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                <gco:CharacterString>NCEI Accession 0170851 was revised and v2.2 was published.</gco:CharacterString>
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                <gco:CharacterString>Updates were received for this dataset. These updates were copied into the data/0-data/ directory of this accession. These updates may provide additional files or replace obsolete files. This version contains the most complete and up-to-date representation of this archival information package. All of the files received prior to this update are available in the preceding version of this accession.</gco:CharacterString>
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                        <gco:CharacterString>NCEI Accession 0170851 v2.2</gco:CharacterString>
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                          <gmd:date gco:nilReason="inapplicable" />
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                            <gmd:CI_DateTypeCode codeList="https://data.noaa.gov/resources/iso19139/schema/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="publication">publication</gmd:CI_DateTypeCode>
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                          <gmd:contactInfo>
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                              <gmd:onlineResource>
                                <gmd:CI_OnlineResource>
                                  <gmd:linkage>
                                    <gmd:URL>https://www.ncei.noaa.gov/archive/accession/0170851/2.2</gmd:URL>
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                                    <gco:CharacterString>NCEI Accession 0170851 v2.2</gco:CharacterString>
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                                    <gco:CharacterString>published 2026-07-22T19:54:42Z</gco:CharacterString>
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                <gco:CharacterString>Parameter or Variable: CTD Temperature;
Abbreviation: CTDTMP;
Unit: degrees celcius;
Observation type: CTD sensor;
Sampling instrument: CTD;
Analyzing instrument: CTD;
Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value;
Researcher name: M. Dengler;
Researcher institution: GEOMAR Germany</gco:CharacterString>
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                <gco:CharacterString>Parameter or Variable: CTD Salinity;
Abbreviation: CTDSAL;
Observation type: CTD sensor;
Sampling instrument: CTD;
Analyzing instrument: CTD;
Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value;
Researcher name: M. Dengler;
Researcher institution: GEOMAR Germany</gco:CharacterString>
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                <gco:CharacterString>Parameter or Variable: CTD Oxygen;
Abbreviation: CTDOXY;
Observation type: CTD sensor;
Sampling instrument: CTD;
Analyzing instrument: CTD;
Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value;
Researcher name: M. Dengler;
Researcher institution: GEOMAR Germany</gco:CharacterString>
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                <gco:CharacterString>Parameter or Variable: Bottle Salinity;
Abbreviation: SALNTY;
Observation type: Bottle, discrete;
Sampling instrument: CTD;
Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value;
Researcher name: M. Dengler;
Researcher institution: GEOMAR Germany</gco:CharacterString>
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                <gco:CharacterString>Parameter or Variable: Bottle Oxygen;
Abbreviation: OXYGEN;
Unit: UMOL/KG;
Observation type: Bottle, discrete;
Sampling instrument: CTD;
Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value;
Researcher name: M. Dengler;
Researcher institution: GEOMAR Germany</gco:CharacterString>
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                <gco:CharacterString>Parameter or Variable: Nutrients;
Abbreviation: SILCAT, NITRAT, NITRIT, PHSPHT;
Unit: UMOL/KG;
Observation type: Bottle, discrete;
Sampling instrument: CTD;
Quality flag convention: WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value;
Researcher name: M. Dengler;
Researcher institution: GEOMAR Germany</gco:CharacterString>
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        <gco:CharacterString>Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness.</gco:CharacterString>
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          <gmd:organisationName>
            <gco:CharacterString>NOAA National Centers for Environmental Information</gco:CharacterString>
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  <gmi:acquisitionInformation>
    <gmi:MI_AcquisitionInformation id="AMS">
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        <gmi:MI_Instrument id="inst_bee7">
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            <gco:CharacterString>Conductivity-Temperature-Depth probe</gco:CharacterString>
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            <gco:CharacterString>Niskin bottle</gco:CharacterString>
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          <gmi:description>
            <gco:CharacterString>Device for obtaining samples of seawater at a specific depth

Why special entry for Niskin bottle but no entry for Nansen bottle?</gco:CharacterString>
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            <gco:CharacterString>Any instrument that measures oxygen content in a compound.</gco:CharacterString>
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      <gmi:instrument>
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                <gco:CharacterString>salinometer</gco:CharacterString>
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          <gmi:description>
            <gco:CharacterString>generic salinometer

use salinometer when the instrument type used is unclear but the data include salinity measurements</gco:CharacterString>
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      </gmi:instrument>
      <gmi:instrument>
        <gmi:MI_Instrument id="inst_be28">
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                <gco:CharacterString>titrator</gco:CharacterString>
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            <gco:CharacterString>titrator</gco:CharacterString>
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          <gmi:description>
            <gco:CharacterString>titrator</gco:CharacterString>
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        <gmi:MI_Platform id="plat_94a4">
          <gmi:identifier>
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              <gmd:code>
                <gco:CharacterString>METEOR</gco:CharacterString>
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          <gmi:description>
            <gco:CharacterString>Oceanographic research vessel.
Active: since 1986</gco:CharacterString>
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          <gmi:instrument gco:nilReason="missing" />
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      </gmi:platform>
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