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            <gmx:Anchor xlink:href="http://vocab.nerc.ac.uk/collection/P02/current/SUAT">Sulphur species concentrations in the atmosphere</gmx:Anchor>
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            <gmx:Anchor xlink:href="http://vocab.nerc.ac.uk/collection/P02/current/OHAT">Concentration of other hydrocarbons in the atmosphere</gmx:Anchor>
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          <gmd:keyword>
            <gmx:Anchor xlink:href="http://vocab.nerc.ac.uk/collection/P02/current/ATPC">Atmospheric particulates</gmx:Anchor>
          </gmd:keyword>
          <gmd:keyword>
            <gmx:Anchor xlink:href="http://vocab.nerc.ac.uk/collection/P02/current/CHUM">Atmospheric humidity</gmx:Anchor>
          </gmd:keyword>
          <gmd:keyword>
            <gmx:Anchor xlink:href="http://vocab.nerc.ac.uk/collection/P02/current/AALK">Concentration of alkanes in the atmosphere</gmx:Anchor>
          </gmd:keyword>
          <gmd:keyword>
            <gmx:Anchor xlink:href="http://vocab.nerc.ac.uk/collection/P02/current/CDTA">Air temperature</gmx:Anchor>
          </gmd:keyword>
          <gmd:keyword>
            <gmx:Anchor xlink:href="http://vocab.nerc.ac.uk/collection/P02/current/CAPH">Air pressure</gmx:Anchor>
          </gmd:keyword>
          <gmd:thesaurusName>
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                <gco:CharacterString>SeaDataNet PDV</gco:CharacterString>
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                <gmd:CI_Date>
                  <gmd:date>
                    <gco:Date>2018-01-12</gco:Date>
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      <gmd:descriptiveKeywords>
        <gmd:MD_Keywords>
          <gmd:keyword>
            <gmx:Anchor xlink:href="http://vocab.nerc.ac.uk/collection/L13/current/UK">unknown</gmx:Anchor>
          </gmd:keyword>
          <gmd:thesaurusName>
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              <gmd:title>
                <gco:CharacterString>Vertical Coverages</gco:CharacterString>
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                <gmd:CI_Date>
                  <gmd:date>
                    <gco:Date>2013-02-06</gco:Date>
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                  <gmd:dateType>
                    <gmd:CI_DateTypeCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="revision">revision</gmd:CI_DateTypeCode>
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      <gmd:descriptiveKeywords>
        <gmd:MD_Keywords>
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            <gmx:Anchor xlink:href="http://vocab.nerc.ac.uk/collection/N01/current/NDGO0001">Marine Environmental Data and Information Network</gmx:Anchor>
          </gmd:keyword>
          <gmd:keyword>
            <gmx:Anchor xlink:href="http://vocab.nerc.ac.uk/collection/N01/current/NDGO0003">Natural Environment Research Council Designated Data Centres</gmx:Anchor>
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                <gco:CharacterString>MEDIN metadata record availability</gco:CharacterString>
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                    <gco:Date>2012-01-11</gco:Date>
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            <gmx:Anchor xlink:href="http://vocab.nerc.ac.uk/collection/P22/current/26">Atmospheric conditions</gmx:Anchor>
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                <gco:CharacterString>INSPIRE themes</gco:CharacterString>
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                    <gco:Date>2009-07-31</gco:Date>
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                    <gmd:CI_DateTypeCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="revision">revision</gmd:CI_DateTypeCode>
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                        <gco:CharacterString>Joseph Proudman Building</gco:CharacterString>
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