@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:member . skos:related . skos:narrower . skos:narrower . skos:narrower . skos:narrower . skos:altLabel "LDEO OBS" , "LDEO OBS"@en ; skos:broader , ; skos:definition "Ocean bottom seismometer instruments designed by the Lamont-Doherty Earth Observatory (LDEO). Seismometer sensors are either a L4C 1 Hz geophone and a differential pressure gauge or a Trillium Compact seismometer, a Paroscientific absolute pressure gauge, and a hydrophone. They can be deployed for depths up to 1000 m or 5000 m. They can be deployed for a maximum duration of 400 days."@en ; skos:inScheme ; skos:notation "SDN:L22::TOOL1112" ; skos:note "accepted"@en ; skos:prefLabel "Lamont-Doherty Earth Observatory ocean bottom seismometer series"@en ; skos:related . skos:related .