@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" ; ns3:hasProfile ; ns2:status ; rdfs:seeAlso ; skos:definition "Potential density is the density a parcel of air or sea water would have if moved adiabatically to a reference pressure"@en ; skos:exactMatch ; skos:prefLabel "change over time in sea water potential density"@en ; ns1:hadPrimarySource .