Processed ship-based Multibeam Sonar Data (version 2) acquired in the Lau Back-arc Basin during the Roger Revelle expedition RR0917 (2009)

This data set was acquired with a ship-based Kongsberg EM122 Multibeam Sonar system during Roger Revelle expedition RR0917 conducted in 2009 (Chief Scientist: Dr. Bruce Appelgate). 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 2.4. Data were acquired while the Roger Revelle was in transit.