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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.
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 ...
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 ...
The Severn bore is a tidal bore seen on the tidal reaches of the River Severn in south western England. It is formed when the rising tide moves into the funnel-shaped Bristol Channel and Severn Estuary and the surging water forces its way upstream in a series of waves, as far as Gloucester and beyond.
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
A definition given by the state of Montana agrees, stating that a river source is never a confluence but is "in a location that is the farthest, along water miles, from where that river ends." [3] Under this definition, neither a lake (excepting lakes with no inflows) nor a confluence of tributaries can be a true river source, though both often ...
Coracle on the River Severn near Ironbridge. The structure is made of a framework of split and interwoven willow rods, tied with willow bark. The outer layer was originally an animal skin such as horse or bullock hide (corium), [4] with a thin layer of tar to waterproof it; today replaced by tarred calico, canvas, or fibreglass.