This section documents international and global geospatial data portals and their access patterns.
Available Portals
- OpenStreetMap (OSM) — tile service, Geofabrik downloads, and Overpass/osmnx query workflow
- Natural Earth — global small-scale vector and raster basemap data (10m/50m/110m)
Planned Portals
- Copernicus — EU Earth Observation programme (Sentinel imagery, land service, marine service, atmosphere service)
- Overture Maps — open map dataset (buildings, places, divisions, transportation)
- GBIF — Global Biodiversity Information Facility
- FAO GeoNetwork — Food and Agriculture Organisation spatial data
- GEBCO — General Bathymetric Chart of the Oceans
- NASA Earthdata — remote sensing and climate datasets
- ESA Open Access Hub — Sentinel satellite imagery
Add portal sub-pages following the same pattern as semanticgis.dk/Data Portals/.