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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.
The Severn River is crossed by two bridges. One, known as the Severn River Bridge or Pearl Harbor Memorial Bridge, carries US 50/US 301/MD 2 and was first built in 1886. The other carries MD 450, and is now officially named the "US Naval Academy Bridge" because its south end traverses the academy. The latter bridge was built as a drawbridge in ...
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.
Chesapeake Bay Program Watershed Profile [permanent dead link ]: Severn River; Severn River map (Available from the Severn River Association) Severn River history from Anne Arundel County web site; A. T. Davison and C. B. Rucker. Gems of the Severn (Severn River Commission, Annapolis, MD, 1988) Available from Scenic Rivers Land Trust, http ...
This is superbly illustrated at the ‘Garden Cliff’, Westbury-on-Severn (see picture), where the river Severn has sliced a convenient ‘cut-away’ section of this transition from the red Triassic marls, through the thin Penarth Group (formerly 'Rhaetic') strata, to the lias clays and limestones of the lower Jurassic.
The Canal Trust used a legacy to purchase the site, which includes two cottages, some land, and a small section of the River Severn as well as Llanthony lock. The lock is bigger than that at Maisemore, and access to the entrance lock at Over is easier because boats would be travelling against the flow of the river as they approach it. [32]
Cleeve Common is designated a biological and geological site. This is a list of the Sites of Special Scientific Interest (SSSIs) in Gloucestershire. Natural England, the designating body for SSSIs in England, uses the 1974-1996 county system, and this list follows the same approach.
The Severn splits into two channels (known as East Channel and West Channel) at Upper Parting (the northernmost tip of Alney), and merges again at Lower Parting to the south. The island is a strip of land in between the two channels, about 2.1 miles (3.4 km) long and 0.74 miles (1.19 km) at its widest. It is a local Nature Reserve. [1] [2]