Processed ship-based Multibeam Sonar Data acquired during the Maurice Ewing expedition EW9903 (1999)

This data set was acquired with a ship-based Atlas Hydrosweep DS Multibeam Sonar system during Maurice Ewing expedition EW9903 conducted in 1999 (Chief Scientist: Dr. Alistair Harding). These data files are of MBSystem Compatible format and include Swath Bathymetry data and were processed at sea using the open source MB-System multibeam sonar processing software. Data were acquired as part of the project(s): Structure of Oceanic Crust Formed at 200 mm/yr. Spreading Rate, and funding was provided by NSF grant(s): OCE98-11948 and OCE98-12612.