International Bathymetric Chart of the Southern Ocean

The International Bathymetric Chart of the Southern Ocean (IBCSO) is a regional mapping initiative of the General Bathymetric Chart of the Oceans (GEBCO). IBSCO receives support from the Nippon Foundation – GEBCO Seabed 2030 Project.

Source: Wikipedia — International Bathymetric Chart of the Southern Ocean (CC BY-SA 4.0)