Question 1

The 10°C isotherm for average July temperatures is used as the environmental criteria to define which area?

Accepted Answer

A) The Arctic region. 
B) The Antarctic convergence. 
C) The Antarctic region. 
D) Roughly the region of the 45th parallel. 
A) The Arctic region. 
B) The Antarctic convergence. 
C) The Antarctic region. 
D) Roughly the region of the 45th parallel.

Question 2

The albedo of the Greenland Ice Sheet has decreased over the past decade due to ice sheet darkening.

Accepted Answer

A) True 
 B)False

Question 3

Ice regelation incorporates rock debris into a glacier.

Accepted Answer

A) True 
 B)False

Question 4

Which is a glacier confined in a bowl-shaped recess in the rock?

Accepted Answer

A) Cirque glacier. 
B) Valley glacier. 
C) Piedmont glacier. 
D) Tidewater glacier. 
A) Cirque glacier. 
B) Valley glacier. 
C) Piedmont glacier. 
D) Tidewater glacier.

Question 5

The various processes that result in the loss of glacier mass are known collectively as which of the following?

Accepted Answer

A) Sublimation. 
B) Deflation. 
C) Surface melting. 
D) Ablation. 
A) Sublimation. 
B) Deflation. 
C) Surface melting. 
D) Ablation.

Question 6

To which does the term periglacial refer?

Accepted Answer

A) Areas that are on top of a glacier. 
B) Regions which 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. 
A) Areas that are on top of a glacier. 
B) Regions which 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.

Question 7

Materials transported directly by glaciers tend to be unsorted when deposited.However,those carried by meltwater are sorted.

Accepted Answer

A) True 
 B)False

Question 8

Which is the zone of seasonally frozen ground that exists between the subsurface permafrost layer and the ground surface?

Accepted Answer

A) Gelifluction. 
B) Discontinuous region. 
C) Active layer. 
D) Talik. 
A) Gelifluction. 
B) Discontinuous region. 
C) Active layer. 
D) Talik.

Question 9

How do glaciated valleys differ from stream cut valleys?

Accepted Answer

A) A glaciated valley is V- shaped; a stream cut valley is U- shaped. 
B) A glaciated valley is U- shaped; a stream cut valley is V- shaped. 
C) A glaciated valley is U- shaped; a stream cut valley is U- shaped. 
D) A glaciated valley is V- shaped; a stream cut valley is V- shaped. 
A) A glaciated valley is V- shaped; a stream cut valley is U- shaped. 
B) A glaciated valley is U- shaped; a stream cut valley is V- shaped. 
C) A glaciated valley is U- shaped; a stream cut valley is U- shaped. 
D) A glaciated valley is V- shaped; a stream cut valley is V- shaped.

Question 10

The lengthy ridges of till along each side of an alpine glacier are which moraines?

Accepted Answer

A) Ground. 
B) Terminal. 
C) Medial. 
D) Lateral. 
A) Ground. 
B) Terminal. 
C) Medial. 
D) Lateral.

Question 11

Combined,alpine glaciers and ice sheets cover about 10% of Earth's land surface.

Accepted Answer

A) True 
 B)False

Question 12

Which is a small hill,knob,or mound of sorted glaciofluvial sand and gravel that forms on the surface of a glacier and is later left on the surface after the glacier retreats?

Accepted Answer

A) Drumlin. 
B) Kame. 
C) Esker. 
D) Kettle. 
A) Drumlin. 
B) Kame. 
C) Esker. 
D) Kettle.

Question 13

Considering cold climate landscapes,which of the following statements is correct?

Accepted Answer

A) Periglacial regions occupy about 50% of 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 10°C for at least two years. 
A) Periglacial regions occupy about 50% of 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 10°C for at least two years.

Question 14

Which of the following is generally correct regarding the basal layer of a glacier?

Accepted Answer

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

Question 15

Discuss the process of glacial erosion.

