Information on surveys (hydroacoustics, coring, cone penetration testing) in the North Sea and in the Baltic Sea. Data on the distribution of seabed sediments in the North Sea and the Baltic Sea of various scales and classifications. Data on tectonic events and paleogeographic structures in the North Sea and the Baltic Sea. Data on the composition of subsurface sediments in the North Sea and in the Baltic Sea.

Data on the distribution of seabed sediments in the North Sea and the Baltic Sea of various scales and classifications.