<eml:eml xmlns:eml="eml://ecoinformatics.org/eml-2.1.0" xmlns:stmml="http://www.xml-cml.org/schema/stmml-1.1" xmlns:ds="eml://ecoinformatics.org/dataset-2.1.0" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="eml://ecoinformatics.org/eml-2.1.0 http://nis.lternet.edu/schemas/EML/eml-2.1.0/eml.xsd" packageId="knb-lter-mcm.78.596" system="knb">
  <access scope="document" order="allowFirst" authSystem="knb">
    <allow>
      <principal>uid=MCM,o=EDI,dc=edirepository,dc=org</principal>
      <permission>all</permission>
    </allow>
    <allow>
      <principal>public</principal>
      <permission>read</permission>
    </allow>
  </access>
  <dataset>
    <title>Total Nitrogen in Streams</title>
    <creator>
      <individualName>
        <givenName>W. Berry</givenName>
        <surName>Lyons</surName>
      </individualName>
      <address>
        <deliveryPoint>275 Mendenhall Lab</deliveryPoint>
        <city>Columbus</city>
        <administrativeArea>OH</administrativeArea>
        <postalCode>43210</postalCode>
        <country>US</country>
      </address>
      <phone phonetype="voice">(614) 688-3241</phone>
      <electronicMailAddress>lyons.142@osu.edu</electronicMailAddress>
      <onlineUrl>http://research.bpcrc.osu.edu/EnvironmentalGeochemistry/</onlineUrl>
      <userId directory="https://orcid.org">https://orcid.org/0000-0002-3143-7251</userId>
    </creator>
    <metadataProvider>
      <organizationName>McMurdo Dry Valleys LTER</organizationName>
      <onlineUrl>http://mcmlter.org/</onlineUrl>
    </metadataProvider>
    <associatedParty>
      <individualName>
        <givenName>Inigo</givenName>
        <surName>San Gil</surName>
      </individualName>
      <address>
        <deliveryPoint>Department of Biology, MSC03 2020 University of New Mexico</deliveryPoint>
        <city>Albuquerque</city>
        <administrativeArea>NM</administrativeArea>
        <postalCode>87131</postalCode>
        <country>US</country>
      </address>
      <phone phonetype="voice">(505) 277-2625</phone>
      <phone phonetype="facsimile">(505) 277-2541</phone>
      <electronicMailAddress>isangil@lternet.edu</electronicMailAddress>
      <role>data manager</role>
    </associatedParty>
    <pubDate>2015-01-22</pubDate>
    <language>English</language>
    <abstract>
      <section>
        <para>
          <literalLayout>As part of the Long Term Ecological Research (LTER) project in the McMurdo Dry Valleys of Antarctica, a systematic aqueous geochemical sampling program has been undertaken. A series of terrestrial water samples have been collected and analyzed for dissolved total nitrogen levels. This dataset shows concentrations of total nitrogen (in filtered samples) found in various streams of the McMurdo Dry Valleys.</literalLayout>
        </para>
      </section>
    </abstract>
    <keywordSet>
      <keyword>nitrogen</keyword>
      <keyword>streams</keyword>
      <keyword>total nitrogen</keyword>
      <keywordThesaurus>LTER Controlled Vocabulary</keywordThesaurus>
    </keywordSet>
    <keywordSet>
      <keyword>chemistry</keyword>
      <keyword>nitrogen</keyword>
      <keyword>stream</keyword>
      <keyword>total nitrogen</keyword>
      <keywordThesaurus>Station Keywords</keywordThesaurus>
    </keywordSet>
    <keywordSet>
      <keyword>inorganic nutrients</keyword>
      <keywordThesaurus>LTER Core Areas</keywordThesaurus>
    </keywordSet>
    <intellectualRights>
      <section>
        <title>Data Policies</title>
        <para>
          <literalLayout>This data package is released under the Creative Commons Attribution 4.0 International License (CC BY 4.0; http://creativecommons.org/licenses/by/4.0/), which allows consumers (hereinafter referred to as “Data Users”) to freely reuse, redistribute, transform, or build on this work (even commercially) so long as appropriate credit is provided. Accordingly, Data Users are required to properly cite this data package in any publications or in the metadata of any derived products that result from its use (in whole or in part). A recommended citation is provided on the summary metadata page associated with this data package in the McMurdo Dry Valleys LTER Data Catalog (https://mcmlter.org/data), and a generic citation may be found on the summary metadata page in the repository where this data package was obtained. When these data contribute significantly to the contents of a publication, Data Users must also acknowledge that data were provided by the NSF-supported McMurdo Dry Valleys Long Term Ecological Research program (OPP-2224760). This data package has been released in the spirit of open scientific collaboration. Hence, Data Users are strongly encouraged to consider consultation, collaboration, and/or co-authorship (as appropriate) with the data package creator(s). Data Users should be aware these data may be actively used by others for ongoing research; thus, coordination may be necessary to prevent duplicate publication. Data Users should also recognize that misinterpretation of data may occur if they are used outside the context of the original study. Hence, Data