Ship-based Trackline Geophysical Data (MGD77) acquired during the Vema expedition V1515 (1959)

This data set was acquired with a ship-based Echosounder Sonar during Vema expedition V1515 conducted in 1959 (Chief Scientist: Dr. Jack Nafe). These data files are of MGD77 format and include Singlebeam Bathymetry data and were processed after data collection.本数据集采集于1959年开展的Vema探险队V1515航次（首席科学家：Jack Nafe博士），采用船载回声测深声呐（ship-based Echosounder Sonar）完成数据采集。本次数据文件采用MGD77格式，包含单波束测深（Singlebeam Bathymetry）数据，且已在数据采集完成后进行了处理。