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#>

<#it>   rdf:type              <../vocab#Attribute> , rdf:Property;
        rdfs:domain           <../feature/zi024#it>;
        rdfs:range            xsd:double;
        dcterms:dateAccepted  "2013-10-18"^^xsd:date;
        skos:definition       "The logarithm of the reciprocal of hydrogen ion (H+) concentration in gram atoms per liter of an aqueous solution."@en;
        skos:notation         "PHW";
        skos:prefLabel        "pH"@en;
        skos:scopeNote        "The pH (potential of Hydrogen) scale provides an indication of the acidity or alkalinity of a water sample. The scale ranges from 0 to 14, where 7 is neutral, greater than 7 is more alkaline and less than 7 is more acidic. The measure is termed the 'pH unit'."@en;
        <../vocab#conceptSource>  "DFDD";
        <../vocab#datatype>   "Real";
        <../vocab#name>       "pH";
        <../vocab#physicalQuantity>  "pureNumber";
        <../vocab#recommendedUnit>  [ rdfs:label  "Unitless"@en ];
        <../vocab#status>     "valid";
        <../vocab#usedBy>     <../feature/zi024#it> .

<>      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" .

<../feature/zi024#it>
        skos:notation   "ZI024";
        skos:prefLabel  "Water Resource Information"@en .