Processed ship-based Multibeam Sonar Data (version 2) acquired near the Cascadia Subduction Zone and off the coast of California during the Roger Revelle expedition DRFT01RR (2001)

This data set was acquired with a ship-based Kongsberg EM120 Multibeam Sonar system during Roger Revelle expedition DRFT01RR conducted in 2001 (Chief Scientist: Dr. Fred N. Spiess). 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 2.0.