Users are urged to contact the data package creator(s) if they have any questions regarding methodology or results. While substantial efforts are made to ensure the accuracy of this data package (with all its components), complete accuracy cannot be guaranteed. Periodic updates to this data package may occur, and it is the responsibility of Data Users to check for new versions. This data package is made available “as is” and comes with no warranty of accuracy or fitness for use. The creator(s) of this data package and the repository where these data were obtained shall not be liable for any damages resulting from misinterpretation, use, or misuse of these data. Finally, as a professional courtesy, we kindly request Data Users notify the primary contact referenced in the metadata when these data are used in the production of any derivative work or publication. Notification should include an explanation of how the data were used, along with a digital copy of the derived product(s). Thank you.</literalLayout>
        </para>
      </section>
    </intellectualRights>
    <distribution>
      <online>
        <url function="information">https://mcm.lternet.edu/content/total-nitrogen-streams</url>
      </online>
    </distribution>
    <coverage>
      <geographicCoverage>
        <geographicDescription>USGS site 4;coordinates taken from 1996-97GPS measurements at center of weirParent Stream: Aiken CreekProvenance : GPS96-97.DOCID: aiken_f5</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.271942100000</westBoundingCoordinate>
          <eastBoundingCoordinate>163.271942100000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.602516000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.602516000000</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>20</altitudeMinimum>
            <altitudeMaximum>20</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>USGS site 9; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Andersen Creek Provenance : GPS96-97.DOC ID: andrsn_h1</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>162.906356800000</westBoundingCoordinate>
          <eastBoundingCoordinate>162.906356800000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.622772000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.622772000000</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>78</altitudeMinimum>
            <altitudeMaximum>78</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Andrews Creek at mouth ID: andrws_mouth</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.044448852539</westBoundingCoordinate>
          <eastBoundingCoordinate>163.044448852539</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.620834350586</northBoundingCoordinate>
          <southBoundingCoordinate>-77.620834350586</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Bohner Stream at mouthId: bohnr_mouth</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>162.544788000000</westBoundingCoordinate>
          <eastBoundingCoordinate>162.544788000000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.695564000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.695564000000</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Bowles Creek at mouth ID: bowles_mouth</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.050003051758</westBoundingCoordinate>
          <eastBoundingCoordinate>163.050003051758</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.622222900391</northBoundingCoordinate>
          <southBoundingCoordinate>-77.622222900391</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>USGS site 1; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Canada Stream Provenance : GPS96-97.DOC ID: canada_f1</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.054733300000</westBoundingCoordinate>
          <eastBoundingCoordinate>163.054733300000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.613655000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.613655000000</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>50</altitudeMinimum>
            <altitudeMaximum>50</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Commonwealth Stream at C1 ID: common_c1 USGS site 13</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.380828900000</westBoundingCoordinate>
          <eastBoundingCoordinate>163.380828900000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.563332000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.563332000000</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>USGS site 6; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Crescent Stream Provenance : GPS96-97.DOC ID: crescent_f8</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.184463500000</westBoundingCoordinate>
          <eastBoundingCoordinate>163.184463500000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.619064000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.619064000000</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>23</altitudeMinimum>
