They are aiming to establish the tidal flow rate at various depths in order to assess the river's potential to generate electricity.

BBC: Research into River Dart's tidal power potential

When the water levels rise, air will be pumped into the barriers raising them up to block the tidal flow and protect the city from flooding.

CNN: New satellite data reveals sea-level rise

New designs are going a long way toward addressing the issue of finding sites with suitably high tidal ranges or flow velocities.

FORBES: Wave Energy: The Latest Battleground in the Conservation vs. Innovation Debate

Ebb-tidal current: flow of water in a given direction that takes place between high water and low water.

UNESCO: L O S S A R Y

One proposal: a set of giant movable gates to be built on the land separating Lake Pontchartrain from the Gulf that when closed could block tidal surges, and when open, improve water flow.

FORBES: Magazine Article

About 10 hectares of tidal salt marsh is being created by two outfall pipes which are opened to allow water to flow in and out.

BBC: Salt marsh returns to bomb site at South Efford reserve