GOL 105 Ch. 16-18 Review Flashcardizz

Front

What is saltation in the context of sediment transport?

Back

Saltation is the transport of sediment along the ground during wind storms in a bouncing and skipping action.

Front

What type of desert is Antarctica classified as?

Back

Antarctica is classified as a polar desert.

Front

What does obliquity refer to in Earth's orbital characteristics?

Back

Obliquity refers to the tilt of Earth's orbit changing from 22.5 to 24.5 degrees.

Front

What is precession in relation to Earth's movement?

Back

Precession is the wobble of Earth on its axis changing positions.

Front

Why do glaciers appear dirty?

Back

Glaciers appear dirty because they pick up rocks and sediments as they flow, rocky debris accumulates on their surface, and fine sediments can be blown onto them by wind.

Front

Define deflation in geomorphology.

Back

Deflation is the process by which wind removes loose, fine-grained particles from the ground, leading to a lowering of the land surface.

Front

What is abrasion in the context of wind erosion?

Back

Abrasion is the process of wearing down surfaces by the grinding action of wind-driven particles.

Front

Explain the concept of a continental interior desert.

Back

A continental interior desert is a type of desert that is located far from the influence of oceans, resulting in low precipitation.

Front

What characterizes a subtropical desert?

Back

A subtropical desert is characterized by high temperatures and low rainfall, typically found around 30 degrees latitude.

Front

What is a rain-shadow desert?

Back

A rain-shadow desert is formed on the leeward side of a mountain range, where moist air rises, cools, and loses moisture, leaving dry conditions on the other side.