Processed ship-based Multibeam Sonar Data acquired along the Japan Trench in the western North Pacific Ocean during the Thomas Washington expedition RNDB09WT (1988)

This data set was acquired with a ship-based SeaBeam Classic Multibeam Sonar system during Thomas Washington expedition RNDB09WT conducted in 1988 (Chief Scientist: Dr. Woody Sutherland). These data files are of MBSystem format and include Swath Bathymetry data that have not been processed. These data are included in the GMRT Synthesis, version 1. Data were acquired while the Thomas Washington was in transit.