A) are a type of longitudinal dune B) have slip faces oriented parallel to the average wind direction C) have arms that point downwind D) are typically stabilized by vegetation E) are composed of gravel A) are a type of longitudinal dune B) have slip faces oriented parallel to the average wind direction C) have arms that point downwind D) are typically stabilized by vegetation E) are composed of gravel

A) ancient Pleistocene shorelines representing a past, more humid climate B) eolian depositional landforms C) flat because of resistant caprocks D) dry stream channels that occasionally see flowing water E) flat because of the movement of water and sediment by wind A) ancient Pleistocene shorelines representing a past, more humid climate B) eolian depositional landforms C) flat because of resistant caprocks D) dry stream channels that occasionally see flowing water E) flat because of the movement of water and sediment by wind

Exam 18: Arid Region and Eolian Landforms

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Wind-blown dust-sized particles of silt and clay can settle out to form thick blankets of sediment called _____ that may cover or bury the existing topography over widespread areas.

(Multiple Choice)

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Question 41

Most desert streams are ephemeral.

(True/False)

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Question 42

Areas of rugged, barren terrain dissected by a dense maze of steep gullies and ravines are called _____.

(Multiple Choice)

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Question 43

A(n)____________________ stream originates in a humid region but flows across a desert region with enough discharge to reach the sea.

(Essay)

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Question 44

Besides deserts, sand dunes are also commonly found in what environment?

(Multiple Choice)

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Question 45

A(n)_______________ dune is a crescent-shaped dune with arms that are stabilized by vegetation and point unwind.

(Essay)

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Question 46

Large sand grains too heavy to be lifted into the air are pushed forward along the ground surface by the impact of bouncing grains in a process called _____.

(Multiple Choice)

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Question 47

A(n)_______________ is a wind-sculpted, aerodynamically shaped remnant ridge left behind after the surrounding material has been eroded by abrasion.

(Essay)

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Question 48

A typical alluvial fan _____.

(Multiple Choice)

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Question 49

In eolian _______________, particles already being transported by the wind strike rocks or sediment and break off or dislodge additional rock fragments.

(Essay)

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Question 50

In Nevada, playas are frequently found in _____.

(Multiple Choice)

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Question 51

Alluvial fans are generally composed of uniform clay and silt.

(True/False)

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Question 52

Through additional erosion of the caprock from all sides, a mesa can be reduced to a(n)_______________.

(Essay)

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Question 53

Desert landforms referred to as fans can be made by _____.

(Multiple Choice)

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Question 54

Stabilized sand dunes _____.

(Multiple Choice)

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Question 55

Barchans _____.

(Multiple Choice)

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Question 56

The steep downwind slope of a dune that lies at the angle of repose is known as the _______________. (two words)

(Essay)

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Question 57

Flash floods can be dangerous in the desert.

(True/False)

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Question 58

Playas that receive most of their water from surface runoff typically have a smooth clay surface, sometimes called a(n)_______________, that is hard when dried out by the desert sun but extremely gooey and slippery when wet. (two words)

(Essay)

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Question 59

Playas are _____.

(Multiple Choice)

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Question 60

Showing 41 - 60 of 60

Wind-blown dust-sized particles of silt and clay can settle out to form thick blankets of sediment called _____ that may cover or bury the existing topography over widespread areas.

Most desert streams are ephemeral.

Areas of rugged, barren terrain dissected by a dense maze of steep gullies and ravines are called _____.

A(n)____________________ stream originates in a humid region but flows across a desert region with enough discharge to reach the sea.

Besides deserts, sand dunes are also commonly found in what environment?

A(n)_______________ dune is a crescent-shaped dune with arms that are stabilized by vegetation and point unwind.

Large sand grains too heavy to be lifted into the air are pushed forward along the ground surface by the impact of bouncing grains in a process called _____.

A(n)_______________ is a wind-sculpted, aerodynamically shaped remnant ridge left behind after the surrounding material has been eroded by abrasion.

A typical alluvial fan _____.

In eolian _______________, particles already being transported by the wind strike rocks or sediment and break off or dislodge additional rock fragments.

In Nevada, playas are frequently found in _____.

Alluvial fans are generally composed of uniform clay and silt.

Through additional erosion of the caprock from all sides, a mesa can be reduced to a(n)_______________.

Desert landforms referred to as fans can be made by _____.

Stabilized sand dunes _____.

Barchans _____.

The steep downwind slope of a dune that lies at the angle of repose is known as the _______________. (two words)

Flash floods can be dangerous in the desert.

Playas that receive most of their water from surface runoff typically have a smooth clay surface, sometimes called a(n)_______________, that is hard when dried out by the desert sun but extremely gooey and slippery when wet. (two words)

Playas are _____.

Physical Geography: Earth Environments and Systems

Representations of Earth

Earth-Sun Relationships and Solar Energy

The Atmosphere, Temperature, and the Heat Budget

Atmospheric Pressure, Winds, and Circulation Patterns

Moisture, Condensation, and Precipitation

Air Masses and Weather Systems

Global Climates and Climate Change

Low-Latitude and Arid Climate Regions

Middle-Latitude, Polar, and Highland Climatic Regions

Biogeography

Soils and Soil Development

Earth Materials and Plate Tectonics

Tectonism and Volcanism

Weathering and Mass Wasting

Subsurface Water and Karst

Fluvial Processes and Landforms

Glacial Systems and Landforms

Coastal Processes and Landforms

Filters

Exam 18: Arid Region and Eolian Landforms

Wind-blown dust-sized particles of silt and clay can settle out to form thick blankets of sediment called _____ that may cover or bury the existing topography over widespread areas. ​

Most desert streams are ephemeral. ​

Areas of rugged, barren terrain dissected by a dense maze of steep gullies and ravines are called _____.

A(n)____________________ stream originates in a humid region but flows across a desert region with enough discharge to reach the sea. ​

Besides deserts, sand dunes are also commonly found in what environment? ​

A(n)_______________ dune is a crescent-shaped dune with arms that are stabilized by vegetation and point unwind.

Large sand grains too heavy to be lifted into the air are pushed forward along the ground surface by the impact of bouncing grains in a process called _____. ​

A(n)_______________ is a wind-sculpted, aerodynamically shaped remnant ridge left behind after the surrounding material has been eroded by abrasion. ​

A typical alluvial fan _____. ​

In eolian _______________, particles already being transported by the wind strike rocks or sediment and break off or dislodge additional rock fragments. ​

In Nevada, playas are frequently found in _____. ​

Alluvial fans are generally composed of uniform clay and silt. ​

Through additional erosion of the caprock from all sides, a mesa can be reduced to a(n)_______________.

Desert landforms referred to as fans can be made by _____. ​

Stabilized sand dunes _____. ​

Barchans _____. ​

The steep downwind slope of a dune that lies at the angle of repose is known as the _______________. (two words)

Flash floods can be dangerous in the desert.

Playas that receive most of their water from surface runoff typically have a smooth clay surface, sometimes called a(n)_______________, that is hard when dried out by the desert sun but extremely gooey and slippery when wet. (two words)

Playas are _____. ​

Physical Geography: Earth Environments and Systems

Representations of Earth

Earth-Sun Relationships and Solar Energy

The Atmosphere, Temperature, and the Heat Budget

Atmospheric Pressure, Winds, and Circulation Patterns

Moisture, Condensation, and Precipitation

Air Masses and Weather Systems

Global Climates and Climate Change

Low-Latitude and Arid Climate Regions

Middle-Latitude, Polar, and Highland Climatic Regions

Biogeography

Soils and Soil Development

Earth Materials and Plate Tectonics

Tectonism and Volcanism

Weathering and Mass Wasting

Subsurface Water and Karst

Fluvial Processes and Landforms

Glacial Systems and Landforms

Coastal Processes and Landforms

Filters

Wind-blown dust-sized particles of silt and clay can settle out to form thick blankets of sediment called _____ that may cover or bury the existing topography over widespread areas.

Most desert streams are ephemeral.

A(n)____________________ stream originates in a humid region but flows across a desert region with enough discharge to reach the sea.

Besides deserts, sand dunes are also commonly found in what environment?

Large sand grains too heavy to be lifted into the air are pushed forward along the ground surface by the impact of bouncing grains in a process called _____.

A(n)_______________ is a wind-sculpted, aerodynamically shaped remnant ridge left behind after the surrounding material has been eroded by abrasion.

A typical alluvial fan _____.

In eolian _______________, particles already being transported by the wind strike rocks or sediment and break off or dislodge additional rock fragments.

In Nevada, playas are frequently found in _____.

Alluvial fans are generally composed of uniform clay and silt.

Desert landforms referred to as fans can be made by _____.

Stabilized sand dunes _____.

Barchans _____.

Playas are _____.