Shoreline

Bed

Sens commun

Maritime area of the foreshore conceded for shellfish farming activity. The duration of the concession is 35 years.

Source

According to Ifremer

Tidal movement

Sens commun

Circulation of sea water masses, including vertical displacements due to the tide and horizontal displacements due to tidal currents.

Source

According to the International Hydrographic Organization

Nautical mile

Sens commun

Unit of length traditionally used in navigation, i.e. 1,852 m. Not to be mistaken with the mile, Anglo-Saxon measurement of length, i.e. 1,609 m.

Source

According to Ifremer

Nautical meteorology

Sens commun

Marine meteorology when it concerns navigation. It essentially deals with sea conditions and forecast, visibility, wind, etc.

Source

According to the International Hydrographic Organization

Territorial sea

Sens commun

Sovereign base area of a coastal tate of 12 miles width (at most) from its baselines.

Source

d'après Organisation Hydrographique Internationale

Multi-periodic change of the sea level, the main part of which is the astronomical tide. Wave phenomenon caused by the gravitational attraction of the sun and the moon, which affects the surface of the oceans and seas.

Source

According to the International Hydrographic Organization

Green tide

Sens commun

Pollution caused by the stranding of large amounts of green algae (sea lettuces) on the beaches.

Source

According to Ifremer

Earth tide

Sens commun

Periodic motion of the earth's crust, caused by the tide-generating force due to the moon and the sun.

Source

According to the International Hydrographic Organization

Black tide

Sens commun

Massive pollution by hydrocarbons.

Source

According to Ifremer

Tidal power

Sens commun

Tidal energy that can be captured by using the tidal currents to turn wheels or turbines. Example from the Middle Ages include existing tidal mills, but also the Rance tidal power plant in Ille-et-Vilaine.

Source

According to Ifremer