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The River Thames (/ t ɛ m z / ⓘ TEMZ), known alternatively in parts as the River Isis, is a river that flows through southern England including London. At 215 miles (346 km), it is the longest river entirely in England and the second-longest in the United Kingdom, after the River Severn.
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- Physical features
River Thames, chief river of southern England. Rising in the Cotswold Hills, its basin covers an area of approximately 5,500 square miles (14,250 square km). The traditional source at Thames Head, which is dry for much of the year, is marked by a stone in a field 356 feet (108.5 metres) above sea level and 3 miles (5 km) southwest of the town of Ci...
The Thames is some 205 miles (330 km) long, running 140 miles (226 km) from the source to the tidal waters limit—i.e., from Thames Head to Teddington Lock—and, as an estuary, a further 65 miles (104 km) from there to The Nore sandbank, which marks the transition from estuary to open sea. Its basin, which receives an annual average precipitation of 27 inches (688 mm), has a complex structure. In its upper course the river drains a broadly triangular area defined by the chalk escarpment of the Chiltern Hills and the Berkshire Downs to the east and south, the Cotswolds to the west, and the Northamptonshire uplands to the north. At Goring Gap it cuts through the chalk escarpment and then drains the land lying north of the dip slope of the North Downs. Its last great tributary, the River Medway, drains much of the low-lying Weald area of Kent and Sussex to the south of London.
Flowing through gently rolling lowlands, the distinctive character of the Thames is pastoral and undramatic. Its average fall between Lechlade and London is less than 20 inches per mile (32 cm per km). The tides and surges of the sea, moreover, have a profound effect on the water level of the river’s lower course. This tidal influence begins to be felt intermittently, for some three hours during a high tide, at Teddington in the west suburbs of London. The transition from freshwater to estuarine reaches occurs closer to central London, around Battersea. At London Bridge, in the heart of the metropolis, the river rises 22 feet (7 metres) on the spring tides and 18 feet (5.5 metres) on the neap tides.
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Water and its Varying Forms
O Rio Tamisa (português europeu) ou Tâmisa (português brasileiro) (em inglês: River Thames) é um curso de água do sul da Inglaterra que banha Oxford e Londres e desagua no mar do Norte. Nasce perto da aldeia de Kemble, na região de Cotswolds, e atravessa Oxford, Wallingford, Reading, Henley-on-Thames, Marlow, Maidenhead, Eton ...
- Europa
- Inglaterra
- 51° 30′ 00″ N, 0° 36′ 36″ L
20 de set. de 2021 · Learn about the River Thames, the longest river in England and the second longest in the UK, that flows through London and other cities. Discover its origin, geology, wildlife, human activity and economy, and its role in history and culture.
Learn about the history, geography and wildlife of the River Thames, the longest river in England. Find out what to do, where to stay and what's on along the river's banks.
Explore the Thames, England's longest river, from its source in the Cotswolds to its mouth in the North Sea. Discover the historical and cultural landmarks, events and stories that shaped the river and the nation.
River Thames, ancient Tamesis, Principal river of England. It rises in the Cotswolds in Gloucestershire and winds 205 mi (330 km) eastward across south-central England into a great estuary, through which it empties into the North Sea. It is tidal for about 65 mi (104 km).
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