@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<https://gcmd.earthdata.nasa.gov/kms/concept/486f2c33-2401-4292-9d74-8756ee95211f>
  skos:prefLabel "LAND RECORDS"@en ;
  a skos:Concept ;
  skos:narrower <https://gcmd.earthdata.nasa.gov/kms/concept/bf0db125-0182-42e7-81c9-6ed55a05ddd0> .

<https://gcmd.earthdata.nasa.gov/kms/concept/bf0db125-0182-42e7-81c9-6ed55a05ddd0>
  skos:definition """Radiocarbon refers to radioactive carbon especially carbon-14, but also
carbon-10 and carbon-12. Carbon-14 is a heavy radioactive isotope of Carbon
having a mass of 14 and a half-life of 5730 +/-40 years. Carbon-14 is useful in
dating organic materials during the last 50,000 years."""@en ;
  skos:prefLabel "RADIOCARBON"@en ;
  skos:inScheme <https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/sciencekeywords> ;
  skos:broader <https://gcmd.earthdata.nasa.gov/kms/concept/486f2c33-2401-4292-9d74-8756ee95211f> ;
  a skos:Concept .