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Underlying Bottom Character Layer (UBL)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: ubl.ttl
- Name
underlyingBottomCharacterLayer- Datatype
- Integer
- Definition
- The position of the seabed type within the layers of the seabed
- Description
- To account for where the seabed comprises layered material that is of relevance to navigation or anchoring. The value indicates the level of a material in a layered seabed, with the value 0 indicating the topmost level, 1 where the seabed type is the layer below the top of the seabed surface and so on
- Accepted
- 2023-08-14
- Defined by
- S101
- Used by
- BC011 Maritime Bottom Characteristic
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.