Exam 18: Arid Landscapes and Eolian Processes

Ridges that are sculpted and streamlined by wind abrasion and deflation are called ventifacts.

A dried lakebed forming in arid regions is called a playa.

This type of dune forms rows from merged barchan dunes.

The descending air in a Subtropical High-Pressure System is a part of a ________ cell.

Sand dunes are not sensitive to climate change.

Loess deposits typically contain as much as 40% calcium.

What process created this landscape in the following image?

An individual rock that is pitted,grooved,or streamlined through wind abrasion is called a ventifact.

As many as 100,000 people died as a result of the drought conditions in the Sahel of Africa in 1973.

The maximum slope at which sand will not slump under the force of gravity is called the

_________ is an individual rock that is pitted,grooved,or streamlined through wind abrasion.

Wind erosion works through the process of deflation only.

Which of the following are types of of eolian transport?

Eolian processes are associated with the way wind erodes,transports,and deposits sediment.

Arid and semi-arid environments cover as much as 55% of the surface of the Earth.

The presence of the Inter-Tropical Convergence Zone is one of the main reasons dry regions develop around the world.

This type of dune is modified from barchan dunes and has a truncated crest and flattened lee slope.

A(n)__________ is a broad horizontal surface that is upheld by resistant caprock.

These are ridges that are sculpted and streamlined by abrasion and deflation.

In deserts,the vegetation cover is relatively