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A desert is a landscape where little precipitation occurs and, consequently, living conditions create unique biomes and ecosystems. The lack of vegetation exposes the unprotected surface of the ground to denudation. About one-third of the land surface of the Earth is arid or semi-arid.
Oct 14, 2024 · 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 distinctive plants and animals specially adapted to the harsh environment. For a list of selected deserts of the world, see below. Simpson Desert Simpson Desert, central Australia.
Deserts are areas that receive very little precipitation. People often use the adjectives “hot,” “dry,” and “empty” to describe deserts, but these words do not tell the whole story. Although some deserts are very hot, with daytime temperatures as high as 54°C (130°F), other deserts have cold winters or are cold year-round.
In geography, a desert is a landscape form or region that receives very little precipitation. More specifically, it is defined as an area that receives an average annual precipitation of less than 250 millimeters (mm) (10 inches (in)). Deserts sometimes contain valuable mineral deposits that were formed in the arid environment or exposed by ...
Oct 19, 2023 · Deserts cover more than one-fifth of Earth's land area, and they are found on every continent. A place that receives less than 25 centimeters (10 inches) of rain per year is considered a desert. Deserts are part of a wider class of regions called drylands.
DESERT: INTRODUCTION. In the Western imagination the word “ desert ” most often evokes a landscape of endless gigantic sand dunes, dazzling white under a cloudless hot-blue sky and a blazing sun. This landscape of the imagination is likely to be empty—deserted—except, perhaps, for a caravan of nomads and camels that inches slowly across ...
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Deserts are natural laboratories in which to study the interactions of wind and sometimes water on the arid surfaces of planets. They contain valuable mineral deposits that were formed in the arid environment or that were exposed by erosion. Because deserts are dry, they are ideal places for human artifacts and fossils to be preserved.
