Ship-based Trackline Geophysical Data (MGD77) acquired during the Maurice Ewing expedition EW9912 (1999)

This data set was acquired with a ship-based Atlas Hydrosweep DS Multibeam Sonar system and BellAerospace BGM-3 Gravimeter during Maurice Ewing expedition EW9912 conducted in 1999 (Chief Scientist: Dr. Doug Capone). These data files are of MGD77 format and include Gravity Field and Singlebeam Bathymetry data and were processed after data collection. Data were acquired as part of the project(s): Nitrogen Fixation as a Source of New Nitrogen in the Oligotrophic Tropical Oceans, and funding was provided by NSF grant(s): OCE96-33510, OCE96-33744, and OCE99-96347.