Physical Landscape: Arid

Krizia C., Arin K. and Aaron S.

How deserts are put in use by humans

• Solar farms• Waste disposal• Nuclear testing• Tourism

Outcrops

• An exposure of bedrock or superficial deposits on the surface of the Earth

OutcropsPanola Mountain Conservation Park, Georgia

Dunes

• A hill of sand formed by wind

DunesKelso Dunes, California

Dry lakebeds

• Temporary lake in a region that has no outlet to the sea

Dry lakebedsEl Mirage

Oasis

• An isolated area of vegetation in a desert, typically surrounding a water source

• Provides habitat for animals (sometimes even human)

• Critical site for trade, transportation and tourism

OasisHuachachina, Peru

Alluvial Fans

• A fan-shaped mass of alluvium as the flow of a river decreases in velocity

• Alluvium: water-transported material (clay, silt, sand, gravel)

Alluvial Fans

Mojave Desert, California

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