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Great Salt Lake

Great Salt Lake
Great Salt Lake ISS 2003.jpg
Satellite photo from August 2003 after five years of drought, reaching near-record lows. Note the difference in colors between the northern and southern portions of the lake, the result of a railroad causeway.
Location Utah, United States
Coordinates 41°10′N 112°35′W / 41.167°N 112.583°W / 41.167; -112.583Coordinates: 41°10′N 112°35′W / 41.167°N 112.583°W / 41.167; -112.583
Type Endorheic, hypersaline, generally 27% salinity
Primary inflows Bear, Jordan, Weber rivers
Catchment area 21,500 sq mi (55,685 km²)
Basin countries United States
Max. length 75 mi (120 km)
Max. width 28 mi (45 km)
Surface area 1,700 sq mi (4,400 km²)
Average depth 16 ft (4.9 m), when lake is at average level
Max. depth 33 ft (10 m) average, high of 45 ft (14 m) in 1987, low of 24 ft (7.3 m) in 1963
Water volume 15,338,693.6 acre·ft (18.92 km3)
Surface elevation historical average of 4,200 feet (1,283 m), 4,190.3 feet (1,277 m) as of 2016 July 7
Islands 8–15 (variable, see Islands)
Settlements Salt Lake and Ogden metropolitan areas.
External images
map (FWS.gov)
map (Friends of GSL
map (MrHall.com)
map (USGS.gov)
daily surface level
volume & area vs surface level
photographic survey
NASA images
research images (Westminster edu)
boating images (UTAH.com)
gulls

The Great Salt Lake, located in the northern part of the U.S. state of Utah, is the largest salt water lake in the Western Hemisphere, and the eighth-largest terminal lake in the world. In an average year the lake covers an area of around 1,700 square miles (4,400 km2), but the lake's size fluctuates substantially due to its shallowness. For instance, in 1963 it reached its lowest recorded level at 950 square miles (2,460 km²), but in 1988 the surface area was at the historic high of 3,300 square miles (8,500 km2). In terms of surface area, it is the largest lake in the United States that is not part of the Great Lakes region.

The lake is the largest remnant of Lake Bonneville, a prehistoric pluvial lake that once covered much of western Utah. The three major tributaries to the lake, the Jordan, Weber, and Bear rivers together deposit around 1.1 million tons of minerals in the lake each year. As it is endorheic (has no outlet besides evaporation), it has very high salinity, far saltier than seawater, which makes swimming similar to floating, and its mineral content is steadily increasing. Its shallow, warm waters cause frequent, sometimes heavy lake-effect snows from late fall through spring.

Although it has been called "America's Dead Sea", the lake provides habitat for millions of native birds, brine shrimp, shorebirds, and waterfowl, including the largest staging population of Wilson's phalarope in the world.


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Wikipedia

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