Accepted Answer

A flowing glacier mechanically picks up

Question 16

The Matterhorn in the Swiss Alps is an example of a nunatak.

Accepted Answer

A) True 
 B)False

Question 17

Approximately 80% of Alaska has permafrost beneath its surface.

Accepted Answer

A) True 
 B)False

Question 18

An ice cap is the most extensive form of continental glacier.

Accepted Answer

A) True 
 B)False

Question 19

Which is the area of sediment deposited by glaciofluvial action beyond the glacial terminus?

Accepted Answer

A) Till plain. 
B) Terminal moraine. 
C) Outwash plain. 
D) End moraine. 
A) Till plain. 
B) Terminal moraine. 
C) Outwash plain. 
D) End moraine.

Question 20

The Arctic region is defined based on the July 10°C isotherm whereas the Antarctic region is defined based on the February 10°C isotherm.

Accepted Answer

A) True 
 B)False

The 10°C isotherm for average July temperatures is used as the environmental criteria to define which area?

The albedo of the Greenland Ice Sheet has decreased over the past decade due to ice sheet darkening.

Ice regelation incorporates rock debris into a glacier.

Which is a glacier confined in a bowl-shaped recess in the rock?

The various processes that result in the loss of glacier mass are known collectively as which of the following?

To which does the term periglacial refer?

Materials transported directly by glaciers tend to be unsorted when deposited.However,those carried by meltwater are sorted.

Which is the zone of seasonally frozen ground that exists between the subsurface permafrost layer and the ground surface?

How do glaciated valleys differ from stream cut valleys?

The lengthy ridges of till along each side of an alpine glacier are which moraines?

Combined,alpine glaciers and ice sheets cover about 10% of Earth's land surface.

Which is a small hill,knob,or mound of sorted glaciofluvial sand and gravel that forms on the surface of a glacier and is later left on the surface after the glacier retreats?

Considering cold climate landscapes,which of the following statements is correct?

Which of the following is generally correct regarding the basal layer of a glacier?

Discuss the process of glacial erosion.

The Matterhorn in the Swiss Alps is an example of a nunatak.

Approximately 80% of Alaska has permafrost beneath its surface.

An ice cap is the most extensive form of continental glacier.

Which is the area of sediment deposited by glaciofluvial action beyond the glacial terminus?

The Arctic region is defined based on the July 10°C isotherm whereas the Antarctic region is defined based on the February 10°C isotherm.

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

The 10°C isotherm for average July temperatures is used as the environmental criteria to define which area?

The albedo of the Greenland Ice Sheet has decreased over the past decade due to ice sheet darkening.

Ice regelation incorporates rock debris into a glacier.

Which is a glacier confined in a bowl-shaped recess in the rock?

The various processes that result in the loss of glacier mass are known collectively as which of the following?

To which does the term periglacial refer?

Materials transported directly by glaciers tend to be unsorted when deposited.However,those carried by meltwater are sorted.

Which is the zone of seasonally frozen ground that exists between the subsurface permafrost layer and the ground surface?

How do glaciated valleys differ from stream cut valleys?

The lengthy ridges of till along each side of an alpine glacier are which moraines?

Combined,alpine glaciers and ice sheets cover about 10% of Earth's land surface.

Which is a small hill,knob,or mound of sorted glaciofluvial sand and gravel that forms on the surface of a glacier and is later left on the surface after the glacier retreats?

Considering cold climate landscapes,which of the following statements is correct?

Which of the following is generally correct regarding the basal layer of a glacier?

Discuss the process of glacial erosion.

The Matterhorn in the Swiss Alps is an example of a nunatak.

Approximately 80% of Alaska has permafrost beneath its surface.

An ice cap is the most extensive form of continental glacier.

Which is the area of sediment deposited by glaciofluvial action beyond the glacial terminus?

The Arctic region is defined based on the July 10°C isotherm whereas the Antarctic region is defined based on the February 10°C isotherm.

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