From 1 - 10 / 2427
  • The product "Distribution of the submarine dunes of the French continental shelf" contains digital vector data provided as 2D linear objects representing the crest of submarine dunes digitized from bathymetric surveys conducted by the Shom. When several surveys have been carried out on the same area or dune, the product contains the information from all the surveys. However, the data displayed on data.shom.fr is limited to the information from the most recent survey.

  • This product includes a map of the peaks of around 3,000 submarine dunes entered using bathymetric surveys by Shom. Each dune is marked out by a line showing its peak summit. Dune locations are precise to between 1 m (MBES data from the 2000-2010 period) and a dozen metres (data acquired prior to 2000 using a side sonar). The precision of the carrier location, the acquisition system and the MBES resolution (the distance between the systems acquired) also affect map precision. Submarine dunes can move at the rate of a few metres per year, but can also exceed 30 m/year. The precision of dune positions will therefore decrease with the age of the measurement.

  • The product "Distribution of the submarine dunes of the French continental shelf" contains digital vector data provided as 2D linear objects representing the crest of submarine dunes digitized from bathymetric surveys conducted by the Shom. When several surveys have been carried out on the same area or dune, the product contains the information from all the surveys. However, the data displayed on data.shom.fr is limited to the information from the most recent survey.

  • Image numérique scannée non géoréférencée de la 1980_08_065 Date de création : 1979 Support de l'original: Dimensions : 1180mm x 753mm

  • Image numérique scannée non géoréférencée de la Topographie 005_6_10 Date de création : 1963 Support de l'original: Dimensions : 753mm x 535mm

  • Image numérique scannée non géoréférencée de la Imagerie SMF et nature de fond 2006_03_05 Date de création : 2005 Support de l'original: Film polyester Dimensions : 1100mm x 750mm Description : ImaN 10-1, rapport particulier n° 367 MHA/NP du 24/10/2006.

  • Image numérique scannée non géoréférencée de la Carte superposable à la minute P 1999_12_26.2 Date de création : 1996 Support de l'original: Dimensions : 1096mm x 840mm

  • Image numérique scannée non géoréférencée de la Bathymétrie 2001_64_02 Date de création : 1996-1997 Support de l'original: Film polyester Dimensions : 1150mm x 755mm Description : B 10-65, rapport particulier n° 118 MOP/UHNC/NP du 14/04/1998.

  • Image numérique scannée non géoréférencée de la Ecriture de sondes 016_1_57 Date de création : 1898 Support de l'original: Dimensions : 1156mm x 870mm

  • Image numérique scannée non géoréférencée de la Bathymétrie 1977_10_26 Date de création : 1977 Support de l'original: Dimensions : 756mm x 1170mm