@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: . rdf:type skos:Concept ; dce:identifier "SDN:S05::S050143" ; dc:date "2017-04-25 16:24:02.0" ; dc:identifier "SDN:S05::S050143" ; pav:authoredOn "2017-04-25 16:24:02.0" ; pav:hasCurrentVersion ; pav:version "1" ; void:inDataset ; owl:deprecated "false" ; owl:versionInfo "1" ; skos:altLabel "" ; skos:broader ; skos:definition "An echo sounder data correction specified in Matthews (1939). Tables of the Velocity of Sound in Pure Water and Sea Water for Use in Echo-Sounding and Sound- Ranging, 2nd Ed. Hydrographic Department, Ministry of Defense, United Kingdom."@en ; skos:notation "SDN:S05::S050143" ; skos:note "accepted"@en ; skos:prefLabel "correction using Matthew's tables"@en .