Ship-based Trackline Geophysical Data (MGD77) acquired during the Vema expedition V3012 (1973)

This data set was acquired with a ship-based Gravimeter, Magnetometer, and Echosounder Sonar during Vema expedition V3012 conducted in 1973 (Chief Scientist: Dr. Anthony Watts). These data files are of MGD77 format and include Gravity Field, Magnetic Field, and Singlebeam Bathymetry data and were processed after data collection.本数据集采集于1973年开展的Vema科考航次V3012（首席科学家：Anthony Watts博士），搭载船载重力仪、磁力仪与回声测深声呐获取数据。本次数据文件采用MGD77格式，包含重力场、磁场与单波束测深数据，且均在数据采集完成后进行了处理。