Raw underway marine gravity data from the French civil Research vessels and archived at SISMER (IFREMER)

Raw underway marine magnetic data collected on board of the French civil Research vessels and archived at SISMER (IFREMER)

Reflectivity measurements of the multibeam echosounders of the French Research Vessels

Raw singlebeam echosounder data from the French civil Research vessels, archived at SISMER (IFREMER)

Sidescan sonar data of the French Research Vessels, archived at SISMER (IFREMER)

Multibeam echosounder data from the French civil Research vessels, archived at SISMER (IFREMER)