MARINE OBSERVATION SOURCE · S032
GEBCO
Discover marine observations available through GEBCO, including parameters, platforms, spatial and temporal coverage, metadata, and access methods.
- Operator
- GEBCO / Seabed 2030
- Role
- Global bathymetric synthesis
- Platforms
- Gridded synthesis from surveys + inferred sources
- Observed variables
- Bathymetric elevation; source-type/TID grid
- Spatial coverage
- Global
- Period
- Versioned annual grid; 2026 current
- Depth coverage
- Seafloor static elevation
- QC and data mode
- Compilation QC
- Access method
- Download global/subset grid and TID grid; use as background/static prior rather than raw observation index
- Indexed download targets
- 1
Canonical parameters
- Water depth / bottom depth
bottom_depth
Discovery and access
Do not label GEBCO cells as direct observations; use DCDB for sounding existence and GEBCO for static context.