GEBCO Global Ocean Bathymetry
General Bathymetric Chart of the Oceans providing the most authoritative publicly available gridded bathymetry of the world's oceans derived from satellite altimetry and ship soundings at 15 arc-second resolution
gebco.net
At a glance
- Region
- Global
- Coverage
- Global oceans, 15 arc-second (~450m) resolution
- Access
- Free
- Category
- International
What's inside
- Ocean Bathymetry
- Satellite Altimetry
- Seafloor Topography
- Coastal Bathymetry
What you can do with it
Typical work that data of this type supports.
- 01
Sea-level planning
Plan for sea-level rise and storm surge.
Because it has: Ocean Bathymetry
- 02
Saline intrusion
Track salt moving into rivers and aquifers.
- 03
No-gauge areas
Monitor places with no ground stations.
Because it has: Satellite Altimetry
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Surge forecasts
Forecast surge and coastal water levels quickly.
- 02
Shoreline change
Detect erosion and accretion from imagery.
- 03
Segmentation
Map water, crops and land use pixel by pixel with deep learning.
Machine access and documentation
Open API
GEBCO WMS/WCS gridded bathymetry
Licence: GEBCO grid free public use
Listed in our registry of open water APIs, which WaterDataGPT can query live.
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- Hydroweb Satellite Altimetry for Inland Waters (LEGOS/CNES)Global | Registration Required
- NASA PO.DAAC (Physical Oceanography DAAC)Global | Free
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