@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 ; ns3:status ; rdfs:seeAlso ; skos:definition "The surface called surface means the lower boundary of the atmosphere. Northward indicates a vector component which is positive when directed northward (negative southward). Downward indicates a vector component which is positive when directed downward (negative upward). Downward northward indicates the ZY component of a tensor. A downward northward stress is a downward flux of northward momentum"@en ; skos:exactMatch ; skos:prefLabel "surface downward northward stress"@en ; ns2:hadPrimarySource .