This data set was acquired with a ship-based Atlas Hydrosweep DS Multibeam Sonar system during Maurice Ewing expedition EW9201 conducted in 1992 (Chief Scientist: Dr. Steve Cande). These data files are of MBSystem format and include Swath Bathymetry data and were processed at sea using the open source MB-System multibeam sonar processing software. These data are included in the GMRT Synthesis, version 1. Data were acquired as part of the project(s): A High Resolution Plate Kinematic Flowline of the Pacific-Antarctic Ridge, and funding was provided by NSF grant(s): OCE91-03573.

This data set was acquired with a ship-based SeaBeam Classic Multibeam Sonar system during Robert D. Conrad expedition RC2711 conducted in 1986 (Chief Scientist: Dr. Steve Cande). 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.

This data set was acquired with a ship-based Kongsberg EM120 Multibeam Sonar system during Nathaniel B. Palmer expedition NBP0607A conducted in 2006 (Chief Scientist: Dr. Marcel Croon; Investigator(s): Dr. Steve Cande and Dr. Joann Stock). These data files are of MBSystem Compatible format and include Acoustic Backscatter, Swath Bathymetry, and Sidescan data that have not been processed. Data were acquired as part of the project(s): Late Cretaceous and Cenozoic Reconstructions of the Southwest Pacific, and funding was provided by NSF grant(s): ANT03-38317 and OPP03-38346.

This data set was acquired with a ship-based Kongsberg EM120 Multibeam Sonar system during Nathaniel B. Palmer expedition NBP0403 conducted in 2004 (Chief Scientist: Dr. Steve Cande; Investigator(s): Dr. Steve Cande and Dr. Joann Stock). These data files are of MBSystem Compatible format and include Acoustic Backscatter, Swath Bathymetry, and Sidescan data that have not been processed. Data were acquired as part of the project(s): Late Cretaceous and Cenozoic Reconstructions of the Southwest Pacific, and funding was provided by NSF grant(s): OPP01-26334, OPP01-26340, and ANT03-38317.

This data set was acquired with a ship-based Kongsberg EM120 Multibeam Sonar system during Nathaniel B. Palmer expedition NBP0507 conducted in 2005 (Chief Scientist: Dr. Marcel Croon; Investigator(s): Dr. Steve Cande and Dr. Joann Stock). These data files are of MBSystem Compatible format and include Acoustic Backscatter, Swath Bathymetry, and Sidescan data that have not been processed. Funding was provided by NSF grant(s): ANT03-38317 and OPP03-38346.

This data set was acquired with a ship-based Kongsberg EM120 Multibeam Sonar system during Nathaniel B. Palmer expedition NBP0207 conducted in 2002 (Chief Scientist: Dr. Steve Cande; Investigator(s): Dr. Steve Cande and Dr. Joann Stock). These data files are of MBSystem Compatible format and include Acoustic Backscatter, Swath Bathymetry, and Sidescan data that have not been processed. Data were acquired as part of the project(s): Late Cretaceous and Cenozoic Reconstructions of the Southwest Pacific, and funding was provided by NSF grant(s): OPP98-15283.

This data set was acquired with a ship-based Atlas Hydrosweep DS Multibeam Sonar system during Maurice Ewing expedition EW9513 conducted in 1995 (Chief Scientist: Dr. Steve Cande). These data files are of MBSystem Compatible format and include Acoustic Backscatter and Swath Bathymetry data that have not been processed. Data were acquired as part of the project(s): Early Tertiary Tectonic Evolution of the Pacific-Australia-Antarctic Plate Circuit, and funding was provided by NSF grant(s): OCE94-16779 and OCE94-16989.

This data set was acquired with a ship-based Kongsberg EM120 Multibeam Sonar system during Nathaniel B. Palmer expedition NBP0304D conducted in 2003 (Chief Scientist: Dr. Steve Cande). These data files are of MBSystem Compatible format and include Acoustic Backscatter, Swath Bathymetry, and Sidescan data that have not been processed. Data were acquired as part of the project(s): Production Observation Through Another Translatitudinal Oceanic Expedition (POTATOE) and Late Cretaceous and Cenozoic Reconstructions of the Southwest Pacific, and funding was provided by NSF grant(s): OPP01-25172, OPP01-26334, OPP01-26340, and ANT03-38317.

This data set was acquired with a ship-based Kongsberg EM120 Multibeam Sonar system during Nathaniel B. Palmer expedition NBP0304C conducted in 2003 (Chief Scientist: Dr. Steve Cande). These data files are of MBSystem Compatible format and include Acoustic Backscatter, Swath Bathymetry, and Sidescan data that have not been processed. Data were acquired as part of the project(s): Production Observation Through Another Translatitudinal Oceanic Expedition (POTATOE) and Late Cretaceous and Cenozoic Reconstructions of the Southwest Pacific, and funding was provided by NSF grant(s): OPP01-25172, OPP01-26334, OPP01-26340, and ANT03-38317.

This data set was acquired with a ship-based Kongsberg EM120 Multibeam Sonar system during Nathaniel B. Palmer expedition NBP0304 conducted in 2003 (Chief Scientist: Dr. Steve Cande). These data files are of MBSystem Compatible format and include Acoustic Backscatter, Swath Bathymetry, and Sidescan data that have not been processed. Data were acquired while R/V Nathaniel B. Palmer was in transit, and funding was provided by NSF grant(s): OPP98-15283.