See how London's Thames Barrier combats flooding caused by the reversal of water flow in the River Thames when levels rise in the North Sea
![See how London's Thames Barrier combats flooding caused by the reversal of water flow in the River Thames when levels rise in the North Sea](https://cdn.britannica.com/89/21889-138-96275E8F/Flood-control-London-Thames-Barrier.jpg)
See how London's Thames Barrier combats flooding caused by the reversal of water flow in the River Thames when levels rise in the North Sea
Flood control downstream of London: the Thames Barrier.
Encyclopædia Britannica, Inc.
Transcript
NARRATOR: London is intimately connected with the sea. When the tide level rises in the North Sea, the Thames reverses its flow, occasionally causing floods. To protect London from flooding, the Thames River Barrier was inaugurated in 1982, and an extensive system of walls and floodgates was erected downstream.