<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:gcmd="https://gcmd.earthdata.nasa.gov/kms#" xmlns:dcterms="http://purl.org/dc/terms/" xml:base="https://gcmd.earthdata.nasa.gov/kms/concept/">
  <gcmd:gcmd>
    <gcmd:termsOfUse>https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf</gcmd:termsOfUse>
    <gcmd:keywordVersion>23.6</gcmd:keywordVersion>
    <gcmd:schemeVersion>2026-03-19T10:41:57.720Z</gcmd:schemeVersion>
    <gcmd:viewer>https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/025c1e31-1a97-4a30-a887-0b9a5127fd4d</gcmd:viewer>
  </gcmd:gcmd>
  <skos:Concept rdf:about="025c1e31-1a97-4a30-a887-0b9a5127fd4d">
    <skos:broader rdf:resource="0517ae1f-7617-4f3b-80cb-649178032825"/>
    <skos:prefLabel xml:lang="en">ACOUSTIC ATTENUATION/TRANSMISSION</skos:prefLabel>
    <gcmd:reference gcmd:text="Adapted from: Neshyba S. 1987. Oceanography, Perspectives on a Fluid Earth. John Wiley and Sons, Inc. p. 477." xml:lang="en"/>
    <skos:definition xml:lang="en">Attenuation: Diminution of the intensity of acoustical energy propagatingthrough a medium with the distance traveled, through absorption andscattering. Transmission: Propagation or the motion of waves through oralong a medium.</skos:definition>
    <skos:inScheme rdf:resource="https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/sciencekeywords"/>
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