Environmental Data Coding Specifcation        ISO IEC LogosRight Title Graphic
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Status: STD 2005/06/07
Code: 478

Concept definition: The elevation of a hydrographic <OBJECT> that tidal waters cover and uncover measured to the highest <LOCATION> on the <OBJECT> in reference to a <SOUNDING_DATUM>; hydrographic drying height.
Attribute value type: REAL
Unit equivalence class label: LENGTH
Reference type: IR
Reference: [FACC, Annex B: HDH]
Supplemental references:  

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