The GEBCO 30-arc-second gridded bathymetric dataset.
figure
posted on 2020-07-01, 17:34 authored by Motoharu Sonogashira, Michihiro Shonai, Masaaki IiyamaAlthough it covers the oceans all over the globe, its resolution is low and each sea area is sampled coarsely, as seen in the bottom right closeup.
