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Geography. Anthropology. Recreation -- Physical geography -- Geomorphology. Landforms. Terrain -- Other natural landforms -- Deserts. Arid regions
Weathering and Erosion in Desert Environments
This article provides a brief introduction to the processes of weathering and erosion in desert environments. Topics include the differences in the way these processes proceed in wet and arid environments, the role of...
This radio broadcast explains how packrat nests, usually made of nearby sticks and leaves, may last as long as 40,000 years. The materials in these nests may reveal the ecology of an area in the past. Studies of the...
This feature article from the National Aeronautics and Space Administration's Earth Observatory discusses the use of satellite imagery to evaluate desertification which is occurring in the Sahel, a region of central...
Re-thinking Policies to Cope With Desertification
The phenomenon and process of desertification is one that is currently threatening one-third of the world?s population from Algeria to China. In December 2006, the United Nations convened a large panel of expert r...
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