Processed ship-based Multibeam Sonar Data (version 2) acquired near the Cascadia Subduction Zone during the Thomas G. Thompson expedition TN268 (2011)

This data set was acquired with a ship-based Kongsberg EM302 Multibeam Sonar system during Thomas G. Thompson expedition TN268 conducted in 2011 (Chief Scientist: Dr. John Delaney). These data files are of MBSystem format and include Swath Bathymetry, Sidescan, and Acoustic Backscatter data and were processed by the GMRT Team using the open source MB-System multibeam sonar processing software as part of the GMRT Synthesis effort. These data are included in the GMRT Synthesis, version 2.4. Data were acquired as part of the project(s): Visions-11 cruise with extra day for Cascadia Initiative OBS (FN4B) Recovery.