Desert | Definition, Climate, Animals, Plants, & Types | Britannica
2024年11月22日 · Desert, any large, extremely dry area of land with sparse vegetation. It is one of Earth’s major types of ecosystems, supporting a community of plants and animals specially adapted to the harsh environment.
Desert - Climate, Ecosystems, Adaptations | Britannica
2024年11月22日 · The arid conditions of the major desert areas result from their position in subtropical regions to either side of the moist equatorial belt. The atmospheric circulation pattern known as the Hadley cell plays an important role in desert climate.
desert - Kids | Britannica Kids | Homework Help
When people think of a desert, they usually think of a sandy, hot, and dry place. But there are other types of deserts as well. A desert is any large region that gets very little rain each year. Very few plants or animals live in desert areas.
How Do Deserts Form? | Britannica - Encyclopedia Britannica
The standard many college textbooks use to define a desert is: an area receiving less than 10 inches (250 mm) of precipitation per year. But why do these areas get so little precipitation in the first place?
Tour the butte escarpments and vegetative landscape of Arizona …
Learn how annual flowers survive harsh desert conditions and how cacti provide sustenance for wildlife
Mali - Desert, Sahel, Oasis | Britannica
2024年12月3日 · Mali - Desert, Sahel, Oasis: Mali is traditionally divided into the nomadic region of the Sahel and the Sahara and the agricultural region of the Sudanic zone. Roughly three-fifths of the population is rural, typically living in thatched dwellings grouped together in villages of between 150 and 600 inhabitants and surrounded by cultivated ...
Location, History, Map, Countries, Animals, & Facts - Britannica
2024年11月29日 · Sahara, largest desert in the world. Filling nearly all of northern Africa, it measures approximately 3,000 miles (4,800 km) from east to west and between 800 to 1,200 miles from north to south and has a total area of some 3,320,000 square miles (8,600,000 square km).
Arizona, New Mexico, Oklahoma, Texas, U.S. Southwest | Britannica
Learn how annual flowers survive harsh desert conditions and how cacti provide sustenance for wildlife
North American Desert | Climate, Flora & Fauna | Britannica
North American Desert, vast, irregular belt of inhospitable terrain that stretches north to south down the western side of the North American continent from southern Oregon and Idaho to northern Mexico. It roughly corresponds to the sheltered, and …
Arabian Desert - Arid, Sand, Heat | Britannica
2024年11月16日 · Arabian Desert - Arid, Sand, Heat: The Arabian Desert spreads across 22° of latitude, from 12° to 34° north; although much of the desert lies north of the Tropic of Cancer, it usually is considered a tropical desert. Summer heat is intense, reaching temperatures as high as 130 °F (55 °C) in places. In the interior the heat is dry.