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#>

<../attribute/sdt#values>
        skos:prefLabel  "Sand Dune Type: values"@en .

<>      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   "2026-11-14T15:50:07Z"^^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" .

<../attribute/sdt#it>
        rdfs:range      <../attribute/sdt#values>;
        skos:notation   "SDT";
        skos:prefLabel  "Sand Dune Type"@en .

<#it>   rdf:type              <../attribute/sdt#values>;
        dcterms:dateAccepted  "2013-10-18"^^xsd:date;
        skos:altLabel         "Lateral"@en;
        skos:definition       "Long, relatively straight dunes, oriented perpendicular to the direction of the wind and consisting of accumulations of loose, well-sorted, very fine to medium sand in ridges that have a gentle stoss (upwind) slope and a steep slip face on the lee slope."@en;
        skos:notation         "SDT_3";
        skos:prefLabel        "Transverse"@en;
        skos:scopeNote        "Although appearing similar to linear dunes, they differ from linear dunes in that the two flanks of a transverse dune have different, rather than similar, angles of slope; the gentler upwind slope is composed of firmly packed sand and the steeper lee (avalanche) slope is soft and loose sand. Transverse dunes also migrate laterally, toward the next dune ridge, instead of longitudinally down the long axis of the ridge."@en;
        <../vocab#allowedFor>  <../feature/db170#it>;
        <../vocab#name>       "transverse";
        <../vocab#status>     "valid" .

<../feature/db170#it>
        skos:notation   "DB170";
        skos:prefLabel  "Sand Dunes"@en .