High Resolution Swath Bathymetric Sea-bed Mapping with the ROV Victor 6000

摘要

Ifremer’s deep-sea ROV Victor 6000 has been equipped with a shortrnrange multibeam echosounder in order to accomplish high resolutionrnbathymetric survey for scientific purposes. Specific efforts for thernmultibeam integration also concern the onboard navigation system asrnwell as the optical high bandwidth data link transmitting data to thernsurface vessel.rnThe in-line mapping display and data control allowed by the use of anrnROV does not reduce the need for data cleaning, correcting and postprocessing.rnIfremer’s in-house developed CARAIBES Software? hasrnbeen used for this step.rnThree cruises led by international scientific parties have made evidentrnthe interest in sub-metric bottom mapping; they are presented in thisrnpaper in order to illustrate different kinds of survey strategies.rnAfter prototyping and comparison of off-the-shelf multibeam sounders,rna permanent survey module is now in project.