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                <gco:CharacterString>NODC SUBMITTING INSTITUTION NAMES THESAURUS</gco:CharacterString>
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                <gco:CharacterString>Ocean Acidification Search Keywords</gco:CharacterString>
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          <gmd:keyword>
            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/7989eae1-8ea3-4039-af0c-9130de145449" xlink:actuate="onRequest">EARTH SCIENCE &gt; OCEANS &gt; OCEAN CHEMISTRY &gt; CHLOROPHYLL</gmx:Anchor>
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          <gmd:keyword>
            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/4fde380a-38c5-4d46-bc80-4f2515a43983" xlink:actuate="onRequest">EARTH SCIENCE &gt; OCEANS &gt; OCEAN CHEMISTRY &gt; NITRATE</gmx:Anchor>
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          <gmd:keyword>
            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/941410da-0b7f-4ec6-a718-212194ced13f" xlink:actuate="onRequest">EARTH SCIENCE &gt; OCEANS &gt; OCEAN CHEMISTRY &gt; NITRITE</gmx:Anchor>
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          <gmd:keyword>
            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/90aa8838-79bd-4b28-b518-8217e863c385" xlink:actuate="onRequest">EARTH SCIENCE &gt; OCEANS &gt; OCEAN CHEMISTRY &gt; OXYGEN</gmx:Anchor>
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          <gmd:keyword>
            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/0b513d8c-bfd3-44ee-976e-42757b8375a2" xlink:actuate="onRequest">EARTH SCIENCE &gt; OCEANS &gt; OCEAN CHEMISTRY &gt; PHOSPHATE</gmx:Anchor>
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          <gmd:keyword>
            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/c91c8879-1b29-48e3-b4cd-a238af66cdaf" xlink:actuate="onRequest">EARTH SCIENCE &gt; OCEANS &gt; OCEAN CHEMISTRY &gt; SILICATE</gmx:Anchor>
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          <gmd:keyword>
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          <gmd:keyword>
            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/71c78d69-9cfe-48e9-8dd2-9c75acf22283" xlink:actuate="onRequest">EARTH SCIENCE &gt; OCEANS &gt; OCEAN OPTICS &gt; ATTENUATION/TRANSMISSION</gmx:Anchor>
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          <gmd:keyword>
            <gmx:Anchor xlink:href="https://cmr.earthdata.nasa.gov/kms/concept/a60ae1b6-abfc-4905-8c09-772da7bb1a10" xlink:actuate="onRequest">EARTH SCIENCE &gt; OCEANS &gt; OCEAN OPTICS &gt; FLUORESCENCE</gmx:Anchor>
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            <gmd:MD_KeywordTypeCode codeList="https://data.noaa.gov/resources/iso19139/schema/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="theme">theme</gmd:MD_KeywordTypeCode>
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                <gco:CharacterString>OCADS Study Type</gco:CharacterString>
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      <gmd:descriptiveKeywords>
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          <gmd:keyword>
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            <gmd:MD_KeywordTypeCode codeList="https://data.noaa.gov/resources/iso19139/schema/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="instrument">instrument</gmd:MD_KeywordTypeCode>
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                <gmd:CI_Date>
                  <gmd:date>
                    <gco:Date>2026</gco:Date>
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                            <gco:CharacterString>HTTPS</gco:CharacterString>
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Controlled vocabulary name: DISSOLVED OXYGEN;
In-situ / Manipulation / Response variable: in-situ observation</gco:CharacterString>
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Abbreviation: NITRIT;
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Controlled vocabulary name: NITRITE;
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Controlled vocabulary name: phosphate;
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Controlled vocabulary name: AMMONIUM (NH4);
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Controlled vocabulary name: CHLOROPHYLL A;
In-situ / Manipulation / Response variable: in-situ observation</gco:CharacterString>
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Abbreviation: PPHYTN;
Unit: UG/L;
Controlled vocabulary name: PHAEOPHYTIN;
In-situ / Manipulation / Response variable: in-situ observation</gco:CharacterString>
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          <gmd:processStep>
            <gmi:LE_ProcessStep>
              <gmd:description>
                <gco:CharacterString>Parameter or Variable: THETASOCCOM_096U20160314;
Abbreviation: THETASOCCOM_096U20160314;
In-situ / Manipulation / Response variable: in-situ observation</gco:CharacterString>
              </gmd:description>
            </gmi:LE_ProcessStep>
          </gmd:processStep>
        </gmd:LI_Lineage>
      </gmd:lineage>
    </gmd:DQ_DataQuality>
  </gmd:dataQualityInfo>
  <gmd:metadataMaintenance>
    <gmd:MD_MaintenanceInformation>
      <gmd:maintenanceAndUpdateFrequency>
        <gmd:MD_MaintenanceFrequencyCode codeList="https://data.noaa.gov/resources/iso19139/schema/resources/Codelist/gmxCodelists.xml#MD_MaintenanceFrequencyCode" codeListValue="asNeeded">asNeeded</gmd:MD_MaintenanceFrequencyCode>
      </gmd:maintenanceAndUpdateFrequency>
      <gmd:maintenanceNote>
        <gco:CharacterString>Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness.</gco:CharacterString>
      </gmd:maintenanceNote>
      <gmd:contact>
        <gmd:CI_ResponsibleParty>
          <gmd:organisationName>
            <gco:CharacterString>NOAA National Centers for Environmental Information</gco:CharacterString>
          </gmd:organisationName>
          <gmd:role>
            <gmd:CI_RoleCode codeList="https://data.noaa.gov/resources/iso19139/schema/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="custodian">custodian</gmd:CI_RoleCode>
          </gmd:role>
        </gmd:CI_ResponsibleParty>
      </gmd:contact>
    </gmd:MD_MaintenanceInformation>
  </gmd:metadataMaintenance>
  <gmi:acquisitionInformation>
    <gmi:MI_AcquisitionInformation id="AMS">
      <gmi:instrument>
        <gmi:MI_Instrument id="inst_beec">
          <gmi:identifier>
            <gmd:MD_Identifier>
              <gmd:code>
                <gco:CharacterString>bottle</gco:CharacterString>
              </gmd:code>
            </gmd:MD_Identifier>
          </gmi:identifier>
          <gmi:type>
            <gco:CharacterString>bottle</gco:CharacterString>
          </gmi:type>
          <gmi:description>
            <gco:CharacterString>any type of water bottle sampling device

