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Erg (Landform)
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O45KJ694567
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Geliefert zwischen Mi., 11.02.2026 und Do., 12.02.2026
Details
An erg is a large, relatively flat area of desert covered with wind-swept sand with little or no vegetative cover. The term takes its name from the Arabic word arq, meaning "dune field". Strictly speaking, an erg is defined as a desert area that contains more than 125 square kilometers of aeolian or wind-blown sand and where sand covers more than 20% of the surface. Smaller areas are known as dune fields. The largest hot desert in the world, the Sahara, is 9,000,000 km² and contains several ergs, such as the Chech Erg and the Issaouane Erg in Algeria. Approximately 85% of all the Earth's mobile sand is found in ergs that are larger than 32,000 km². Ergs are also found on other celestial bodies, such as Venus, Mars and Saturn's moon Titan.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130748845
- Genre Geowissenschaften
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Anzahl Seiten 128
- Herausgeber Alphascript Publishing
- EAN 9786130748845
- Format Fachbuch
- Titel Erg (Landform)
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