MGD77 Data (Bathymetry, Geomagnetism, Gravity)
Outline of MGD77 Data (Bathymetry, Geomagnetism, Gravity)
MGD77 data is 1 file per one cruise (navigation). This file is comprised of "header record" recording such as information of observation method, observation equipment, data processing method and "data record" recording observation data such as bathymetry, geomagnetism, gravity.
Data Source : Japanese related institutes and US National Geophysical Data Center Sea Area : Whole sea areas centered on the seas around Japan Period : 1949 - 2002 Data Volume : 622 Files Bathymetry : 2,133,777 Points Geomagnetism : 4,636,814 Points Gravity : 4,472,594 Points