Los desiertos

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Transcript of Los desiertos

Los desiertos/ The deserts

Facts about the deserts Our planet have different deserts. The temperature of the desert fluctuates

between 30 degrees Fahrenheit, at night and 130 degrees during the daylight.

The lack of vegetation makes the heat to evaporate faster at night.

During the day the sunlight heats everything.

Usually the desert is very low in humidity.

DesertsDeserts cover more than one fifth of the Earth's land, and they are found on every continent. Deserts can be classified as "hot" or "cold". Deserts receive less than 10 inches of precipitation a year. Lack of water creates a survival problem for all desert organisms, animals, plants and people.

Alluvial Fan: A large, fan-shaped pile of sediment forming at the base of narrow canyons onto a flat

plain at the foot of a mountain range.

Desert terms

Arroyo: A dry desert gully.Bajada: A broad, sloping depositional deposit caused by the coalescing of alluvial fans.Blowout: A depression in the land surface caused by wind erosion.Butte: A narrow flat-topped hill of resistant rock with very steep sides. Probably formerly a mesa.Cenozoic Era: 0 to 65 million years ago includes the Quaternary and Tertiary Periods.Desert: Receiving less than 10 inches of precipitation annually.Desert Pavement: A thin, surface layer of closely packed pebbles.Desert Varnish: A hard, dark, shiny coating on rocks caused by chemical action.

Location of the deserts around the World

Deserts in North America

The North American Deserts includes USA and Mexico

La localizacion del Desierto Arizona

Arizona Desert

Sonora/Arizona

DESIERTO DE ARIZONA La gran parte de Arizona tiene clima

seco. Estas regiones reciben menos de 40 centimetros de lluvia al año.

Animales de Arizona

Vegetation/Vegetacion