Getting More From Less

The back of each floating island would be hinged to the existing flood wall (right-hand side of image), so that as water levels rise the buoyant pontoon rises into a tilted position becoming a solid and safe flood barrier in itself.

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Getting More From Less

Floating gardens in the Thames that double as flood barriers

In the Thames Estuary, the risk of flooding is high. Tidal defenses have been steadily built up since Roman times and now include the famous Thames Flood Barrier. But these flood prevention schemes have separated London's blue and green infrastructure networks and climate change adaptation is likely to further limit the interaction between the river and the city behind it.

This project proposes using a series of floating gardens to overcome this disconnect. Together, these gardens would form a linear park below the flood defense walls.

Each island would be type of pontoon, possessing buoyancy chambers and a 'U-shaped' cross section similar to a dry dock. In the event of flooding, foldable bridges and cable winches would enable the islands to be automatically moved into place to form part of the flood barrier.


River Thames


Thames Flood Barrier

Submitted by

Andreas Luka

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