@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 technique that measures the returned proportion of light transmitted into a fixed volume of water from an instrument located in the water column. It may be determined as an inherent optical property or used as an indirect measure of suspended sediment concentration. Deployed on a package of instruments or sensors as the second sensor of this type."@en ; sdo:inDefinedTermSet ; sdo:name "in-situ optical backscatter measurement (second sensor)"@en ; sdo:termCode "SDN:S04::S04422" .