Floodgates, also called stop gates, are adjustable gates used to control water flow in flood barriers, reservoir, river, stream, or levee systems. They may be designed to set spillway crest heights in
Tokyo floodgates created to protect from typhoon surges
The Thames Barrier is a retractable barrier system built to protect the floodplain of most of Greater London from exceptionally high tides and storm surges moving up from the North Sea. It has been op
Floodgate
…Canal lock Thames Barrier Delta Works Oosterscheldekering…
View of the barrier gates, which are closed when a high tide is forecast
Far view of the River Thames Flood Barrier
The barrier from Silvertown on the north bank of the river during normal operation, looking across to New Charlton