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The River Severn (Welsh: Afon Hafren, pronounced [ˈavɔn ˈhavrɛn]), at 220 miles (354 km) long, is the longest river in Great Britain. [4] [5] It is also the river with the most voluminous flow of water by far in all of England and Wales, with an average flow rate of 107 m 3 /s (3,800 cu ft/s) at Apperley, Gloucestershire.
Diagram of a plan to harness tidal power on the River Severn circa 1921. Caption from Popular Mechanics Magazine 1921 Barrage locations considered over the years. A huge tidal range and high level of surrounding industry and population have long made the Severn Estuary and Bristol Channel a focus for tidal energy schemes and ideas.
Description: A map of various plans to put some sort of w:barrage across the w:River Severn, including the three main plans.The numbers in brackets represents peak flow generating capacity, in GW (where one GW represents 1 million watts); in comparison, average UK demand is around 40GW.
The River Severn upstream of the M48 Severn Bridge. This section includes all tributaries of the Severn which lie wholly or partly in England. For tributaries of the Severn which lie partly or wholly within Wales, see List of rivers of Wales. Severn catchment. River Severn (Afon Hafren) (MS) Little Avon River (L) River Lyd (R) River Frome ...
Since this was before commercial electricity production, the first proposals were based on the desire for a large shipping harbour in the Severn Estuary, road and railway transport, and flood protection. [4] Diagram of a plan to harness tidal power on the River Severn circa 1921. Caption from Popular Mechanics Magazine 1921
Interlocking spurs at Ashes Hollow, tributary to the River Severn Interlocking spurs looking up Oxendale Beck, tributary to the River Brathay in Lake District, Cumbria. An interlocking spur, also known as an overlapping spur, is one of any number of projecting ridges that extend alternately from the opposite sides of the wall of a young, V-shaped valley down which a river with a winding course ...
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Map showing the Severn Tunnel in relation to other crossings and the estuary itself. The Severn Tunnel forms a critical part of the trunk railway line between southern England and South Wales, and carries an intensive passenger train service as well as significant levels of goods traffic. As of 2012, an average of 200 trains per day use the ...