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Encyclopedia > Salt lake (geography)

A salt lake or saline lake is a landlocked body of water which has a concentration of salts (mostly sodium chloride) and other minerals significantly higher than most lakes (often defined as at least 3,000 milligrams of salt per liter). In many cases, salt lakes have a higher concentration of salt than sea water. Impact of a drop of water. ... A magnified crystal of a salt (halite/sodium chloride) Salt covering the floor of Bad Water in Death Valley, CA, the lowest point in the US. A salt, in chemistry, is any ionic compound composed of cations (positively charged ions) and anions (negative ions) so that the product is neutral... This articles section called Other facts does not cite its references or sources. ... The milligram (symbol mg) is an SI unit of mass. ... A magnified crystal of a salt (halite/sodium chloride) Salt covering the floor of Bad Water in Death Valley, CA, the lowest point in the US. A salt, in chemistry, is any ionic compound composed of cations (positively charged ions) and anions (negative ions) so that the product is neutral... The liter (spelled liter in American English and litre in Commonwealth English) is a unit of volume. ...

Contents

Formation

Salt lakes form when the water flowing into the lake, containing salt or minerals, cannot leave because the lake is endorheic or terminal. The water then evaporates, leaving behind any dissolved salts and thus increasing its salinity, making a salt lake an excellent place for salt production. The shores of Lake Hart, an endorheic desert lake in South Australia In geography, an endorheic basin—also called a terminal or closed basin—is a watershed from which there is no outflow of water, either on the surface as rivers, or underground by flow or diffusion through rock or... The shores of Lake Hart, an endorheic desert lake in South Australia In geography, an endorheic basin is a watershed from which there is no outflow of water (either on the surface as rivers, or underground by flow or diffusion through rock or permeable material). ... Annual mean sea surface salinity for the World Ocean. ...


High salinity will also lead to a unique flora and fauna in the lake in question.


Salt lakes artificially built for this purpose are called salt pans. Contemporary salt pans on the island of Lanzarote. ...


When the water is gone

If the amount of water flowing into a lake is less than the amount evaporated, the lake will eventually disappear and leave a salt flat or playa (sometimes also referred to as salt pan). Image File history File links Saltph26. ... Image File history File links Saltph26. ... Bonneville Salt Flats The Bonneville Salt Flats are a 121 km² (47 mi²) salt flat in northwestern Utah. ... The playa and shore of Lake Hart, an endorheic desert lake in South Australia An alkali flat (known in US and Mexico as a playa) is a dry lakebed, generally the shore of, or remnant of, an endorheic lake. ... It has been suggested that this article or section be merged with salt pan (geology). ... A salt pan is a geological formation found in deserts. ...


Records

Satellite image of the Caspian Sea.
Satellite image of the Caspian Sea.

In order, the four largest salt lakes in the world are the Caspian Sea, the Aral Sea, Lake Balkhash and Great Salt Lake, which is also the largest in the Western Hemisphere. The salt lake with the highest elevation is Namtso, and the one with the lowest elevation is the Dead Sea, which is also the lowest exposed point on the Earth's surface. Download high resolution version (550x700, 66 KB)Description: This is a view from orbit of the Caspian Sea as imaged by the MODIS sensor on the Terra satellite. ... Download high resolution version (550x700, 66 KB)Description: This is a view from orbit of the Caspian Sea as imaged by the MODIS sensor on the Terra satellite. ... The Caspian Sea is the largest lake on Earth by both area and volume,[1] with a surface area of 371,000 square kilometres (143,244 mi²) and a volume of 78,200 cubic kilometres (18,761 mi³).[2] It is a landlocked endorheic body of water and lies between... The Caspian Sea is the largest lake on Earth by both area and volume,[1] with a surface area of 371,000 square kilometres (143,244 mi²) and a volume of 78,200 cubic kilometres (18,761 mi³).[2] It is a landlocked endorheic body of water and lies between... The Aral Sea (Kazakh: Арал Теңізі (Aral Tengizi), Uzbek: , Russian Аральскοе мοре) is a landlocked endorheic sea in Central Asia; it lies between Kazakhstan in the north and Karakalpakstan, an autonomous region of Uzbekistan, in the south. ... Lake Balkhash from space, April 1991 Lake Balkhash: NASA image, taken 18 April 2000 by SeaWiFS Lake Balkhash, or Lake Balqash, is a large lake in southeastern Kazakhstan, the second largest in Central Asia after the Aral Sea. ... Great Salt Lake, located in the northern part of the U.S. State of Utah, is the fourth largest terminal lake in the world,[1] and the largest salt lake in the Western Hemisphere. ... The geographical western hemisphere of Earth, highlighted in yellow. ... Basic Definition In geography, the elevation of a geographic location is its height above mean sea level (or some other fixed point). ... Pastoral nomads camping near Namtso (2005) Namtso (Nam Tso, Nam Co; 30°42′N 90°33′E) is a mountain lake in central Tibet. ... The Dead Sea (Hebrew: ‎); (Arabic: ‎) is the Earths lowest point not covered by ice, at 418 metres (1,371 ft) below sea level and falling[2], and the deepest hypersaline lake in the world at 330 m (1,083 ft) deep. ... Adjectives: Terrestrial, Terran, Telluric, Tellurian, Earthly Atmosphere Surface pressure: 101. ...


References

  • Lecture notes on salt lakes

 
 

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