Strong easterly winds and tidal currents have also taken their toll on wildlife along the coast.

BBC: Clearing coastal sand drifts 'remains a priority'

The device is designed to generate energy from tidal currents on the seabed.

BBC: Pembrokeshire tidal energy scheme in ?1.6m EU boost

Ebb-tide delta: an accretionary deposit of sand found on the seaward side of an inlet and usually formed by tidal currents.

UNESCO: L O S S A R Y

Flood-tide delta: accretionary deposit of sand found on the bay or river side of an inlet and usually formed by tidal currents.

UNESCO: L O S S A R Y

Tidal currents exceed 12 knots at times, creating tidal rapids with massive whirlpools that can make the sea look more like a raging river.

FORBES: Canadian Pipeline Wars

They are mainly transported over longer distances on boat hulls, but larvae and fragments can also be spread by fishing equipment, the movement of fishing nets and tidal currents.

BBC: Seas squirt invades Strangford Lough

They remained there for thousands of years and eventually tidal currents and dredging released the fossilised remains, which were caught in the fishing nets of a trawler earlier this year.

BBC: Tim Batty, curator of the Dinosaur Museum, with the tusks

Martin Wright, managing director of Marine Current Turbines, said Strangford Lough had one of the strongest tidal currents in the British Isles and was therefore "a perfect location for us to test a pre-commercial device".

BBC: NEWS | UK | Northern Ireland | Sea power to provide electricity

In the realm of the literary arts, Mr. Magill has a field day, zeroing in on Rousseau as the source of our modern literary obsession with sincerity, which the author finds manifest in German and English Romanticism, American Transcendentalism, French Symbolism and other currents that come to look like a tidal wave in favor of finding and flaunting the unvarnished self.

WSJ: Book Review: Sincerity