List of tidal barrages

A barrage in Rockhampton

A tidal barrage is an artificial obstruction at the mouth of a tidal watercourse, in contrast to a normal barrage along a river's inland course.

Purpose

The common primary functions of a barrage are:

Increase the depth of a river (similar to a weir)
Maintain a separation between fresh and salt water
Reduce the risk of tidal flooding up the river

Secondary functions may include:

Tidal power generation
Artificial whitewater leisure centres

Notable barrages

Partial view of the West Sea Barrage near Namp'o, North Korea in 1989

Lock in Cardiff Bay Barrage

Marina barrage bridge

Proposed barrages

Severn Barrage across the River Severn between Wales and England

See also

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.