) V-shaped valleys. 
B) abrasion. 
C) plucking. 
D) erratics. 
E) striations.

Question 8

Describe the importance of periglacial processes.

Accepted Answer

Periglacial regions occupy over 20% of t

Question 9

A(n)____is a crevasse that separates flowing ice from stagnant ice in the upper reaches of a glacier or in a cirque.

Accepted Answer

A) col 
B) horn 
C) hanging valley 
D) arête 
E) bergschrund 
A) col 
B) horn 
C) hanging valley 
D) arête 
E) bergschrund

Question 10

Elongated hills,often in the shape of an inverted spoon,streamlined in the direction of glacial movement are called

Accepted Answer

A) eskers. 
B) kettles. 
C) drumlins. 
D) horns. 
E) kame. 
A) eskers. 
B) kettles. 
C) drumlins. 
D) horns. 
E) kame.

Question 11

The portion of Earth consisting of perennially frozen freshwater,saltwater,and ground is known as the

Accepted Answer

A) biosphere. 
B) atmosphere. 
C) lithosphere. 
D) hydrosphere. 
E) cryosphere. 
A) biosphere. 
B) atmosphere. 
C) lithosphere. 
D) hydrosphere. 
E) cryosphere.

Question 12

The term "periglacial" refers to

Accepted Answer

A) areas that are on top of a glacier. 
B) regions that are too warm for ground ice. 
C) cold climate processes along the margins of glaciers. 
D) process and effects that existed during the last ice age. 
E) regions which experience winter freezing and summer melt. 
A) areas that are on top of a glacier. 
B) regions that are too warm for ground ice. 
C) cold climate processes along the margins of glaciers. 
D) process and effects that existed during the last ice age. 
E) regions which experience winter freezing and summer melt.

Question 13

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

Accepted Answer

A) tundra 
B) mesothermal 
C) humid continental 
D) desert 
E) microthermal 
A) tundra 
B) mesothermal 
C) humid continental 
D) desert 
E) microthermal

Question 14

In the Patagonia region of Argentina and Chile,a glacier extends for 360 km (224 mi. ),but is only 90 km (56 mi. )wide.This type of elongated glacier is known as an

Accepted Answer

A) ice sheet. 
B) ice cap. 
C) ice field. 
D) alpine glacier. 
E) iceberg. 
A) ice sheet. 
B) ice cap. 
C) ice field. 
D) alpine glacier. 
E) iceberg.

Question 15

The transformation of snow into glacial ice in Antarctica takes ___ than (as)in midlatitude alpine glaciers because ____.

Accepted Answer

A) less time;more snow fall in the polar regions each year speeds the glacier formation process 
B) less time;there is more melting and refreezing in the midlatitudes and,therefore,it takes much longer there 
C) longer;the long summer days in Antarctica (up to 24-hours)results in more sunlight impeding the glacier development process 
D) longer;the dryness of the Antarctic climate and minimal snowfall as compared to wetter climates with constant snowfall 
E) approximately the same time;the processes and conditions for formation are the same in both regions 
A) less time;more snow fall in the polar regions each year speeds the glacier formation process 
B) less time;there is more melting and refreezing in the midlatitudes and,therefore,it takes much longer there 
C) longer;the long summer days in Antarctica (up to 24-hours)results in more sunlight impeding the glacier development process 
D) longer;the dryness of the Antarctic climate and minimal snowfall as compared to wetter climates with constant snowfall 
E) approximately the same time;the processes and conditions for formation are the same in both regions

Question 16

Which of the following is correct regarding permafrost?

Accepted Answer

A) It develops where soil or rock temperatures are below freezing for at least two years. 
B) It primarily occurs in areas covered with glaciers. 
C) The surface layer of permafrost never thaws,even in the warm season. 
D) It tends to occur at lower elevations in the midlatitudes than in the high latitudes. 
E) The greatest areas of permafrost are found in the Southern Hemisphere. 
A) It develops where soil or rock temperatures are below freezing for at least two years. 
B) It primarily occurs in areas covered with glaciers. 
C) The surface layer of permafrost never thaws,even in the warm season. 
D) It tends to occur at lower elevations in the midlatitudes than in the high latitudes. 
E) The greatest areas of permafrost are found in the Southern Hemisphere.

Question 17

Which of the following is not an adaptation to living in periglacial regions?

Accepted Answer

A) buildings placed directly on frozen,hard surfaces 
B) enclosed water and sewage lines 
C) raised oil pipelines above the frozen ground 
D) careful maintenance of rail tracks and roadbeds in the summer 
E) structures built above the ground 
A) buildings placed directly on frozen,hard surfaces 
B) enclosed water and sewage lines 
C) raised oil pipelines above the frozen ground 
D) careful maintenance of rail tracks and roadbeds in the summer 
E) structures built above the ground

Question 18

Which of the following is not a product of the Pleistocene glaciation?

