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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 .
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 landscape is the visible features of an ... vast arid desert ... in other words an example of marine art. Physical landscape. Geomorphology: The physical evolution ...
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
See desert pavement. [4] region An area having some characteristic or characteristics that distinguish it from other areas; a territory that is of interest to people, for which one or more distinctive traits (e.g. climate, economy, history, etc.) define its identity. [5] regionalism 1.
desert A landscape that receives less than 10 inches (250 mm) of precipitation per year. desert ecology The study of the interactions between both biotic and abiotic factors that occur in desert biomes, including interactions between plant, animal, and bacterial populations in desert communities. desertification
The Gobi Desert is the fastest expanding desert on Earth, as it transforms over 3,600 square kilometres (1,400 square miles) of grassland into wasteland annually. [58] Although the Gobi Desert itself is still a distance away from Beijing , reports from field studies state there are large sand dunes forming only 70 km (43.5 mi) outside the city.
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 ...