The product contains a description of submarine cables and pipelines brought to the attention of Shom on French areas of responsibility. These are 2D linear objects of the seabed that divide into two categories: • The submarine cables: these are cables placed on the seabed where electricity or information (telecommunication) flows. They represent the vast majority of objects (more than 90%); • Emissaries and submarine pipes: these are pipes that allow the discharge, sampling or circulation of fluids.

La base de données du SHOM contient environ 1300 conduites et câbles sous-marins répartis dans les eaux de responsabilité cartographique française. Outre la position géographique, certaines caractéristiques, lorsqu'elles sont connues, sont renseignées : nature, nationalité, nom...