Shapefile of Processed ship-based Navigation Data acquired during the Vema expedition V2813 (1971)

This data set was acquired with a ship-based Navigation system during Vema expedition V2813 conducted in 1971 (Chief Scientist: Dr. John Ladd). These data files are of Shapefile format and include Navigation data and were processed after data collection.本数据集由船载导航系统采集于1971年开展的Vema考察航次V2813（首席科学家：John Ladd博士）。本次数据文件采用形状文件（Shapefile）格式，包含导航数据，且均在数据采集完成后进行了后处理。