<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>23.8</gcmd:keywordVersion>
    <gcmd:schemeVersion>2026-04-29T10:52:37.449Z</gcmd:schemeVersion>
    <gcmd:viewer>https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/68f7ba1b-a2f9-41b6-9bc1-fd187942fbed</gcmd:viewer>
  </gcmd:gcmd>
  <skos:Concept rdf:about="68f7ba1b-a2f9-41b6-9bc1-fd187942fbed">
    <skos:broader rdf:resource="6eb3919b-85ce-4988-8b78-9d0018fd8089"/>
    <skos:prefLabel xml:lang="en">CARBONATE</skos:prefLabel>
    <skos:definition xml:lang="en">A dissolved ion of carbonic acid, with the chemical formula CO3(-2), formedby dissolution of carbon dioxide in water. Other forms of carbonate, suchas bicarbonate, HCO3-, are included with this variable as detailedvariables.</skos:definition>
    <skos:inScheme rdf:resource="https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/sciencekeywords"/>
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</rdf:RDF>