Floating dam

An anchored dam.
A caisson used as a gate for a dry dock.

See also: Floating, Floating

References in periodicals archive ?
Contract notice: maintenance of the floating dam of the supply canal of the st-alban npp
The brainchild of innovation architect, John Dobozy (see Ecos 118), the Aquadam will capture and store rainwater, stormwater and desalinated seawater in a flexible, floating dam sited some 2 to 5 km out to sea.
The new solution sees the implementation of containment booms, which will act as giant floating dams, trapping any oil spill to stop it spreading too far.
To capture the waste derived over water, SIAAP installed 26 floating dams on the Seine and the Marne.