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Tidal Current Speed 3 Hours Before (C37)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: c37.ttl
- Name
tidalCurSpeed3HrsBefore- Datatype
- RealNonNegInterval
- Definition
- The tidal current speed 3 hours before the tide reference level.
- Description
- Typically used together with Attribute 'Reference Tide' to specify the tide reference level from which the time offset is specified.
- Accepted
- 2013-10-18
- Defined by
- DFDD
- Physical quantity
- speed
- Recommended unit
- Knot (knot)
- Used by
- BG030 Tidal Stream Observation Station
- BG010 Water Movement Data Location
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.