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Severn Estuary
The Severn Estuary ( cy, Aber Hafren) is the estuary of the River Severn, flowing into the Bristol Channel between South West England and South Wales. Its high tidal range, approximately , means that it has been at the centre of discussions in the UK regarding renewable energy. Geography Definitions of the limits of the Severn Estuary vary. At the upstream boundary, the tidal limit of the river is at Gloucester. Downstream, the International Hydrographic Organization places the boundary between the estuary and the open sea of the Bristol Channel at a line between Sand Point, Somerset (immediately north of Weston-super-Mare) and Lavernock Point (immediately south of Penarth in south Wales). This definition is used by the Severn Estuary Partnership and Visit England. A narrower definition adopted for navigation purposes by some maps includes only the area downstream of the Second Severn Crossing near Severn Beach, South Gloucestershire. The definition used on Admiralty Chart SC1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bristol Channel Detailed Map
Bristol () is a city, ceremonial county and unitary authority in England. Situated on the River Avon, it is bordered by the ceremonial counties of Gloucestershire to the north and Somerset to the south. Bristol is the most populous city in South West England. The wider Bristol Built-up Area is the eleventh most populous urban area in the United Kingdom. Iron Age hillforts and Roman villas were built near the confluence of the rivers Frome and Avon. Around the beginning of the 11th century, the settlement was known as (Old English: 'the place at the bridge'). Bristol received a royal charter in 1155 and was historically divided between Gloucestershire and Somerset until 1373 when it became a county corporate. From the 13th to the 18th century, Bristol was among the top three English cities, after London, in tax receipts. A major port, Bristol was a starting place for early voyages of exploration to the New World. On a ship out of Bristol in 1497, John Cabot, a Venetian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
River Wye
The River Wye (; cy, Afon Gwy ) is the fourth-longest river in the UK, stretching some from its source on Plynlimon in mid Wales to the Severn estuary. For much of its length the river forms part of the border between England and Wales. The Wye Valley (lower part) is designated an Area of Outstanding Natural Beauty. The Wye is important for nature conservation and recreation, but is severely affected by pollution. Etymology The meaning of the river's name is not clear. Possibly the earliest reference to the name is ''Guoy'' in Nennius' early 9th Century '' Historia Brittonum'' and the modern Welsh name is ''Gwy''. The Wye was much later given a Latin name, ''Vaga'', an adjective meaning 'wandering'. The Tithe map references a Vagas Field in both Whitchurch and Chepstow. Philologists such as Edward Lye and Joseph Bosworth in the 18th and early 19th centuries suggested an Old English derivation from ''wæg'', "wave". Description The source of the Wye is in the Wels ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Turbidity
Turbidity is the cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye, similar to smoke in air. The measurement of turbidity is a key test of water quality. Fluids can contain suspended solid matter consisting of particles of many different sizes. While some suspended material will be large enough and heavy enough to settle rapidly to the bottom of the container if a liquid sample is left to stand (the settable solids), very small particles will settle only very slowly or not at all if the sample is regularly agitated or the particles are colloidal. These small solid particles cause the liquid to appear turbid. Turbidity (or haze) is also applied to transparent solids such as glass or plastic. In plastic production, haze is defined as the percentage of light that is deflected more than 2.5° from the incoming light direction. Causes and effects Turbidity in open water may be caused by growth of ph ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Monmouthshire
Monmouthshire ( cy, Sir Fynwy) is a county in the south-east of Wales. The name derives from the historic county of the same name; the modern county covers the eastern three-fifths of the historic county. The largest town is Abergavenny, with other towns and large villages being: Caldicot, Chepstow, Monmouth, Magor and Usk. It borders Torfaen, Newport and Blaenau Gwent to the west; Herefordshire and Gloucestershire to the east; and Powys to the north. Historic county The historic county of Monmouthshire was formed from the Welsh Marches by the Laws in Wales Act 1535 bordering Gloucestershire to the east, Herefordshire to the northeast, Brecknockshire to the north, and Glamorgan to the west. The Laws in Wales Act 1542 enumerated the counties of Wales and omitted Monmouthshire, implying that the county was no longer to be treated as part of Wales. However, for all purposes Wales had become part of the Kingdom of England, and the difference had little practical effec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Denny Island
Denny Island ( cy, Ynys Denny; ) is a small uninhabited rocky island of , with scrub vegetation, in the Severn Estuary. Its rocky southern foreshore marks the boundary between England and Wales. Above high water mark, the island is reckoned administratively to Monmouthshire, South Wales. The island also marks the north-western limit of the City of Bristol's water boundary in the Severn estuary. It is located approximately three miles north of Portishead, midway between Redwick in Wales and Avonmouth in England. It is surrounded by sandbanks known as the Welsh Grounds. Its foreshore area changes dramatically according to the state of the tide, because tides in the estuary and Bristol Channel are amongst the highest in the world, reaching at the spring equinox. It is known as a nesting-place for gulls, cormorants and other seabirds, which are regularly seen and ringed there. History Denny Island appears in the historical record for the first time as ''Dunye'', in the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clevedon
