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The Siwa Oasis (Arabic: واحة سيوة Wāḥat Sīwah [ˈwæːħet ˈsiːwæ]) is an urban oasis in Egypt. It is situated between the Qattara Depression and the Great Sand Sea in the Western Desert, 50 kilometres (31 mi) east of the Egypt–Libya border and 560 kilometres (350 mi) from the Egyptian capital city of Cairo.
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 wells or underground channels created by humans.
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.
The Sahara (/ səˈhɑːrə /, / səˈhærə /) 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. [1][2][3]
Dakhla Oasis lies in the New Valley Governorate, 350 km (220 mi.) from the Nile and between the oases of Farafra and Kharga. It measures approximately 80 km (50 mi) from east to west and 25 km (16 mi) from north to south.
In geography, an oasis is an isolated place in the desert where there is vegetation. Most often, this occurs around a source of water . Oases provide a habitat for animals and are a source of water in the desert.
The Sonoran Desert is clearly distinct from nearby deserts (e.g., the Great Basin, Mojave, and Chihuahuan deserts) because it provides subtropical warmth in winter and two seasons of rainfall (in contrast, for example, to the Mojave's dry summers and cold winters).
