In Geophysical Surveys

Seafloor mapping and classification



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COLMAR III survey vessel

Seafloor mapping and classification

These surveys are carried out every time is requested to know in details the seafloor morphology and habitats:

• Inside harbors to check minimum draft, for dredging estimation or as preliminary survey;
• Outside the port to monitor erosion phenomena, sensitive habitats or to observe the effect of a beach nourishment;
• In open water as preliminary survey for marine constructions (wind farms, oil and gas facilities, pipe and cable laying).


Fast and accurate methodologies can provide a seabed image of wide areas with the full coverage.

Technical specifications

• Dual frequencies (100-500 kHz) side scan sonar

• Acoustic backscattering from high frequency multibeam system

• Real time mosaicing

• Fast data playback for quality assessment


Product sheet