Exam 15: The Work of Wind and Deserts

What factors affect the type of dune that forms?

A saline,temporary lake in a desert is known as a(n)____________________ lake.

All dunes originate in desert conditions.

Since most deserts have internal drainage,why are there through-flowing streams such as the Nile,Niger,Indus,Colorado Rivers in some deserts?

Briefly explain how a pediment is formed.

Wind is as effective an agent of landform creation,as is water.

The deflection of a moving mass from a straight line is known as ____________________.

Besides deserts,where is the wind a significant geologic agent?

What is Coriolis effect caused by?

Deserts mostly occur at ____ latitudes.

Deserts are the one environment where wind erosion is more important than water erosion.

Explain how air masses are set into motion.

A playa forms by ____________________ of a playa lake.

What are some of the human-caused factors that may be initiators of desertification?

The drainage characteristic of most deserts,in which streams dry up and do not have enough water to become integrated and reach outside their drainage areas,is called ____________________ drainage.

The transformation of formerly productive lands into deserts is called ____________________.

What are some of the ways in which desert plants have adapted to the conditions in which they live?

What is a common mode of mass wasting in deserts?

Why are flash floods and sheet flows common in deserts?

High pressure troughs exist where cooler,denser air begins to descend at about ______ to ______ degrees latitude,N and S.