can be seen in several locations around the world where sea water is funneled by a river, though the Qiantang bore is one of the largest.
A tidal bore
sweeps up the River Dee at Queensferry on Friday morning - with a bigger and better one expected to draw crowds this weekend Picture: ROBERT PARRY JONES
Basically, a tidal bore
is a wave of translation, a hydraulic shock wave formed by a rolling wall of water.
This breakup of the tidal bore
into successively smaller solitary waves is intimately related to the fact that the speed of these waves is proportional to their amplitude.
A tidal bore
is expected to be seen along the River Mersey tomorrow.
The tidal bore
is the reason the Amazon does not have a protruding delta; the ocean rapidly carries away the vast volume of silt carried by the Amazon, making it impossible for a delta to grow past the shoreline.
As soon as the winds stopped, the waters would come rushing back, much like a tidal bore
Iain also goes to the Amazon basin to race ahead of the longest tidal bore
in the world as the wave rips along a river mouth for 25 kilometres, reversing the river's flow.
Experts from Bangor University are carrying out research in the canalised section of the Dee to assess how the tidal bore
effects the disposal of sediment.
In addition to concerns over wildlife and fish stocks, some river advocacy groups stress the negative impact of the causeway on the tourist industry: one local attraction, the tidal bore
, has been practically nonexistent since the building of the causeway.
37 metres on September 29, when a large tidal bore
There were reports of 30 injuries after people were swamped by the tidal bore
as they attempted to snap the wave inland.
7 "e tide takes just over two hours to come in, and there is a tidal bore
on the river which has shifting and changing sandbanks and channels.
This would have created a land bridge about two miles long and three miles wide for four hours before the waters would have rushed back, like a tidal bore
, the scientists report in online journal Public Library of Science ONE.
When people talk about seeing the world, they rarely mean racing the world's longest tidal bore
as it surges up the Amazon River - as Dr Stewart does tonight.