Processed ship-based Multibeam Sonar Data (version 2) acquired in the Cascadia Focus Site during the Atlantis expedition AT18-07 (2011)

This data set was acquired with a ship-based Kongsberg EM122 Multibeam Sonar system during Atlantis expedition AT18-07 conducted in 2011 (Chief Scientist: Dr. Andrew Fisher). These data files are of MBSystem format and include Sidescan, Swath Bathymetry, 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 2.3.