Question 1

The term "eolian" refers to

Accepted Answer

A) stream-related processes. 
B) glacial processes in areas outside the polar regions. 
C) erosion,transportation,and deposition by the wind. 
D) weathering and mass movement in humid regions. 
E) coastal erosion and deposition. 
A) stream-related processes. 
B) glacial processes in areas outside the polar regions. 
C) erosion,transportation,and deposition by the wind. 
D) weathering and mass movement in humid regions. 
E) coastal erosion and deposition. C

Question 2

The ability of the wind to move materials

Accepted Answer

A) exceeds that of other transporting agents,such as water and ice. 
B) is small compared to other transporting agents,such as water and ice. 
C) is greater than that of water because of the higher density of air compared to water. 
D) increases with decreased wind speed. 
E) is equal to other transporting agents,such as water and ice. 
A) exceeds that of other transporting agents,such as water and ice. 
B) is small compared to other transporting agents,such as water and ice. 
C) is greater than that of water because of the higher density of air compared to water. 
D) increases with decreased wind speed. 
E) is equal to other transporting agents,such as water and ice. B

Question 3

A depression created by deflation is known as a

Accepted Answer

A) playa. 
B) bolson. 
C) blowout. 
D) structural basin. 
E) haboob. 
A) playa. 
B) bolson. 
C) blowout. 
D) structural basin. 
E) haboob. C

Question 4

The term used to describe rocks that are pitted,fluted,or polished from eolian erosion is

Accepted Answer

A) desert pavement. 
B) pumice. 
C) ventifacts. 
D) deflation hollows. 
E) dunes. 
A) desert pavement. 
B) pumice. 
C) ventifacts. 
D) deflation hollows. 
E) dunes.

Question 5

In vegetated dune landscapes,____dunes form with their tips pointing upwind.

Accepted Answer

A) Linear 
B) Barchan 
C) Longitudinal 
D) Transverse 
E) Parabolic 
A) Linear 
B) Barchan 
C) Longitudinal 
D) Transverse 
E) Parabolic

Question 6

Ephemeral channels that form in dryland climates in response to infrequent precipitation events are known as

Accepted Answer

A) arroyos. 
B) hollows. 
C) yardangs. 
D) ventifacts. 
E) alluvial fans. 
A) arroyos. 
B) hollows. 
C) yardangs. 
D) ventifacts. 
E) alluvial fans.

Question 7

The grinding and shaping of rock surfaces by the "sand blasting" action of particles captured in the air is termed

Accepted Answer

A) deflation. 
B) abrasion. 
C) saltation. 
D) deposition. 
E) traction. 
A) deflation. 
B) abrasion. 
C) saltation. 
D) deposition. 
E) traction.

Question 8

The vast loess deposits in China are thought to be derived mainly from

Accepted Answer

A) alluvium,i.e.stream deposited materials. 
B) ocean sediments. 
C) windblown desert sediments. 
D) glacial and periglacial sources. 
E) deeply entrenched river channels. 
A) alluvium,i.e.stream deposited materials. 
B) ocean sediments. 
C) windblown desert sediments. 
D) glacial and periglacial sources. 
E) deeply entrenched river channels.

Question 9

What are the two competing hypotheses describing the formation of desert pavement?

Accepted Answer

The deflation hypothesis states that win

Question 10

What is desertification? What causes it? What areas are at risk of desertification?

Accepted Answer

Desertification is a form of land degrad

Question 11

The removal and lifting of individual loose particles by the wind is termed

Accepted Answer

A) deflation. 
B) abrasion. 
C) saltation. 
D) deposition. 
E) traction. 
A) deflation. 
B) abrasion. 
C) saltation. 
D) deposition. 
E) traction.

Question 12

Factors that influence dry climates include all the following except

Accepted Answer

A) seasonal influence of the ITCZ. 
B) dry,subsiding air associated with subtropical high pressure systems. 
C) location in the rain shadow of mountains. 
D) cool,stabilizing ocean currents along the western margins of continents. 
E) location in continental interiors. 
A) seasonal influence of the ITCZ. 
B) dry,subsiding air associated with subtropical high pressure systems. 
C) location in the rain shadow of mountains. 
D) cool,stabilizing ocean currents along the western margins of continents. 
E) location in continental interiors.

Question 13

_____dunes form with their tips pointing downwind,usually in areas with limited sand supply and little to no vegetation.

Accepted Answer

A) Linear 
B) Barchan 
C) Longitudinal 
D) Transverse 
E) Parabolic 
A) Linear 
B) Barchan 
C) Longitudinal 
D) Transverse 
E) Parabolic

Question 14

The deflation hypothesis of desert pavement formation states

Accepted Answer

A) wind removes fine particles leaving large pebbles,gravels,and rocks,which become consolidated. 
B) wind delivers fine particles that settle and wash downward as cycles of swelling and shrinking cause gravels to migrate upward. 
C) water removes fine particles leaving large pebbles,gravels,and rocks,which become consolidated. 
D) water delivers fine particles that settle and wash downward as cycles of swelling and shrinking cause gravels to migrate upward. 
E) both wind and water deliver fine particles that settle and wash downward as cycles of swelling and shrinking cause gravels to migrate upward. 
A) wind removes fine particles leaving large pebbles,gravels,and rocks,which become consolidated. 
B) wind delivers fine particles that settle and wash downward as cycles of swelling and shrinking cause gravels to migrate upward. 
C) water removes fine particles leaving large pebbles,gravels,and rocks,which become consolidated. 
D) water delivers fine particles that settle and wash downward as cycles of swelling and shrinking cause gravels to migrate upward. 
E) both wind and water deliver fine particles that settle and wash downward as cycles of swelling and shrinking cause gravels to migrate upward.

