The coastal topo- bathymetric DEM for the coasts of Boulogne-Sur-Mer with a resolution of 0.0001° (~ 10 m) was prepared as part of the TANDEM project (Programme Investissements d'Avenir, ANR-11-RSNR-00023-01). The DEM covers the entire Boulogne-sur-Mer port, from north of Wimereux to south of the Boulogne-sur-Mer urban sprawl. The DEM is designed to be implemented in the hydrodynamic models of the TANDEM project in order to estimate the coastal effects of tsunamis for the Atlantic and English Channel, where French nuclear power plants have been installed for about 30 years. This product is available with the Lowest Astronomic Tide (LAT) or the Mean Sea Level (MSL) as a vertical datum.

Litto3D® is a unique and continuous land-sea database which provide 3D models of french coastal areas. Surveys are carried out by airborne lidar bathymetry over the sea side and airborne lidar topography over the land up to 2km inland. Litto3D® digital models are available in two formats: a set of 3D points and a digital terrain model. The product "Litto3D® - Brittany 2018-2021" covers the coastline and islands of Côtes d'Armor, Ille-et-Vilaine and Morbihan departments.

Bathymetric datasets, collected between 1990 and 2005, are digital data controlled and qualified. They are acquired with single-beam echosounders and the first generations of multi-beam echosounders.

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 data acquisition zones, and the associated survey readings obtained using bathymetric lidar technologies or multibeam echosounders for sea readings and airborne lidar topographical surveys for land readings, with 300 m overlap. Litto3D digital models are available in two formats: a set of 3D points and a qualified terrain mesh. The product Bora Bora SAU 2015 v.20160630 covers a geographical area corresponding to the whole island, the lagoon and the reef of Bora Bora.

Litto3D provides 3D, continuous sea-land description of French coastal areas. Data is acquired by airborne topo-bathymetric LiDARs. Litto3D products come in 3D point clouds and digital terrain models formats. Litto3D Saint-Pierre-and-Miquelon product covers land area of the islands as well as bathymetry down to approx. 20m.

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 ranges off-shore to a depth of 3000 m. The DEM is designed to be used in hydrodynamic models in order to produce high-precision forecasts for coastal water levels and sea conditions and therefore improve the pertinence of the Waves-Submersion monitoring programme. This product is available with the Lowest Astronomic Tide (LAT) or the Mean Sea Level (MSL) as a vertical datum.

The coastal topo-bathymetric DEM of Tahiti with a resolution of 0.0002° (~ 20 m) was produced by the Shom for Météo-France (Inter-regional Direction in French Polynesia). This DEM covers the Tahiti lagoons down to the 100 m isobath, in order to meet the need for modeling marine submersions in French Polynesia. It complements the bathymetric DEM of Tahiti and Moorea, with a resolution of 0.001° (~ 100 m). The vertical reference for this product is the Lowest Astronomical Tide (LAT).

The high resolution Coastline corresponds to the Highest Astronomical Tide (HAT) with a tidal coefficient of 120 and in normal weather conditions (no sea breeze and mean atmospheric pressure of 1013 hPa). The high resolution coastline is available in french subantarctic islands (984).

The high resolution Coastline corresponds to the Highest Astronomical Tide (HAT) with a tidal coefficient of 120 and in normal weather conditions (no sea breeze and mean atmospheric pressure of 1013 hPa).

The bathymetric DEM for the coasts of Guadeloupe and Martinique with a resolution of 0.001° (~ 100 m) was prepared as part of the HOMONIM project. The DEM covers some of the Lesser Antilles islands, from Anguilla in the north to Saba in the south. The model ranges off-shore to a depth of 3275 m. The DEM is designed to be used in hydrodynamic models in order to produce high-precision forecasts for coastal water levels and sea conditions and therefore improve the pertinence of the Waves-Submersion monitoring programme.