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    <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/b6b51058-1111-4498-a9ac-e1515270fb27</gcmd:viewer>
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  <skos:Concept rdf:about="b6b51058-1111-4498-a9ac-e1515270fb27">
    <skos:broader rdf:resource="c16bda61-353b-4668-af2f-bbb98785b6fa"/>
    <skos:prefLabel xml:lang="en">SEAFLOOR TOPOGRAPHY</skos:prefLabel>
    <gcmd:reference gcmd:text="Alyn C. Duxbury, Alison B. Duxbury, and Keith A. Sverdrup. An Introduction to  the World&apos;s Oceans. 6th edition. McGraw-Hill Higher Education, 2000." xml:lang="en"/>
    <skos:definition xml:lang="en">General elevation pattern of the land surface or the ocean bottom.  Also referto as bathymetry, the study and mapping of sea floor elevations and thevariations of water depth; the topography of the sea floor.</skos:definition>
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