http://purl.org/heritagedata/schemes/agl_et/concepts/147265  (QR Code)

PropertyValue
rdf:typeskos:Concept
cc:licensehttp://creativecommons.org/licenses/by/3.0
cc:attributionURLhttp://www.historicengland.org.uk
cc:attributionNameHistoric England
skos:inSchemeFISH Event Types Thesaurus
skos:prefLabelSonar Survey
skos:narrowerSub Bottom Profiling Survey
skos:narrowerSide Scan Sonar Survey
skos:narrowerSingle Beam Echo Sounder Survey
skos:narrowerBathymetric Survey
skos:narrowerMulti Beam Echo Sounder Survey
skos:broaderGeophysical Survey
skos:scopeNoteActive sonar systems are based on the behaviour of sound waves in water; acoustic energy is transmitted and the time for the returning echo is measured to allow submerged seabed features to be mapped. Use specific type where known.
dct:publisherhttp://www.historicengland.org.uk
dct:identifierhttp://purl.org/heritagedata/schemes/agl_et/concepts/147265
dct:issued2022-03-14T15:47:55

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