@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/surface_water>
  skos:prefLabel "surface water"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/reservoirs> .

<https://concepts.sagepub.com/social-science/concept/reservoirs>
  skos:definition "Reservoirs are artificial lakes that are created by building a dam with advanced construction technologies. The construction of such dams and reservoirs usually have four key objectives: flood protection and control, secure navigation, providing water for irrigation and for urban population, and generating electric power. [Source: <a href=\"https://sk.sagepub.com/reference/environment/n911.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Environment and Society; Reservoirs</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/surface_water>, <https://concepts.sagepub.com/social-science/concept/standing_water> ;
  skos:prefLabel "reservoirs"@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/reservoirs> .

<https://concepts.sagepub.com/social-science/concept/standing_water>
  skos:prefLabel "standing water"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/reservoirs> .