Accepted Answer

A) Sub-Saharan Till Plains 
B) the drumlins and eskers of New England 
C) the Great Lakes 
D) polished bedrock of Canada's Atlantic Provinces 
E) fjords of New Zealand 
A) Sub-Saharan Till Plains 
B) the drumlins and eskers of New England 
C) the Great Lakes 
D) polished bedrock of Canada's Atlantic Provinces 
E) fjords of New Zealand

Question 19

Which of the following statements is incorrect?

Accepted Answer

A) Periglacial regions occupy about 20% of the Earth's land surface. 
B) Periglacial environments occur at high latitudes and high elevations. 
C) There are no permafrost regions in Alaska due to its maritime subarctic climate. 
D) Permafrost develops in areas where soil,sediment,or rock temperatures remain below 0°C (32°F)for at least two years. 
E) Periglacial environments are found of the periphery of glaciated areas. 
A) Periglacial regions occupy about 20% of the Earth's land surface. 
B) Periglacial environments occur at high latitudes and high elevations. 
C) There are no permafrost regions in Alaska due to its maritime subarctic climate. 
D) Permafrost develops in areas where soil,sediment,or rock temperatures remain below 0°C (32°F)for at least two years. 
E) Periglacial environments are found of the periphery of glaciated areas.

Question 20

a steep-sided glaciofluvial landform that occur as the result of blocks of ice calving from the retreating glacier and subsequent accumulation of till around the melting ice block is known as a(n)

Accepted Answer

A) drumlin. 
B) kame. 
C) esker. 
D) kettle. 
E) horn. 
A) drumlin. 
B) kame. 
C) esker. 
D) kettle. 
E) horn.

The zone where accumulation balances ablation is known as the

The increase in melt ponds across polar regions absorb more insolation and become warmer.This leads to more melting,which creates more melt ponds.This is an example of ____.

The term "pluvial" refers to

Crevasses usually form as a result of

The various processes that result in the loss of a glacier's mass are known collectively as

A snowline refers to

All of the following are related to glacial erosion except

Describe the importance of periglacial processes.

A(n)____is a crevasse that separates flowing ice from stagnant ice in the upper reaches of a glacier or in a cirque.

Elongated hills,often in the shape of an inverted spoon,streamlined in the direction of glacial movement are called

The portion of Earth consisting of perennially frozen freshwater,saltwater,and ground is known as the

The term "periglacial" refers to

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

In the Patagonia region of Argentina and Chile,a glacier extends for 360 km (224 mi. ),but is only 90 km (56 mi. )wide.This type of elongated glacier is known as an

The transformation of snow into glacial ice in Antarctica takes _ than (as)in midlatitude alpine glaciers because __.

Which of the following is correct regarding permafrost?

Which of the following is not an adaptation to living in periglacial regions?

Which of the following is not a product of the Pleistocene glaciation?

Which of the following statements is incorrect?

a steep-sided glaciofluvial landform that occur as the result of blocks of ice calving from the retreating glacier and subsequent accumulation of till around the melting ice block is known as a(n)

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Exam 17: Glacial Landscapes and the Cryosphere

The zone where accumulation balances ablation is known as the

The increase in melt ponds across polar regions absorb more insolation and become warmer.This leads to more melting,which creates more melt ponds.This is an example of ____.

The term "pluvial" refers to

Crevasses usually form as a result of

The various processes that result in the loss of a glacier's mass are known collectively as

A snowline refers to

All of the following are related to glacial erosion except

Describe the importance of periglacial processes.

A(n)____is a crevasse that separates flowing ice from stagnant ice in the upper reaches of a glacier or in a cirque.

Elongated hills,often in the shape of an inverted spoon,streamlined in the direction of glacial movement are called

The portion of Earth consisting of perennially frozen freshwater,saltwater,and ground is known as the

The term "periglacial" refers to

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

In the Patagonia region of Argentina and Chile,a glacier extends for 360 km (224 mi. ),but is only 90 km (56 mi. )wide.This type of elongated glacier is known as an

The transformation of snow into glacial ice in Antarctica takes ___ than (as)in midlatitude alpine glaciers because ____.

Which of the following is correct regarding permafrost?

Which of the following is not an adaptation to living in periglacial regions?

Which of the following is not a product of the Pleistocene glaciation?

Which of the following statements is incorrect?

a steep-sided glaciofluvial landform that occur as the result of blocks of ice calving from the retreating glacier and subsequent accumulation of till around the melting ice block is known as a(n)

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

River Systems

Aeolian Processes and Arid Landscapes

Oceans and Coastal Systems

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

The transformation of snow into glacial ice in Antarctica takes _ than (as)in midlatitude alpine glaciers because __.