- Rub' al Khali
The Rub' al Khali (Arabic: الربع الخالي), which translates as Empty Quarter in English, is one of the largest sand
desertsin the world, encompassing most of the southern third of the Arabian Peninsula, including southern Saudi Arabia, and areas of Oman, the United Arab Emiratesand Yemen. The desert covers some 650,000 square kilometers (250,000 square miles) (the area between long. 44°30′–56°30′E., and lat. 16°30′–23°00′N), more than the combined land areas of the Netherlands, Belgium, and Franceand almost the land area of Texas.
Largely unexplored until recently, the desert is one thousand
kilometers (600 miles) long, and 500 km (300 mi) wide. Even the Bedouins only skirt the edges of the desert. Nonetheless, tour companies do exist that offer GPS-equipped excursions into the desert. The first documented journeys made by Westerners to the Empty Quarter were those made by Bertram Thomasin 1931 and St. John Philbyin 1932. Between 1946 and 1950 Wilfred Thesigercrossed the area several times and mapped large parts of the Empty Quarter and the mountains of Oman.
With summer temperatures up to nearly 55 degrees
Celsius(131 F) at noon, and dunes taller than the Eiffel Tower— over 330 meters (1000 ft) — the desert may be the most foreboding environment on Earth. However, as nearly everywhere else, life flourishes. Arachnids, rodents and plant life can all be found throughout the Empty Quarter. As an ecoregion, it falls within the Arabian Desert and East Sahero-Arabian xeric shrublands. Desertificationhas increased through the millennia. Before desertification made the caravan trails leading across the Rub' al Khali so difficult, the caravans of the frankincensetrade crossed now virtually impassable stretches of wasteland, until about AD 300. For example, Iram of the Pillars, a lost city, depended on such trade. More recently, tribal populations were also present in certain parts of the Empty Quarter, with the largest in the Najran region. A few road links were connected with these tribal settlements to the water resource and oil production centers.
Geologically, the Empty Quarter is one of the most oil-rich places in the world. Vast
oil reserveshave been discovered underneath the sand stacks. Sheyba, in the middle of the desert, is a major Arab light crudeoil-producing site in Saudi Arabia. Also, Ghawwar Field, the largest oil field in the world, extends southward into the northernmost parts of the Empty Quarter.
A scientific excursion organized by the
Saudi Geological Surveywas led by a team of 89 environmentalists, geologists, and scientists, from Saudi Arabia as well as experts from abroad on February 25, 2006to explore the Empty Quarter. Various types of fossilizedcreatures as well as meteorrocks were discovered among the parched desert dunes. The expedition also led to the discovery of 31 new plant species and plant varieties, as well as 24 species of birds that inhabit the desert, which fascinated scientists as to how they have survived under the harsh conditions of the Empty Quarter. These findings led the geologists to nickname the area "Rub' al-Ghali", or the "Valuable Quarter".
* [http://www.saudiaramcoworld.com/issue/198903/lakes.of.the.rub.al-khali.htm Lakes of the Rub’a Al-Khali] , Saudi Aramco World.
* [http://magma.nationalgeographic.com/ngm/0502/sights_n_sounds/media2.html Sights & Sounds: The Empty Quarter] : A National Geographic virtual tour in the Empty Quarter.
* [http://magma.nationalgeographic.com/ngm/0502/feature1/images/zm_zoomin.1.2.jpgClear picture of some of the dunes in the Empty Quarter] .
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Look at other dictionaries:
Rub' al Khali — Pays Arabie saoudite … Wikipédia en Français
Rub al-Khali — Localisation Pays … Wikipédia en Français
Rub al-khali — Pays Arabie saoudite … Wikipédia en Français
Rub al Khali — Pays Arabie saoudite … Wikipédia en Français
RUB‘ AL-KHALI — RUB‘ AL KH L 壟 Immense désert de la péninsule arabique, le Rub‘ al Kh l 稜, «quartier vide» (ou «quart désertique»), s’étend sur 1 200 kilomètres d’est en ouest et sur 650 000 kilomètres carrés environ. C’est un grand bassin incliné de l’ouest… … Encyclopédie Universelle
Rubʼ al Khali — [roob΄ äl kä′lē] large desert of S Arabia: c. 250,000 sq mi (647,498 sq km) * * * … Universalium
Rubʼ al Khali — [roob΄ äl kä′lē] large desert of S Arabia: c. 250,000 sq mi (647,498 sq km) … English World dictionary
Rub al-Khali — Lage der Rub al Chali auf der Arabischen Halbinsel Sanddünen in der Rub al Chali … Deutsch Wikipedia
Rub al Khali — Lage der Rub al Chali auf der Arabischen Halbinsel Sanddünen in der Rub al Chali … Deutsch Wikipedia
Rub' al Khali — Rub al Kha•li [[t]ˌrʊb æl ˈkɑ li[/t]] n. geg a desert in S Arabia, N of Hadhramaut and extending from Yemen to Oman. ab. 300,000 sq. mi. (777,000 sq. km) Also called Empty Quarter Great Sandy Desert … From formal English to slang