Lidar marine part is a unique and continuous land-sea database which can provide 3D models of the shape and location of French coastal terrain. A line separates sea and land...

The land-sea limit corresponds to the Highest Astronomical Tide (HAT) in the case of a tide of coefficient 120 and under normal meteorological conditions (no offshore wind and...

The product “Maritime limits and boundaries” (French: “Délimitations maritimes”) gathers all the elements used for the definition of the maritime spaces under the French...

"Regulation - Navigation" product contains 18 object classes, the acronyms used are those of IHO standard S-57 - International Hydrographic Organization – (https://iho.int/): -...

"Traffic Separation Schemes" product contains a description of TSS in French maritime spaces. A TSS is a routeing measure aimed at the separation of opposing streams of traffic...

The Port Information product contains 13 object classes, the acronyms used are those of the IHO - International Hydrographic Organisation - standard S-57 (https://iho.int/): -...

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...

Wave forecasting models allow the representation of offshore sea states, at the global or ocean basin scale, based on spectral resolution. This code calculates the evolution of...

To model water levels (including astronomical tides and meteorological surges), the Shom uses a barotropic (2D) version of the HYCOM code (https://hycom.org/) configured on 2...

Shom uses HYCOM 3D (Hybrid Coordinate Ocean Model) digital models to model changes to the ocean environment (currents, temperature, salinity, water depth). These HYCOM 3D models...

Information layer containing the SAR Zones (Search and Rescue). This layer contains a description of the French search and rescue (SAR) areas and the location of the associated...

The product "Wrecks and obstructions" contains a description of wrecks, obstructions or underwater rocks in the French exclusive economic zone (EEZ). The objects of the product...

The product "Aids ton navigation" contains a description of landmarks, beaconage or buoyage, present in the French Exclusive Economic Zone (EEZ) at the date of this edition.

Sea bed sediment maps for the 4 marine sub-regions of France prepared as part of the initial evaluation of the MSFD (Marine Strategy Framework Directive).

A bathymetric DEM for the coasts of Gulf of Lion – Côte d’Azur with a resolution of 0.001° (~ 100 m) was prepared as part of the HOMONIM project. It covers the entire...

The bathymetric DEM for the coasts of Corsica with a resolution of 0.001° (~ 100 m) was prepared as part of the HOMONIM project. It covers the entire Corsican margin. The model...

Litto3D Marine Part is an intermediate product of the Litto3D product containing only marine data.Litto3D is a unique and continuous land-sea database which can provide 3D...

Litto3D is a unique and continuous land-sea database which can provide 3D models of the shape and location of French coastal terrain. A line separates sea and land data...

The Litto3D product is a unique and continuous land-sea altimetry database providing a three-dimensional representation of the shape and position of the ground on the coastal...

Litto3D Marine Part is an intermediate product of the Litto3D product containing only marine data.Litto3D is a unique and continuous land-sea database which can provide 3D...