G100: Earth Revealed

Start by entering your name and the episode. Then, based upon the video, respond to the following topics. When you are happy with your answers, select "Submit Assignment" to send the file to me.

 

Please include the Course, Episode number, and your name in the Subject of your email (G100: Ep. X - Last Name).

 

 

Episode 22: Wind, Dust and Deserts

 

The questions for those who want to copy into Word:

1. What is a desert, and where are most of them located?

2. What is the rain shadow effect, and how does it lead to the formation of deserts?

3. Describe the effects of precipitation on desert lands. Why do most deserts have interior drainages?

4. Describe desert pavement and desert varnish, and how they are formed.

5. What is "desertification" and how does it happen. What can be done to reduce desertification on a global scale?

 

 

For those using the "fill-in-the-form" method:

 

 

Your Name

 

Episode

 

What is a desert, and where are most of them located?

 

What is the rain shadow effect, and how does it lead to the formation of deserts?

 

Describe the effects of precipitation on desert lands. Why do most deserts have interior drainages?

 

Describe desert pavement and desert varnish, and how they are formed.

 

What is "desertification" and how does it happen. What can be done to reduce desertification on a global scale?

 

 

 

You are GeoManiac number since April 1, 1997