            <altitudeMaximum>23</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>USGS site 7; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Delta Stream Provenance : GPS96-97.DOC ID: delta_f10</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.108444200000</westBoundingCoordinate>
          <eastBoundingCoordinate>163.108444200000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.624619000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.624619000000</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>23</altitudeMinimum>
            <altitudeMaximum>23</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Green Creek at F9Description: USGS site 8; coordinates taken from 1996-97 GPS measurements at center of weirID: green_f9&#160;Provenance&#160;File Name :GPS96-97.DOC</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.059753417969</westBoundingCoordinate>
          <eastBoundingCoordinate>163.059753417969</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.624099731445</northBoundingCoordinate>
          <southBoundingCoordinate>-77.624099731445</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>25</altitudeMinimum>
            <altitudeMaximum>25</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Harnish Creek Tributary at F11Description: USGS site 20; coordinates taken from 1996-97 GPS measurements at center of weirID: harnish_f11File Name :GPS96-97.DOC</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.269515991211</westBoundingCoordinate>
          <eastBoundingCoordinate>163.269515991211</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.621246337891</northBoundingCoordinate>
          <southBoundingCoordinate>-77.621246337891</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>79</altitudeMinimum>
            <altitudeMaximum>79</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Harnish Creek at F7ID: harnish_f7USGS site 17</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.232772827148</westBoundingCoordinate>
          <eastBoundingCoordinate>163.232772827148</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.608329772949</northBoundingCoordinate>
          <southBoundingCoordinate>-77.608329772949</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>House Stream at H2Description: USGS site 10; coordinates taken from 1996-97 GPS measurements at center of weirID: house_h2Provenance File Name :GPS96-97.DOC</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>162.741317749023</westBoundingCoordinate>
          <eastBoundingCoordinate>162.741317749023</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.642982482910</northBoundingCoordinate>
          <southBoundingCoordinate>-77.642982482910</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>81</altitudeMinimum>
            <altitudeMaximum>81</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>USGS site 2; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Huey Creek Provenance : GPS96-97.DOC ID: huey_f2</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.127410900000</westBoundingCoordinate>
          <eastBoundingCoordinate>163.127410900000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.604897000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.604897000000</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>19</altitudeMinimum>
            <altitudeMaximum>19</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>USGS site 16 Parent Stream: Lawson Creek id: lawson_b3</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>162.269910000000</westBoundingCoordinate>
          <eastBoundingCoordinate>162.269910000000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.721248000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.721248000000</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Lizotte Creek at mouth ID: lizotte_mouth</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>162.483337402344</westBoundingCoordinate>
          <eastBoundingCoordinate>162.483337402344</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.704170227051</northBoundingCoordinate>
          <southBoundingCoordinate>-77.704170227051</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>USGS site 3; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Lost Seal Stream Provenance : GPS96-97.DOC ID: lostseal_f3</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.244400000000</westBoundingCoordinate>
          <eastBoundingCoordinate>163.244400000000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.595268000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.595268000000</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>25</altitudeMinimum>
            <altitudeMaximum>25</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Lyons Creek at B4 ID: lyons_b4 USGS site 19</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>162.274993900000</westBoundingCoordinate>
          <eastBoundingCoordinate>162.274993900000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.727776000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.727776000000</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Mariah Creek at mouth ID: mariah_mouth</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.047226000000</westBoundingCoordinate>
