explain the deserts of Africa in the terms of their location
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- The Sahara is the largest desert in Africa, and the largest hot desert in the world – with summer temperatures reaching 122 °F (50 °C) – and stretching across 12 North African countries. The desert was created around 7 million years ago, as remnants of a vast sea called Tethys closed up.
- The semi-arid Kalahari Desert lies in the heart of southern Africa, covering much of Botswana, and parts of Namibia and South Africa. Some academics maintain that because parts of the Kalahari receive more than 10 inches of rain annually it’s not a true desert. It is this annual precipitation of 4 to 20 inches that allows the desert to support vegetation such as resilient grasses, thorny shrubs, and acacia trees.
- The Danakil Desert is situated in the Afar Triangle, stretching across northeastern Ethiopia and the coast of southern Eritrea and northwestern Djibouti. The desert is one of the most extreme environments in the whole of Africa with lava lakes, volcanoes, hot springs, geysers, and some impressive multi-coloured salt lakes.
- Located to the east of Kenya’s Lake Turkana, the Chalbi desert is one of the hottest and most arid places in Kenya. The name comes from the Gabbra dialect for ‘bare and salty’, which seems particularly appropriate given this vast bleached stretch of earth is an old river bed dotted with rocks and huge dried clay formations.
- The Nyiri Desert, also known as the Nyika or Taru Desert, lies in southern Kenya between Amboseli, Tsavo West, and Nairobi National Parks.
- The desert is in the rain-shadow region of Mount Kilimanjaro (Africa’s highest mountain), contributing to the extremely low levels of rainfall. However, there are several large springs that support large mammals including elephant, giraffe, rhinoceros, lion, leopard, and kudu, and provide water for growths of small, thorny trees and some baobabs.
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