Processed ship-based Multibeam Sonar Data (version 2) acquired in the eastern Pacific Ocean during the Thomas Washington expedition TO9002WT (1990)

This data set was acquired with a ship-based SeaBeam Classic Multibeam Sonar system during Thomas Washington expedition TO9002WT conducted in 1990 (Chief Scientist: Dr. Charles C Eriksen). These data files are of MBSystem format and include Swath Bathymetry data and were processed by the at-sea science party and the GMRT Team using the open source MB-System multibeam sonar processing software. These data are included in the GMRT Synthesis, version 1.