@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix ns3: . @prefix rdfs: . @prefix skos: . a skos:Concept ; dct:created "2019-01-14" ; dct:modified "2019-01-14" ; ns1:hasProfile ; ns2:status ; rdfs:seeAlso ; skos:definition "Age of stratospheric air means an estimate of the time since a parcel of stratospheric air was last in contact with the troposphere."@en ; skos:exactMatch ; skos:prefLabel "age of stratospheric air"@en ; ns3:hadPrimarySource .