@prefix ns0: <https://gcmd.earthdata.nasa.gov/kms#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<https://gcmd.earthdata.nasa.gov/kms/concept/b6723314-3db7-4bdd-85ee-0b8507e6ae1b>
  ns0:reference [ ] ;
  skos:changeNote """2021-08-27 14:36:59.0 [tstevens]  
update Definition (A layer of soil or bedrock at a variable depth beneath the surface of the earth in which the temperature has been below freezing continuously from a few to several thousands of years.); 
update Definition (American Meteorological Society Glossary of Meteorology); 
""" ;
  skos:broader <https://gcmd.earthdata.nasa.gov/kms/concept/8073b62d-a2f3-4ad9-b619-de26f28877a7> ;
  skos:prefLabel "PERMAFROST"@en ;
  skos:inScheme <https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/sciencekeywords> ;
  skos:definition "A layer of soil or bedrock at a variable depth beneath the surface of the earth in which the temperature has been below freezing continuously from a few to several thousands of years."@en ;
  a skos:Concept .

<https://gcmd.earthdata.nasa.gov/kms/concept/8073b62d-a2f3-4ad9-b619-de26f28877a7>
  skos:prefLabel "FROZEN GROUND"@en ;
  a skos:Concept ;
  skos:narrower <https://gcmd.earthdata.nasa.gov/kms/concept/b6723314-3db7-4bdd-85ee-0b8507e6ae1b> .