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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:

Notable barrages

See also: Category:Tidal barrages

This section needs expansion. You can help by adding to it. (October 2008)

Partial view of the West Sea Barrage near Namp'o, North Korea in 1989
Lock in Cardiff Bay Barrage
Marina barrage bridge

Power Station Barrages

Proposed barrages

Severn Barrage across the River Severn between Wales and England
Mersey Barrage across the Mersey Estuary in England

See also

Categories