Clevedon (, ) is an English seaside town and civil parish in the unitary authority of North Somerset, part of the ceremonial county of Somerset. It recorded a parish population of 21,281 in the United Kingdom Census 2011, estimated at 21,442 in 2019. It lies along the Severn Estuary, among small hills that include Church Hill, Wain's Hill (topped by the remains of an Iron Age hill fort), Dial Hill, Strawberry Hill, Castle Hill, Hangstone Hill and Court Hill, a Site of Special Scientific Interest with overlaid Pleistocene deposits. It features in the ''Domesday Book'' of 1086. Clevedon grew in the Victorian period as a seaside resort and in the 20th century as a dormitory town for Bristol. Facilities and functions The seafront has ornamental gardens, a Victorian bandstand and other attractions. Salthouse Field has a light railway running round the perimeter and is used for donkey rides in the summer. The shore consists of pebbled beaches and low rocky cliffs, with an old harb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portishead, Somerset
Portishead () is a coastal village on the Severn Estuary, 8 miles (12 km) to the west of Bristol, but within the unitary district of North Somerset, which falls within the ceremonial county of Somerset, England. It has a population of around 25,000, with a growth rate considerably in excess of surrounding towns. Portishead has a long history as a fishing port. As a Royal Manor it expanded rapidly during the early 19th century around the docks, with supporting transport infrastructure. A power station and chemical works were added in the 20th century, but the dock and industrial facilities have since closed and been redeveloped into a marina and residential areas. Portishead was also the telephone control centre used by British Telecom (BT) for non-direct dialled calls to maritime vessels, a service known as Portishead Radio. The town's population is expanding, and Portishead is now primarily a dormitory town for Bristol and its environs, although a range of service indust ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Newport, Wales
Newport ( cy, Casnewydd; ) is a city and county borough in Wales, situated on the River Usk close to its confluence with the Severn Estuary, northeast of Cardiff. With a population of 145,700 at the 2011 census, Newport is the third-largest authority with city status in Wales, and seventh most populous overall. Newport became a unitary authority in 1996 and forms part of the Cardiff-Newport metropolitan area. Newport was the site of the last large-scale armed insurrection in Great Britain, the Newport Rising of 1839. Newport has been a port since medieval times when the first Newport Castle was built by the Normans. The town outgrew the earlier Roman town of Caerleon, immediately upstream and now part of the borough. Newport gained its first charter in 1314. It grew significantly in the 19th century when its port became the focus of coal exports from the eastern South Wales Valleys. Newport was the largest coal exporter in Wales until the rise of Cardiff in the mi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Caldicot And Wentloog Levels
The Caldicot and Wentloog Levels are two areas of low-lying estuarine alluvial wetland and intertidal mudflats adjoining the north bank of the Severn Estuary, either side of the River Usk estuary near Newport in south east Wales. They are also known collectively as the Monmouthshire Levels or Gwent Levels, and the name Wentloog is sometimes spelled Wentlooge in official publications. The Caldicot Level lies to the southeast of Newport between the River Usk and River Wye and consists of . It is home to Newport Wetlands Reserve. The Wentloog Level lies to the southwest between the River Usk and Rhymney River and consists of . The levels are formed from tidal deposits and alluvium, which have been recurrently inundated and reclaimed from the Severn Estuary by humans since Roman times. They have been patterns of settlement, enclosure and drainage systems belonging to successive periods of use, and are extremely rich archaeologically, with finds from the Mesolithic, Bronze Ag ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
England
England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe by the North Sea to the east and the English Channel to the south. The country covers five-eighths of the island of Great Britain, which lies in the North Atlantic, and includes over 100 smaller islands, such as the Isles of Scilly and the Isle of Wight. The area now called England was first inhabited by modern humans during the Upper Paleolithic period, but takes its name from the Angles, a Germanic tribe deriving its name from the Anglia peninsula, who settled during the 5th and 6th centuries. England became a unified state in the 10th century and has had a significant cultural and legal impact on the wider world since the Age of Discovery, which began during the 15th century. The English language, the Anglican Church, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wales
Wales ( cy, Cymru ) is a country that is part of the United Kingdom. It is bordered by England to the east, the Irish Sea to the north and west, the Celtic Sea to the south west and the Bristol Channel to the south. It had a population in 2021 of 3,107,500 and has a total area of . Wales has over of coastline and is largely mountainous with its higher peaks in the north and central areas, including Snowdon (), its highest summit. The country lies within the north temperate zone and has a changeable, maritime climate. The capital and largest city is Cardiff. Welsh national identity emerged among the Celtic Britons after the Roman withdrawal from Britain in the 5th century, and Wales was formed as a kingdom under Gruffydd ap Llywelyn in 1055. Wales is regarded as one of the Celtic nations. The conquest of Wales by Edward I of England was completed by 1283, though Owain Glyndŵr led the Welsh Revolt against English rule in the early 15th century, and briefly re- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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