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Approximate Depression Auxiliary Contour (HQC_23)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: hqc_23.ttl
- Name
approxDepAuxiliaryContour- Attribute
- HQC Hypsography Portrayal Type
- Definition
- A closed contour line substituted for a normal depression auxiliary contour line whenever there is a question as to its reliability (for example: due to glacial ice or cloud cover).
- Description
- It is typically depicted as a broken line while maintaining depression auxiliary contour line weight and associated perpendicular ticks.
- Accepted
- 2013-10-18
- Allowed for
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.