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Desert - Wikipedia


A desert is a barren area of land where little precipitation occurs and consequently living ... Other desert features include rock outcrops, exposed bedrock and clays ... Many are nocturnal and stay...

desert - National Geographic Society


Oct 19, 2011 ... The Ghaggar River, in what is now India and Pakistan, was a major water source for ... Temperature extremes are a characteristic of most deserts. .... Besides animals like camels and goats, a variety of desert vegetation is ...

Desert Features - USGS Publications Warehouse


Oct 29, 1997 ... Sand covers only about 20 percent of the Earth's deserts. Most of the sand is in sand sheets and sand seas--vast regions of undulating dunes ...

The Desert Biome


Desert biomes can be classified according to several characteristics. ... The four major North American deserts of this type are the Chihuahuan, Sonoran, ... solar radiation received by humid regions and lose almost twice as much heat at night.

20 Amazing Animal Adaptations for Living in the Desert | Mental Floss


Jun 13, 2014 ... Without the benefit of modern technology, animals that make their home in the heat have had to come up with their own ways of staying cool ...

Desert Ecosystem - Conserve Energy Future


Desert ecosystem: The ecosystem is dependent upon the type of desert; temperate ... Mountains: There are two major factors in the deserts' creation; mountains' rain ... Heat is reflected by water vapor, which is either in the form of cloud cover or ... Besides the low rainfall, deserts experience a high amount of water loss fro...

Arabian Desert | Facts, Location, Plants, Animals, & Map | Britannica ...


Jan 28, 2016 ... On the ground, features become distinctly individual and the relief seems more prominent. ... The Arabian Desert consists of two major regions. ..... Summer heat is intense, reaching temperatures as high as 130 °F (55 °C) in places. In the ..... In its widest sense it has been taken to include, besides Australia.

Biomes & Communities of the Sonoran Desert Region


These adjacent geographical features and biological communities exert ..... Besides the heat it creates, the intense sunlight in arid lands is itself a challenge. ... North America has four major deserts: Great Basin, Mohave, Chihuahuan and  ...

Sahara | desert, Africa | Britannica.com


Dec 14, 2015 ... The principal topographical features of the Sahara include shallow, ... Overview of desert sand's effects on the climate, with particular focus on the Sahara. .... high annual and diurnal temperature ranges, cold to cool winters and hot .... Major pastoral groups include the Regeibat of the northwestern Sahara ...

FAQs about the Desert - Frequently Asked Questions


Excerpts from the Arizona-Sonora Desert Museum Book of Answers ...... Are there other venomous reptiles in the Sonoran Desert besides rattlesnakes and Gila ...