Lake Union

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Lake Union

Lake Union seen in 2012, against the backdrop of Seattle
Location Seattle, Washington, USA
Coordinates 47°38′21″N 122°20′01″W / 47.6392°N 122.3337°W / 47.6392; -122.3337 (Lake Union)Coordinates: 47°38′21″N 122°20′01″W / 47.6392°N 122.3337°W / 47.6392; -122.3337 (Lake Union)[1]
Primary inflows Lake Washington Ship Canal
Primary outflows Lake Washington Ship Canal
Catchment area 571 square miles (1,480 km2)[2]
Basin countries United States
Surface area 580 acres (2.3 km2)[2]
Average depth 34 feet (10 m)[2]
Max. depth 50 feet (15 m)[2]
Water volume 20,000 acre feet (25,000,000 m3)[2]

Lake Union is a freshwater lake entirely within the Seattle, Washington city limits.

Origins

A glacial lake, its basin was dug 12,000 years ago by the Vashon glacier, which also created Lake Washington and Seattle's Green, Bitter, and Haller Lakes.[citation needed]

Name

Lake Union received its present name from Thomas Mercer, who in 1854 correctly predicted that canals would someday join Lake Washington to Puget Sound in a "union of waters."[3] The Duwamish called it "Small Lake" (Lushootseed: XáXu7cHoo, literally "small great-amount-of-water," the diminutive form of the word used for Lake Washington).[4]

Geography

Three major streets are named in relation to the lake: Westlake Avenue, which runs along its western shore from Downtown to the Fremont Bridge; Eastlake Avenue, which runs along its eastern shore from Cascade to the University District, and Northlake Way, which runs along its northern shore from the University District past Gas Works Park to the edge of Fremont.

Several neighborhoods take their name from the lake: Eastlake, Westlake, Northlake, and South Lake Union.

Lake Union, 1907, from Queen Anne Hill. Capitol Hill is straight ahead; the gas works (now Gas Works Park) can be seen at left, jutting into the lake.
The view of Downtown Seattle from Lake Union

Industry

Boeing began production on Lake Union in 1916. Shipyards, wharves, and sawmills have also dotted the shore.

Recreation

Kayaking on Lake Union with the Space Needle visible in the distance

Lake Union's proximity to and scenic views of Seattle make it a popular recreational spot. Seaplanes operated by Kenmore Air and Seattle Seaplanes land and take off from the lake throughout the day. Pleasure boats from Lake Washington pass through on their way to Puget Sound. The Center for Wooden Boats holds a yearly wooden boat festival.

Parks

Gas Works Park is the largest park on Lake Union and the most popular for Seattleites and visitors. It is the venue for summer concerts and Seattle's major Fourth of July fireworks show. Other parks ring the lake, clockwise around the compass from Gas Works which is nearly due north: North Passage Point Park, South Passage Point Park, Fairview Park, Terry Pettus Park, and South Lake Union Park.

Floating homes

Floating homes on Lake Union's eastern shore

Floating homes line the east and west sides of Lake Union. In Sleepless in Seattle, the character played by Tom Hanks lived on one of these homes.[5]

Connections to other bodies of water

Lake Union flows into the Fremont Cut towards the Puget Sound.

Part of the Lake Washington Ship Canal system, water flows into the lake from Lake Washington through the Montlake Cut, and out via the Fremont Cut on its way to Puget Sound. Before construction of the canal, Lake Union emptied into Salmon Bay via a creek which followed roughly the same course as the Fremont Cut does today.

Salinity

Because of the connection via the Hiram M. Chittenden Locks to the salt water of Puget Sound, there is some saline contamination,[2] which increases in the summer as the inflow rate from Lake Washington decreases and the locks open more frequently for pleasure craft.[2]

Competitive Rowing

Lake Union is home to several rowing centers, including Lake Union Crew, Lake Washington Rowing Club and Pocock Rowing Center, all members of USRowing. Also rowing out of bodies of water attached to Lake Union are the Seattle Rowing Center and the Conibear Shellhouse, serving the Washington Huskies.

Seaplane base

Lake Union is home to two seaplane bases: Kenmore Air Harbor Seaplane Base (IATA: LKE, FAA LID: W55), and Seattle Seaplanes (IATA: LKE, FAA LID: 0W0), located one nautical mile (1.85 km) north of the central business district of Seattle.

References

  1. ↑ U.S. Geological Survey Geographic Names Information System: Lake Union
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 "Lake Union". King County. Retrieved 15 November 2010. 
  3. ↑ Phillips, James W. (1971). Washington State Place Names. University of Washington Press. p. 149. ISBN 0-295-95158-3. 
  4. ↑ Thrush, Coll (2007). Native Seattle: Histories from the Crossing-Over Place. University of Washington Press. p. 223. ISBN 0-295-98700-6. 
  5. ↑ PacificNorthwestMovies.com, Sleepless in Seattle
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