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Salt lake

Salt Lake (Disambiguation)}} A salt lake or saline lake is a landlocked body of water that has a concentration of salts (typically sodium chloride) and other dissolved minerals significantly higher than most lakes (often defined as at least three grams of salt per litre). In some cases, salt lakes have a higher concentration of salt than sea water; such lakes can also be termed hypersaline lakes. An alkalic salt lake that has a high content of carbonate is sometimes termed a soda lake. Saline lake classification: subsaline 0.5–3 hyposaline 3–20 ‰ mesosaline 20–50 ‰ hypersaline greater than 50 ‰

Properties

Salt lakes form when the water flowing into the lake, containing salt or minerals, cannot leave because the lake is endorheic (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. High salinity will also lead to a unique halophilic flora and fauna in the lake in question; sometimes, in fact, the result may be an absence or near absence of life near the salt lake. If the amount of water flowing into a lake is less than the amount evaporated, the lake will eventually disappear and leave a dry lake (also called playa or salt flat). Brine lakes consist of water that has reached salt saturation or near saturation ( brine), and may also be heavily saturated with other materials. Most brine lakes develop as a result of high evaporation rates in an arid climate with a lack of an outlet to the ocean. The high salt content in these bodies of water may come from minerals deposited from the surrounding land. Another source for the salt may be that the body of water was formerly connected to the ocean. While the water evaporates from the lake, the salt remains. Eventually, the body of water will become brine. Because of the density of brine, swimmers are more buoyant in brine than in fresh or ordinary salt water. Examples of such brine lakes are the Dead Sea and the Great Salt Lake. Bodies of brine may also form on the ocean floor at cold seeps. These are sometimes called brine lakes, but are more frequently referred to as brine pools. It is possible to observe waves on the surface of these bodies.http://www.oceanexplorer.noaa.gov/explorations/06mexico/logs/may31/may31.html Man-made bodies of brine are created for edible salt production. These can be referred to as brine ponds.

List

and Maharloo salt lakes near Shiraz, Iran. Salt lakes are particularly common in Iran.]] ]]

See also

References

External links

"green air" © 2007 - Ingo Malchow, Webdesign Neustrelitz
This article based upon the http://en.wikipedia.org/wiki/Salt_lake, the free encyclopaedia Wikipedia and is licensed under the GNU Free Documentation License.
Further informations available on the list of authors and history: http://en.wikipedia.org/w/index.php?title=Salt_lake&action=history
presented by: Ingo Malchow, Mirower Bogen 22, 17235 Neustrelitz, Germany