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Erg – Broad area of desert covered with wind-swept sand; Etchplain – Plain where the bedrock has been subject to considerable subsurface weathering; Exhumed river channel – Ridge of sandstone that remains when the softer flood plain mudstone is eroded away; Fjord – Long, narrow inlet with steep sides or cliffs, created by glacial activity
A modern example of desert farming is the Imperial Valley in California, which has high temperatures and average rainfall of just 3 in (76 mm) per year. [121] The economy is heavily based on agriculture and the land is irrigated through a network of canals and pipelines sourced entirely from the Colorado River via the All-American Canal. The ...
Glen Canyon (multiple examples) Glen of Aherlow – a glen is a long, deep valley, while Aherlow is from the Irish eatharlach, meaning "lowland between two mountains", i.e. a valley. Gobi Desert, Mongolia (Desert Desert – "Govi" is Mongolian) Hardtwald in Baden-Württemberg, Germany – "hardt" is an exploited forest, and "wald" means "forest".
Sahara Desert – Africa's largest desert and the world's largest hot desert which covers much of North Africa comprising: Ténéré – a desert covering northeastern Niger and western Chad Sahara Desert; Tanezrouft – a desert covering northern Mali, northwestern Niger as well as central and southern Algeria, at the west of the Hoggar Mountains
The largest hot desert in the world, the Sahara, covers 9 million square kilometres (3.5 × 10 ^ 6 sq mi) and contains several ergs, such as the Chech Erg and the Issaouane Erg in Algeria. [5] Approximately 85% of all the Earth's mobile sand is found in ergs that are greater than 32,000 km 2 (12,355 sq mi), [ 6 ] the largest being the Rub' al ...
Desert is a landscape or region that receives an extremely low amount of precipitation, defined as areas with an average annual precipitation of less than 250 millimetres (10 in) per year, [10] [11] or as areas where more water is lost by evapotranspiration than falls as precipitation. [12]
Also narrow. A land or water passage that is confined or restricted by its narrow breadth, often a strait or a water gap. nation A stable community of people formed on the basis of a common geographic territory, language, economy, ethnicity, or psychological make-up as manifested in a common culture. national mapping agency A governmental agency which manages, produces, and publishes ...
A naturally emergent landscape form that eases communication between areas. [2] acme See summit. acre (ac) A unit of area traditionally defined as the area of a plot of land one chain (66 feet) by one furlong (660 feet), equivalent to 43,560 square feet (0.001563 sq mi; 4,047 m 2), or about 0.40 hectare. active volcano