@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @prefix grg: . @prefix iop: . @prefix ns0: . @prefix ns1: . @prefix owl: . @prefix pav: . @prefix prov: . @prefix puv: . @prefix qudt: . @prefix rdf: . @prefix rdfs: . @prefix reg: . @prefix semapv: . @prefix skos: . @prefix sssom: . @prefix void: . skos:broader . skos:narrower . skos:altLabel "CSEM" , "CSEM"@en ; skos:broader , , ; skos:definition "Systems that measure sub-surface resistivity structure through the measurement of the electromegnetic fields resulting from stimulation by a towed source. Includes systems incorporating both transmitter and receiver and systems where the transmitter and receiver are separate."@en ; skos:inScheme ; skos:narrower ; skos:notation "SDN:L05::CSEM" ; skos:note "accepted"@en ; skos:prefLabel "controlled-source electromagnetic systems"@en . skos:narrower . skos:broader . skos:narrower . skos:narrower . skos:narrower . skos:member . skos:narrower .