caves

  1. Home
  2. top of the aat hierarchies
  3. Objects Facet
  4. Built Environment (hierarchy name)
  5. Settlements and Landscapes (hierarchy name)
  6. landscapes (environments)
  7. natural landscapes
  8. landforms (terrestrial)
  9. caves
Scope note
Natural openings in the earth large enough for human exploration, the largest and most common being those formed by a chemical reaction between circulating groundwater and limestone or dolomite bedrock.
caves
Accepted term: 05-Jan-2026