Mersey, River

River, northwestern England.

It flows west through the southern suburbs of Manchester and is joined by the Irwell in its canalized form as the Manchester Ship Canal. The Mersey is itself modified by the canal as far as Warrington, where it becomes tidal. At Runcorn it is joined by the Weaver, and it forms the Mersey Estuary, the harbour of Liverpool. It enters the Irish Sea after a course of 70 mi (110 km).

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      river formed at Stockport, Eng., by the junction of the Goyt and Tame, two headstreams that both rise at about 1,600 feet (490 m) on the west side of the Pennines, the upland spine of northern England. The Mersey lies entirely below 150 feet (45 m), draining large areas of the Lancashire and Cheshire plains. It flows in a westerly direction through the southern suburbs of Manchester and, at Flixton, receives its major right-bank tributary, the Irwell, in its canalized form as the Manchester Ship Canal. The Mersey is itself artificially modified by the canal as far as Warrington, where it becomes tidal. At Runcorn, the river receives its major left-bank tributary, the Weaver, and opens out to form a wide estuary more than 30 square miles (75 square km) in area. The estuary is restricted at its seaward end, enabling the tidal movements to prevent the accumulation of silt and so reduce the dredging costs of the Port of Liverpool. This section of the estuary has been tunneled three times: two road tunnels (one opened in 1971) and one railway tunnel link Liverpool (north) with Birkenhead (south). The Mersey enters the Irish Sea after a total course of 70 miles (110 km).

      river in northern Tasmania, Australia, rising in the lake district near Mount Pelion East on the Central Plateau. Fed by the Dasher and Fisher rivers, it flows 91 miles (146 km) north, east, and again north before entering its estuary at Latrobe, the head of navigation, and emptying into Bass Strait at Devonport. The stream cuts a gorge up to 2,000 feet (600 m) deep into the face of the plateau, where its steeply falling water is harnessed for hydroelectric power. The Mersey is linked with the Forth and Wilmot rivers and supplies water from its main storage reservoir, Lake Rowallan (1968), to hydroelectric-generating plants on the Forth. Named for the English river, the Mersey flows through a timber district before entering its lower valley, which supports dairying, sheep raising, and fruit and potato farming.

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Universalium. 2010.

Look at other dictionaries:

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  • Mersey River — River, northern Tasmania, Australia. Fed by the Dasher and Fisher rivers, the Mersey flows 91 mi (146 km) north, east, and again north to enter an estuary at Latrobe and then empty into Bass Strait at Devonport. The stream cuts a gorge up to… …   Universalium

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  • Mersey (disambiguation) — Mersey may refer to: River Mersey, in northwest England Mersea Island, off the coast of Essex in England (formerly Mersey Island) Mersey River (Tasmania) in the Australian state Electoral division of Mersey in the state of Tasmania, Australian… …   Wikipedia

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