Processed ship-based Multibeam Sonar Data (version 2) acquired near the Tonga Trench during the Roger Revelle expedition KIWI11RR (1998)

This data set was acquired with a ship-based SeaBeam 2112 Multibeam Sonar system during Roger Revelle expedition KIWI11RR conducted in 1998 (Chief Scientist: Dr. Nancy Kanjorski). 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 2.0.