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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.
- Overview
- 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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20 de set. de 2021 · The River Thames is a 346 km river that flows through southern England, starting from Thames Head in Cotswold Hills, Gloucestershire County. It is the longest river in England and the second longest in the United Kingdom right after the River Severn.
11 de jul. de 2021 · The River Thames is a force of nature. The Thames flows for 215 miles from its source at Trewsbury Mead in the Cotswolds to the North Sea, and its tidal flow stretches all the...
- Paris Franz
Facts about the River Thames & useful information. It’s part of the longest river in England, it has 45 locks, is home to over 25 species of fish, boasts three areas of outstanding natural beauty and it’s the only river in Europe to have a national trail follow its entire length.
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).
The Thames is one of the World's most fascinating and beautiful rivers. From source to sea, its 215 miles flow from springs in Gloucestershire through rural and developed areas to London and on to the imposing tidal estuary into the North Sea.
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