@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:P01::AMBNSP13" ; dc:date "2019-10-14 16:28:13.0" ; dc:identifier "SDN:P01::AMBNSP13" ; pav:authoredOn "2019-10-14 16:28:13.0" ; pav:hasCurrentVersion ; pav:version "1" ; void:inDataset ; owl:deprecated "false" ; owl:versionInfo "1" ; skos:altLabel "SPL_AmbientNoise_63Hz_20s_water" ; skos:broader , , , ; skos:definition "The logarithm to the base 10 of the ratio of the mean-square or root-mean-square of the sound pressure of underwater ambient noise measured within the specified frequency band and the specified time interval relative to a reference pressure value of 1 micropascal (squared if using the mean-square pressure)."@en ; skos:notation "SDN:P01::AMBNSP13" ; skos:note "accepted"@en ; skos:prefLabel "Sound pressure level of ambient noise (63Hz-centred one-third-octave frequency band, 20s interval) relative to 1 micropascal in the water body"@en ; skos:related , .