NOAA Bathymetric Data Viewer: Seafloor depth and bathymetry surveys from NOAA. OpenTopography: High-resolution lidar and elevation data, searchable on a map.
| NOAA Bathymetric Data Viewer | OpenTopography | |
|---|---|---|
| Category | Geology, Terrain & Ocean Floor | Geology, Terrain & Ocean Floor |
| Coverage | Worldwide oceans | Worldwide |
| Updates | Periodically | Periodically |
| Data source | NOAA NCEI and global bathymetry | Lidar surveys and global DEMs |
| Made by | NOAA NCEI | San Diego Supercomputer Center and partners |
| Price | Free | Free |
| Account | No account needed | Free to view, account for extras |
| On phones | Best on a computer | Best on a computer |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with NOAA Bathymetric Data Viewer
- Seafloor depth layers
- Survey footprints
- Data download
What you can do with OpenTopography
- Lidar datasets on a map
- Global elevation models
- Online processing
Summary based on public information. Check each map's website for current features and prices.