Exam 18: The Topography of Arid Lands

Dunes are rarely associated with vegetation.

Explain the "special" processes that make desert landforms differ from humid landforms.

A salina is the same thing as a wash.

The world's longest expanse of coastal dunes is located in ________.

"Exotic" is a term closely associated with ________.

Drainage networks of arid lands are frequently incomplete or underdeveloped.

The main dune form in most deserts is crescent shaped and is migrating across a non-sand surface; it is called a(n) ________.

A(n) ________ might be formed when a narrow "fin" of rock collapses in mesa-and-scarp topography.

The Panamint and Armagosa Ranges are the mountains surrounding Death Valley.

Approximately 5 percent of all desert streams are ephemeral.

Which of the following landforms does not belong with the others?

If a salty playa lake evaporates, a ________ might be left behind.

The lowest point in an interior basin is a gibber.

Of the list of arid landscape features below, a boulder would most likely be found on (in) a(n) ________.

In the center of a desert basin what would one likely find?

Basin-and-range terrain consists of the ranges, the piedmont zone, and the basins.

Drainage channels on the basin floor in basin-and-range topography tend to be shallow and ill-defined.

Aeolian processes refer to those involving ________.

Desert pavement is another term for a(n) ________.

High salt concentrations give a striking whitish surface to ________.