@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 ; ns1:status ; rdfs:seeAlso ; skos:definition "A velocity is a vector quantity. Eastward indicates a vector component which is positive when directed eastward (negative westward). Northward indicates a vector component which is positive when directed northward (negative southward). Sea ice velocity is defined as a two-dimensional vector"@en ; skos:exactMatch ; skos:prefLabel "northward derivative of eastward sea ice velocity"@en ; ns2:hadPrimarySource .