Exam 14: Deserts and Wind

The tilted beds that are often visible in fossil dunes are ____.

Long, symmetrical dunes that form as a result of two different wind directions with comparable magnitude are called ____________________ dunes.

What is flash flooding?

Soils formed on loess areas are generally fertile.

Washes are dry for most of the year.

What is the Great Plains Aquifer called and what has happened to it?

The textbook mentions three different plateaus, describe each in detail.

Which of the following is a rain-shadow desert?

List the three sources from which water can reach a desert.

What kind of symmetry does a sand dune have?

What is the largest desert on the planet and which region lies just south of it?

What is the thickness range in the United States for loess?

What is a playa lake and a playa?

Most dunes are symmetrical.

The steep, leeward side of a dune is called the ____________________.

What is a plateau?

What kind of features do loess form?

The silt that comprises the loess deposits of North America's central plains was ____.

A streambed that is dry most of the year is called a ____.

Deserts never occur along coastlines.