General interest

GEBCO is involved in creating and making available data sets and maps showing the shape of the seafloor. Rather than being a flat and featureless plain, the seafloor consists of deep basins, vast mountain chains and long ocean trenches. This landscape helps steer ocean currents that in turn affect climate, and influences hazards facing coastal communities like approaching tsunamis.

Access a set of Frequently Asked Questions (FAQs) about bathymetry data, GEBCO and its work.

Access images showing the shape of the seafloor

Hear about the perspectives of the impact of the programme from GEBCO colleagues and scholars.

Scholars from the Nippon Foundation/GEBCO Training Programme (class of 2010/2011) have produced a video about GEBCO and mapping the seafloor:



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