PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX foaf:    <http://xmlns.com/foaf/0.1/>
PREFIX owl:     <http://www.w3.org/2002/07/owl#>
PREFIX prov:    <http://www.w3.org/ns/prov#>
PREFIX qudt:    <http://qudt.org/schema/qudt/>
PREFIX rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs:    <http://www.w3.org/2000/01/rdf-schema#>
PREFIX skos:    <http://www.w3.org/2004/02/skos/core#>
PREFIX xsd:     <http://www.w3.org/2001/XMLSchema#>

<>      dcterms:license        <https://creativecommons.org/licenses/by/4.0/>;
        dcterms:references     <https://portal.dgiwg.org/files/68063>;
        dcterms:rights         "(C) Copyright DGIWG. Licensed under the terms in CC BY 4.0 (stated in DGIWG 206-3).";
        dcterms:rightsHolder   [ foaf:homepage  <https://dgiwg.org/>;
                                 foaf:name      "Defence Geospatial Information Working Group (DGIWG)"
                               ];
        prov:generatedAtTime   "2026-11-13T10:20:32Z"^^xsd:dateTime;
        prov:hadPrimarySource  <https://portal.dgiwg.org/files/?artifact_id=76200>;
        prov:wasAttributedTo   <../index#dgifwrap>;
        prov:wasGeneratedBy    <../index#conversion>;
        foaf:primaryTopic      <#it>;
        <../vocab#baseline>    "2026-1" .

<../value/hbr_30#it>  skos:notation  "HBR_30";
        skos:prefLabel  "Indian Spring High Water"@en .

<../value/hbr_15#it>  skos:notation  "HBR_15";
        skos:prefLabel  "Mean Sea Level"@en .

<../value/hbr_24#it>  skos:notation  "HBR_24";
        skos:prefLabel  "Mean Higher High Water Springs"@en .

<../value/hbr_7#it>  skos:notation  "HBR_7";
        skos:prefLabel  "Mean High Water"@en .

<../value/hbr_10#it>  skos:notation  "HBR_10";
        skos:prefLabel  "Mean Higher High Water"@en .

<../feature/zi400#it>
        skos:notation   "ZI400";
        skos:prefLabel  "Hydrographic Base Height Information"@en .

<#values>  rdf:type     rdfs:Class;
        owl:oneOf       ( <../value/hbr_10#it> <../value/hbr_15#it> <../value/hbr_24#it> <../value/hbr_28#it> <../value/hbr_30#it> <../value/hbr_7#it> <../value/hbr_9#it> );
        skos:prefLabel  "Hydrographic Base Reference Datum: values"@en .

<#it>   rdf:type              rdf:Property , <../vocab#Attribute>;
        rdfs:domain           <../feature/zi400#it>;
        rdfs:range            <#values>;
        dcterms:dateAccepted  "2023-08-14"^^xsd:date;
        skos:definition       "The sounding datum to which the hydrographic base height is referenced."@en;
        skos:notation         "HBR";
        skos:prefLabel        "Hydrographic Base Reference Datum"@en;
        skos:scopeNote        "It is usually taken to correspond to a high water stage of the tide."@en;
        <../vocab#conceptSource>  "DFDD";
        <../vocab#datatype>   "Enumeration";
        <../vocab#name>       "hydroBaseRefDatum";
        <../vocab#status>     "valid";
        <../vocab#usedBy>     <../feature/zi400#it> .

<../value/hbr_9#it>  skos:notation  "HBR_9";
        skos:prefLabel  "Mean High Water Springs"@en .

<../value/hbr_28#it>  skos:notation  "HBR_28";
        skos:prefLabel  "Highest High Water"@en .