          <eastBoundingCoordinate>163.047226000000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.623611000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.623611000000</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Mason Creek at Mouth ID: mason_mouth</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>162.274993900000</westBoundingCoordinate>
          <eastBoundingCoordinate>162.274993900000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.729164000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.729164000000</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>McKay Creek at mouth. Id: mckay_mouth</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>162.747222900000</westBoundingCoordinate>
          <eastBoundingCoordinate>162.747222900000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.644722000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.644722000000</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>0</altitudeMinimum>
            <altitudeMaximum>0</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>McKnight Creek at mouth ID: mcknight_mouth</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.264724700000</westBoundingCoordinate>
          <eastBoundingCoordinate>163.264724700000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.599724000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.599724000000</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>USGS site 15; kiwi site 3500002; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Onyx River Provenance : GPS96-97.DOC ID: onyx_lwright</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>162.653533900000</westBoundingCoordinate>
          <eastBoundingCoordinate>162.653533900000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.444534000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.444534000000</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>273</altitudeMinimum>
            <altitudeMaximum>273</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>USGS site 14; kiwi site 3500001; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Onyx River Provenance : GPS96-97.DOC ID: onyx_vnda</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>161.696624800000</westBoundingCoordinate>
          <eastBoundingCoordinate>161.696624800000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.523430000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.523430000000</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>101</altitudeMinimum>
            <altitudeMaximum>101</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Priscu Stream at B1 Id: priscu_b1 USGS Site 11</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>162.534729000000</westBoundingCoordinate>
          <eastBoundingCoordinate>162.534729000000</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.699997000000</northBoundingCoordinate>
          <southBoundingCoordinate>-77.699997000000</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Red River art Blood Falls ID: red_bfalls</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>162.268051147461</westBoundingCoordinate>
          <eastBoundingCoordinate>162.268051147461</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.723335266113</northBoundingCoordinate>
          <southBoundingCoordinate>-77.723335266113</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Santa Fe Stream at B2 ID: santafe_b2 USGS site 12; formerly N Taylor &amp; Hendy Stream</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>162.266662597656</westBoundingCoordinate>
          <eastBoundingCoordinate>162.266662597656</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.723052978516</northBoundingCoordinate>
          <southBoundingCoordinate>-77.723052978516</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>0</altitudeMinimum>
            <altitudeMaximum>0</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Sharp Creek at mouth. Id: sharp_mouth</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>162.247222900391</westBoundingCoordinate>
          <eastBoundingCoordinate>162.247222900391</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.722221374512</northBoundingCoordinate>
          <southBoundingCoordinate>-77.722221374512</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>USGS site 5; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Von Guerard Stream Provenance : GPS96-97.DOC ID: vguerard_f6</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.253997802734</westBoundingCoordinate>
          <eastBoundingCoordinate>163.253997802734</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.608200073242</northBoundingCoordinate>
          <southBoundingCoordinate>-77.608200073242</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>19</altitudeMinimum>
            <altitudeMaximum>19</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Von Guerard stream at upper site ID: vguerard_upper Coordinates based on averaging the starting and ending points of the 'Von Guerard stream at upper site' transect (measurements are occasionally made in middle of the established transect)</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>163.306304931641</westBoundingCoordinate>
