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  • Erosion and Weathering
Earth Observatory: From the Dust Bowl to the Sahel
Conditions of Use:
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This site provides a brief description of the Dustbowl in the American Great Plains during the 1930s and relates its effects to what is occurring presently in the Sahel of North Africa. In this dry savannah environment, human activity coupled with prolonged drought are causing desertification. The site features text, satellite imagery, and links to other related materials.

Subject:
Atmospheric Science
Material Type:
Reading
Provider:
NASA
Provider Set:
Earth Observatory
Author:
Laurie Smith
Date Added:
05/18/2001
Garden Science: Soil and Erosion
Conditions of Use:
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In this sixth grade science lesson, students will learn the main components of soil and discuss how soil is created in nature as well as how we can conserve it in the garden.

Material Type:
Activity/Lab
Author:
Kyle Cornforth
Date Added:
01/28/2016