Exam 21: Dry Regions: the Geology of Deserts

Compared with humid climates,the rates of chemical weathering in deserts are ________.

How do chimneys (also called hoodoos)and yardangs differ?

The figure below illustrates the formation of a ________.

The Gobi in Mongolia is a desert primarily because it is located ________.

The most expansive hot deserts on Earth occur in the ________.

Iron-rich,well oxidized strata will be ________.

After extensive erosion of a hill in a desert environment,the small remnant surrounded by alluvium-filled basins is known as a(n)________.

The Sahara is a desert primarily because it is located ________.

The process of lowering the land surface by wind erosion is known as ________.

Most of the erosion in desert environments is caused by ________.

In the figure below,the sand grains are being transported by ________.

Calcrete (caliche)forms in a desert climate through the dissolution and the reprecipitation of ________ during and after rainstorms.

As shown in the figure below,wind erosion can create a faceted rock known as a ________.

At 30° north latitude,at the northern edge of tropical (Hadley)cell convection in the northern hemisphere,________.

Talus aprons represent accumulations of ________.

When fine-grained sediment is blown away as shown in the figure below,the coarser sediment left behind is known as ________.

Evaporite deposits in coastal,subtropical regions derived from the evaporation of seawater stranded above high tide are termed ________.

Conversion of productive land to desert is known as ________.

The Atacama Desert in Chile is a desert primarily because it is located ________.

The measured rainfall shown in the figure below is characteristic of a ________.