Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Settlements and Landscapes (hierarchy name)
5. landscapes (environments)
6. natural landscapes
7. landforms (terrestrial)
8. depressions (landforms)

Anotations

Scope note:

Small, shallow terrestrial depressions or basins located in arid and semiarid regions that contain ephemeral bodies of water from periods of rainfall, leaving residual deposits of salt, sand, or mud. Distinct from "dry lakes."