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Mersey(mûr`zē), river, c.70 mi (110 km) long, formed at Stockport, W England, by the confluence of the Etherow and Goyt rivers. It flows east to the Irish Sea near Liverpool. The estuary of the Mersey, which is 16 mi (26 km) long and c.2 mi (3.2 km) wide, is navigable for oceangoing vessels. Its chief tributaries are the Irwell and Bollin rivers. The Manchester Ship CanalManchester Ship Canal,
35.5 mi (57 km) long with a minimum depth of 28 ft (8.5 m), connecting Manchester, W England, with the Mersey estuary at Eastham, above Birkenhead. Begun in 1887, it was opened in 1894 and changed Manchester from a river port to a seaport.
..... Click the link for more information. uses the waters of the Mersey. Mersey Tunnel or Queensway, a vehicular tunnel (opened 1934) with a length of 2.3 mi (3.7 km), was the longest subaqueous tunnel in the world; it connects Liverpool and Birkenhead. Kingsway Tunnel (1.5 mi/2.4 km long; opened 1971) connects Liverpool and Wallasey. The Mersey River is of great commercial importance to the cities served by it, especially Liverpool and Manchester. Shipbuilding, milling, and oil refining are important industries along the river.
a river in western Great Britain. Length, 109 km; basin area, 4,460 sq km. The Mersey River is formed from the confluence of the Tame and Goyt rivers, which rise in the Pennines. It flows through a hilly plain, emptying into the port of Liverpool on the Irish Sea and forming an estuary 25 km long. The greatest flow rate, which occurs during flooding, is up to 200 cu m per sec. The river’s flow is regulated. The Mersey is navigable, and during high tide it is accessible to ocean vessels. The navigable Manchester Ship Canal runs parallel to the river. The Mersey is linked by other canals with the Trent and Severn rivers. The city of Manchester is situated on the river; the ports of Liverpool and Birkenhead are located at its mouth. Railroad and motor tunnels have been built under the Mersey.