Processed ship-based Multibeam Sonar Data (version 2) acquired in the Philippine Sea during the Roger Revelle expedition RR0912 (2009)

This data set was acquired with a ship-based Kongsberg EM122 Multibeam Sonar system during Roger Revelle expedition RR0912 conducted in 2009 (Chief Scientist: Dr. Ren-Chieh Lien). These data files are of MBSystem format and include Acoustic Backscatter, Sidescan, and Swath Bathymetry 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): Process Study of Oceanic Responses to Typhoons using Arrays of EM-APEX Floats and Moorings.