Current knowledge in tidal bores and their environmental,ecological and cultural impacts |
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Authors: | Hubert Chanson |
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Institution: | 1.School of Civil Engineering,The University of Queensland,Brisbane,Australia |
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Abstract: | A tidal bore is a series of waves propagating upstream as the tidal flow turns to rising. It forms during the spring tide
conditions when the tidal range exceeds 5–6 m and the flood tide is confined to a narrow funnelled estuary with low freshwater
levels. A tidal bore is associated with a massive mixing of the estuarine waters that stirs the organic matter and creates
some rich fishing grounds. Its occurrence is essential to many ecological processes and the survival of unique eco-systems.
The tidal bore is also an integral part of the cultural heritage in many regions: the Qiantang River bore in China, the Severn
River bore in UK, the Dordogne River in France. In this contribution, the environmental, ecological and cultural impacts of
tidal bores are reviewed, explained and discussed. |
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Keywords: | |
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