Multibeam bathymetry raw data (Kongsberg EM 712 entire dataset) of RV MARIA S. MERIAN during cruise MSM86

• Main Authors: Bach, Wolfgang, Kramer, Laura, Strack, Anne
• Format: Dataset
• Language: English
• Published: PANGAEA 2022
• Subjects: Bathymetry; Binary Object; Binary Object (File Size); Binary Object (Media Type); Boyd Seamount; Comment; CTD/Rosette; CTD-RO; Data file recording distance; Data file recording duration; DATE/TIME; ELEVATION; EM712; Event label; File content; Kongsberg datagram raw file name; LATITUDE; LONGITUDE; Maria S. Merian; MSM86; MSM86_0_Underway-1; MSM86_003; MSM86_016; MSM86_043; MSM86_067; MSM86_074; MSM86_103; Multibeam Echosounder; North Atlantic; Number of pings; Seamounts; Ship speed; Start of data file; depth; heading; Start of data file recording; Stop of data file; Stop of data file recording
• Online Access: https://doi.pangaea.de/10.1594/PANGAEA.944518; https://doi.org/10.1594/PANGAEA.944518

The hydroacoustic surveys carried out during MARIA S. MERIAN cruise MSM86 were aimed at acquiring detailed information of the areas of interest (Boyd Seamount; Logi Ridge; Vesteris; Vestnesa Ridge) with respect to backscatter and bathymetry. The shallow to medium water MBES KONGSBERG EM712 system was only operating in water depths above about 1000 m. Hydroacoustic surveys were usually conducted with a vessel speed of maximum 6 kn, while for some few sub-bottom profiles, a reduced speed of about 4 kn was applied. During transits the vessel speed was increased to 8-12 kn, depending on weather conditions. Sound velocity profiles were uploaded into the recording system online. Data are unprocessed and therefore may contain incorrect depth measurements (artifacts) without further processing.