The tide gauge, which has just been installed at the Port d'Armor, in Saint-Quay-Portrieux (Côtes-d'Armor), will improve the knowledge of the tides and alerts to submersion waves. Vincent Donato, head of the tides and currents department at the Naval Hydrographic and Oceanographic Service in Brest, explains how it works.
What is a tide gauge?
It is a device for continuous measurements of the sea level. Historically, the first devices were used to measure
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