@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/geomorphology>
  skos:prefLabel "geomorphology"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/rill_erosion> .

<https://concepts.sagepub.com/social-science/concept/rill_erosion>
  skos:definition "Rill erosion is the process by which numerous sub-parallel and randomly occurring small channels are formed on slopes by running water. Usually, if channel cross sections are smaller than 900 cm2 (square centimeters; 30 cm x 30 cm), they are called erosion rills. [Source: <a href=\"https://sk.sagepub.com/reference/geography/n996.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Geography; Rill Erosion</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/geomorphology> ;
  skos:prefLabel "rill erosion"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/concepts>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/rill_erosion> .