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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.
The Sahara Desert features a hot desert climate (Köppen climate classification BWh).The Sahara Desert is one of the driest and hottest regions of the world, with a mean temperature sometimes over 30 °C (86 °F) and the average high temperatures in summer are over 40 °C (104 °F) for months at a time, and can even soar to 47 °C (117 °F).
The Gobero archaeological site, dating to approximately 8000 BCE, is the oldest known graveyard in the Sahara Desert. The site contains important information for archaeologists on how early humans adapted to a constantly changing environment. Gobero is located in the Ténéré desert of Niger, and is named after the Tuareg name for
The Sahel's climate is similar to, but less extreme than, the climate of the Sahara desert located just to the north. ... National Geographic. Vol. 172, ...
The Kalahari Desert is a large semi-arid sandy savanna in Southern Africa extending for 900,000 square kilometres (350,000 sq mi), covering much of Botswana, as well as parts of Namibia and South Africa.
These geographic conditions lie adjacent to the Grand Erg Oriental. Here grow "the finest dates of all the Maghrib". In winter, winds blow from the northwest and the north. The Grand Erg Oriental "appears to have been pushed forward on the east and southeast slopes" toward Ghadames at the Libyan border. [10] Satellite image of the Sahara desert.
In 2004, Prosperi's survival story was depicted on the National Geographic Channel in a documentary titled Expeditions to the Edge: Sahara Nightmare, and within episode 5 ("Lost in the Desert") of the 2019 Netflix series Losers.
A satellite image of the Sahara, the world's largest hot desert and third largest desert after Antarctica and the Arctic. Desert greening is the process of afforestation or revegetation of deserts for ecological restoration (biodiversity), sustainable farming and forestry, but also for reclamation of natural water systems and other ecological systems that support life.