@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @prefix dcterms: . @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 sdo: . @prefix semapv: . @prefix skos: . @prefix sssom: . @prefix void: . @prefix xsd: . rdf:type sdo:DefinedTerm ; sdo:description "A NMFSS-built single-channel seismic reflection profiling system. The system uses a Bolt 1500C airgun as sound source, and a short hydrophone streamer."@en ; sdo:inDefinedTermSet ; sdo:name "National Marine Facilities Sea Systems (NMFSS) Single-Channel Airgun Seismic Reflection System"@en ; sdo:termCode "SDN:L22::TOOL1198" .