Generic name for water collection device; usually used to determine temperature, salinity and provide water aliquots for measurement of a wide range of parameters; often referred to by a specific type of water sampling bottle, such as a Nansen or Niskin bottle.</gco:CharacterString>
          </gmi:description>
        </gmi:MI_Instrument>
      </gmi:instrument>
      <gmi:instrument>
        <gmi:MI_Instrument id="inst_bee7">
          <gmi:identifier>
            <gmd:MD_Identifier>
              <gmd:code>
                <gco:CharacterString>CTD</gco:CharacterString>
              </gmd:code>
            </gmd:MD_Identifier>
          </gmi:identifier>
          <gmi:type>
            <gco:CharacterString>CTD</gco:CharacterString>
          </gmi:type>
          <gmi:description>
            <gco:CharacterString>Conductivity-Temperature-Depth probe</gco:CharacterString>
          </gmi:description>
        </gmi:MI_Instrument>
      </gmi:instrument>
      <gmi:instrument>
        <gmi:MI_Instrument id="inst_be76">
          <gmi:identifier>
            <gmd:MD_Identifier>
              <gmd:code>
                <gco:CharacterString>PAR Sensor</gco:CharacterString>
              </gmd:code>
            </gmd:MD_Identifier>
          </gmi:identifier>
          <gmi:type>
            <gco:CharacterString>PAR Sensor</gco:CharacterString>
          </gmi:type>
          <gmi:description>
            <gco:CharacterString>Photosynthetically Active Radiation Sensor

The PAR sensor measures global solar radiation from 400 to 700 nm, which approximates the spectral band active in photosynthesis. The response of the instrument falls sharply to zero on either side of this band, and between 400 and 670 nm it increases monotonically from about 50% to 100%. There is no protective glass dome over the receiving surface. Irradiance from the sun passes through a small white visible bandpass filter/diffuser in the shape of a horizontal disk at the top of the instrument. Within the instrument radiation is directed through a series of colored glass filters and onto a silicon photodiode detector. The factory-supplied calibration converts the signal from the detector to a flux of photons in micro-mole (of photons) s-1 m-2. (One micro-mole equals 6.022 E17 photons.) For the solar spectrum, these units may be converted to watts per square meter by dividing by 4.6.

(http://www.srrb.noaa.gov/instrument/par.htm)</gco:CharacterString>
          </gmi:description>
        </gmi:MI_Instrument>
      </gmi:instrument>
      <gmi:instrument>
        <gmi:MI_Instrument id="inst_bea5">
          <gmi:identifier>
            <gmd:MD_Identifier>
              <gmd:code>
                <gco:CharacterString>transmissometer</gco:CharacterString>
              </gmd:code>
            </gmd:MD_Identifier>
          </gmi:identifier>
          <gmi:type>
            <gco:CharacterString>transmissometer</gco:CharacterString>
          </gmi:type>
          <gmi:description>
            <gco:CharacterString>transmissometer

Instrument used to measure transmissivity in NODC File Alias F022.</gco:CharacterString>
          </gmi:description>
        </gmi:MI_Instrument>
      </gmi:instrument>
      <gmi:platform>
        <gmi:MI_Platform id="plat_8e14">
          <gmi:identifier>
            <gmd:MD_Identifier>
              <gmd:code>
                <gco:CharacterString>RV Investigator</gco:CharacterString>
              </gmd:code>
            </gmd:MD_Identifier>
          </gmi:identifier>
          <gmi:description>
            <gco:CharacterString>ICES request for the vessel Investigator from AUSTRALIA(AU).

Name : Investigator
Country(s) : AUSTRALIA(AU) (ISO Country Code)
Platform Class : 31 Research vessel
Call Sign : VLMJ
MMSI: 503791000
IMO : 9616888
Pennant : Australia
Title : RV
Commissioned Date : 2014-09-09
Current Length : 94
Built : 2014-08

Information Sources:
- http://mnf.csiro.au/Vessel/Investigator-2014/Specifications.aspx

Confirmed by NOAA on 2015-07-14.</gco:CharacterString>
          </gmi:description>
          <gmi:instrument gco:nilReason="missing" />
        </gmi:MI_Platform>
      </gmi:platform>
    </gmi:MI_AcquisitionInformation>
  </gmi:acquisitionInformation>
</gmi:MI_Metadata>