Annex II

1. Elevation
   Digital elevation models for land, ice and ocean surface. Includes terrestrial elevation, bathymetry and shoreline.
2. Land cover
   Physical and biological cover of the earth’s surface including artificial surfaces, agricultural areas, forests, (semi-)natural areas, wetlands, water bodies.
3. Orthoimagery
   Geo-referenced image data of the Earth’s surface, from either satellite or airborne sensors.
4. Geology
   Geology characterised according to composition and structure.  Includes bedrock, aquifers and geomorphology.