Question 15

The coarsest materials,such as gravel,of an alluvial fan are found

Accepted Answer

A) near the mouth of the canyon. 
B) at the edge of the fan. 
C) throughout the whole fan. 
D) within a playa. 
E) at the base of the fan. 
A) near the mouth of the canyon. 
B) at the edge of the fan. 
C) throughout the whole fan. 
D) within a playa. 
E) at the base of the fan.

Question 16

The smallest features shaped by individual saltating grains are

Accepted Answer

A) ripples. 
B) dunes. 
C) sand seas. 
D) reg deserts. 
E) ventifacts. 
A) ripples. 
B) dunes. 
C) sand seas. 
D) reg deserts. 
E) ventifacts.

Question 17

______dunes form parallel to the prevailing wind,often extending for hundreds of kilometers in length.

Accepted Answer

A) Linear 
B) Barchan 
C) Longitudinal 
D) Transverse 
E) Star 
A) Linear 
B) Barchan 
C) Longitudinal 
D) Transverse 
E) Star

Question 18

The transport of small sand particles (0.07 to 0.20 mm)along the ground in a bouncing and skipping action is known as

Accepted Answer

A) deflation. 
B) abrasion. 
C) saltation. 
D) surface creep. 
E) traction. 
A) deflation. 
B) abrasion. 
C) saltation. 
D) surface creep. 
E) traction.

Question 19

Which side of a dune typically has a slope angle equal to that of the angle of repose for sand?

Accepted Answer

A) windward 
B) leeward 
C) stoss 
D) top 
E) bottom 
A) windward 
B) leeward 
C) stoss 
D) top 
E) bottom

Question 20

Areas at risk of desertification

Which of the following areas is at highest (very high)risk of desertification?

Accepted Answer

A) the U.S.Great Plains 
B) the Sahel 
C) central Canada 
D) eastern China 
E) central Australia 
A) the U.S.Great Plains 
B) the Sahel 
C) central Canada 
D) eastern China 
E) central Australia

The term "eolian" refers to

The ability of the wind to move materials

A depression created by deflation is known as a

The term used to describe rocks that are pitted,fluted,or polished from eolian erosion is

In vegetated dune landscapes,____dunes form with their tips pointing upwind.

Ephemeral channels that form in dryland climates in response to infrequent precipitation events are known as

The grinding and shaping of rock surfaces by the "sand blasting" action of particles captured in the air is termed

The vast loess deposits in China are thought to be derived mainly from

What are the two competing hypotheses describing the formation of desert pavement?

What is desertification? What causes it? What areas are at risk of desertification?

The removal and lifting of individual loose particles by the wind is termed

Factors that influence dry climates include all the following except

_____dunes form with their tips pointing downwind,usually in areas with limited sand supply and little to no vegetation.

The deflation hypothesis of desert pavement formation states

The coarsest materials,such as gravel,of an alluvial fan are found

The smallest features shaped by individual saltating grains are

______dunes form parallel to the prevailing wind,often extending for hundreds of kilometers in length.

The transport of small sand particles (0.07 to 0.20 mm)along the ground in a bouncing and skipping action is known as

Which side of a dune typically has a slope angle equal to that of the angle of repose for sand?

Areas at risk of desertification Which of the following areas is at highest (very high)risk of desertification?

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

Oceans and Coastal Systems

Glacial Landscapes and the Cryosphere

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

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Exam 15: Aeolian Processes and Arid Landscapes

The term "eolian" refers to

The ability of the wind to move materials

A depression created by deflation is known as a

The term used to describe rocks that are pitted,fluted,or polished from eolian erosion is

In vegetated dune landscapes,____dunes form with their tips pointing upwind.

Ephemeral channels that form in dryland climates in response to infrequent precipitation events are known as

The grinding and shaping of rock surfaces by the "sand blasting" action of particles captured in the air is termed

The vast loess deposits in China are thought to be derived mainly from

What are the two competing hypotheses describing the formation of desert pavement?

What is desertification? What causes it? What areas are at risk of desertification?

The removal and lifting of individual loose particles by the wind is termed

Factors that influence dry climates include all the following except

_____dunes form with their tips pointing downwind,usually in areas with limited sand supply and little to no vegetation.

The deflation hypothesis of desert pavement formation states

The coarsest materials,such as gravel,of an alluvial fan are found

The smallest features shaped by individual saltating grains are

______dunes form parallel to the prevailing wind,often extending for hundreds of kilometers in length.

The transport of small sand particles (0.07 to 0.20 mm)along the ground in a bouncing and skipping action is known as

Which side of a dune typically has a slope angle equal to that of the angle of repose for sand?

Areas at risk of desertification Which of the following areas is at highest (very high)risk of desertification?

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

Oceans and Coastal Systems

Glacial Landscapes and the Cryosphere

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters