Mass Movements, Glaciers, Wind

Front

What is deflation in the context of mass movements?

Back

Deflation is the process by which wind removes loose, fine-grained particles from the ground, leading to the formation of desert pavement.

Front

What is a U-shaped valley and how is it formed?

Back

A U-shaped valley is a valley with a characteristic U shape, formed by the erosion of a glacier that scrapes the bedrock.

Front

What property is used to classify sand dunes?

Back

Sand dunes are classified primarily by their shape, which can vary based on wind direction and strength.

Front

What role does wind play in shaping the landscape?

Back

Wind can erode, transport, and deposit materials, leading to the formation of features like sand dunes and desert pavements.

Front

What does a decrease in Arctic Sea Ice indicate about Earth's climate?

Back

A decrease in Arctic Sea Ice suggests that Earth's climate is warming.

Front

What is abrasion in the context of wind erosion?

Back

Abrasion is the process where wind-blown particles wear away surfaces, contributing to landscape changes.

Front

What is the difference between a U-shaped valley and a V-shaped valley?

Back

A U-shaped valley is formed by glacial erosion, while a V-shaped valley is typically formed by river erosion.

Front

What is saltation in the context of wind transport?

Back

Saltation is the process where particles are lifted and then dropped by the wind, causing them to bounce along the ground.

Front

How do glaciers contribute to the landscape?

Back

Glaciers erode land, transport sediments, and deposit materials, shaping valleys and landforms.

Front

What is the significance of studying desert pavements?

Back

Studying desert pavements helps understand wind erosion processes and desert ecosystem dynamics.