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The correlation between aridity and sparse population is complex and dynamic, varying by culture, era, and technologies; thus the use of the word desert can cause confusion. In English before the 20th century, desert was often used in the sense of "unpopulated area", without specific reference to aridity; [2] but today the word is most often ...
The Gobi Desert is the fastest expanding desert on Earth, as it transforms over 3,600 square kilometres (1,400 square miles) of grassland into wasteland annually. [58] Although the Gobi Desert itself is still a distance away from Beijing, reports from field studies state there are large sand dunes forming only 70 km (43.5 mi) outside the city.
To delineate "hot desert climates" from "cold desert climates", a mean annual temperature of 18 °C (64.4 °F) is used as an isotherm so that a location with a BW type climate with the appropriate temperature above this isotherm is classified as "hot arid subtype" (BWh), and a location with the appropriate temperature below the isotherm is ...
Desert (/ d ɪ ˈ z ɜːr t /) in philosophy is the condition of being deserving of something, whether good or bad. It is sometimes called moral desert to clarify the intended usage and distinguish it from the dry desert biome.
Rocky areas and lava flows punctuate the flat desert landscape. A railway has followed the course of the Jornada del Muerto trail since the 1880s. Jornada del Muerto was the name given by the Spanish conquistadors to the Jornada del Muerto desert basin , and the almost waterless 90-mile (140 km) trail across the Jornada beginning north of Las ...
The Sahara (/ s ə ˈ h ɑːr ə /, / s ə ˈ h ær ə /) is a desert spanning across North Africa.With an area of 9,200,000 square kilometres (3,600,000 sq mi), it is the largest hot desert in the world and the third-largest desert overall, smaller only than the deserts of Antarctica and the northern Arctic.
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The desert oasis city of Jubbah in Saudi Arabia as photographed from space. In ecology, an oasis (/ oʊ ˈ eɪ s ɪ s /; pl.: oases / oʊ ˈ eɪ s iː z /) is a fertile area of a desert or semi-desert environment [1] that sustains plant life and provides habitat for animals. Surface water may be present, or water may only be accessible from ...