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Question: Tidal River Bores

Answer:
Tidal River Bores

In most tidal rivers the change from ebb to flood is a gradual process. The ebb current downstream slows, there is a period of slack water and then very slowly the flood tide starts flowing upstream. In a few rivers however, the behaviour is remarkably different. The onset of the flood tide is marked by a distinct and sometimes very vigorous wave called a bore. Approximately 100 rivers around the world are known to produce bores, of which perhaps 20 or so are in the United Kingdom. This is a consequence of the large tidal ranges that occur in several locations around the British Isles.

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(Source: Pustaka Negeri Sarawak, 28 Mar 2022)

Source Link: https://noc.ac.uk/files/documents/business/Tidal-River-Bores.pdf