          <eastBoundingCoordinate>163.306304931641</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.634384155273</northBoundingCoordinate>
          <southBoundingCoordinate>-77.634384155273</southBoundingCoordinate>
        </boundingCoordinates>
      </geographicCoverage>
      <geographicCoverage>
        <geographicDescription>Wharton Creek at mouth. ID: wharton_mouth</geographicDescription>
        <boundingCoordinates>
          <westBoundingCoordinate>162.747222900391</westBoundingCoordinate>
          <eastBoundingCoordinate>162.747222900391</eastBoundingCoordinate>
          <northBoundingCoordinate>-77.645835876465</northBoundingCoordinate>
          <southBoundingCoordinate>-77.645835876465</southBoundingCoordinate>
          <boundingAltitudes>
            <altitudeMinimum>0</altitudeMinimum>
            <altitudeMaximum>0</altitudeMaximum>
            <altitudeUnits>meter</altitudeUnits>
          </boundingAltitudes>
        </boundingCoordinates>
      </geographicCoverage>
      <temporalCoverage>
        <rangeOfDates>
          <beginDate>
            <calendarDate>2002-12-12</calendarDate>
          </beginDate>
          <endDate>
            <calendarDate>2005-01-23</calendarDate>
          </endDate>
        </rangeOfDates>
      </temporalCoverage>
    </coverage>
    <maintenance>
      <description>
        <para>
          <literalLayout>Inigo San Gil moved the metadata and data to DEIMS to improve McMurdo LTER services in 2015 Chris Gardner (data manager) created the stream_tn Oracle table in summer 2006 based on the stream DOC table.</literalLayout>
        </para>
      </description>
    </maintenance>
    <contact>
      <organizationName>McMurdo Dry Valleys LTER</organizationName>
      <onlineUrl>http://mcmlter.org/</onlineUrl>
    </contact>
    <publisher>
      <organizationName>McMurdo Dry Valleys LTER</organizationName>
      <onlineUrl>http://mcmlter.org/</onlineUrl>
    </publisher>
    <pubPlace>McMurdo Dry Valleys LTER</pubPlace>
    <methods>
      <methodStep>
        <description>
          <section>
            <para>
              <literalLayout>Samples are analyzed by chemiluminescence using a Shimadzu TOC-V Total Organic Carbon Analyzer with the TNM-1 add-on unit.</literalLayout>
            </para>
          </section>
        </description>
      </methodStep>
    </methods>
    <dataTable>
      <entityName>STREAM_TN</entityName>
      <entityDescription>The spreadsheet details (column names, definitions, units used) for the Stream Total Nitrogen data.</entityDescription>
      <physical>
        <objectName>STREAM_TN.csv</objectName>
        <size>31586</size>
        <dataFormat>
          <textFormat>
            <numHeaderLines>28</numHeaderLines>
            <numFooterLines>1</numFooterLines>
            <recordDelimiter>\n</recordDelimiter>
            <attributeOrientation>column</attributeOrientation>
            <simpleDelimited>
              <fieldDelimiter>,</fieldDelimiter>
              <quoteCharacter>"</quoteCharacter>
            </simpleDelimited>
          </textFormat>
        </dataFormat>
        <distribution>
          <online>
            <url>https://mcm.lternet.edu/sites/default/files/STREAM_TN.csv</url>
          </online>
        </distribution>
      </physical>
      <attributeList>
        <attribute>
          <attributeName>Dataset code</attributeName>
          <attributeLabel>Dataset code</attributeLabel>
          <attributeDefinition>Code representing stream chemistry / total nitrogen dataset</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Code representing stream chemistry / total nitrogen dataset</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>strmgageid</attributeName>
          <attributeLabel>strmgageid</attributeLabel>
          <attributeDefinition>Code representing stream gauge station</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Code representing stream gauge station</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>Location</attributeName>
          <attributeLabel>Location</attributeLabel>
          <attributeDefinition>Name of stream gauge station</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Name of stream gauge station</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>Sample Name</attributeName>
          <attributeLabel>Sample Name</attributeLabel>
          <attributeDefinition>sample name</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>sample name</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>Date_time</attributeName>
          <attributeLabel>Date_time</attributeLabel>
          <attributeDefinition>Date/time of sample (McMurdo time)</attributeDefinition>
          <storageType>date</storageType>
          <measurementScale>
            <dateTime>
              <formatString>MM/DD/YYYY HH24:MI</formatString>
            </dateTime>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>TN (mg/l)</attributeName>
          <attributeLabel>TN (mg/l)</attributeLabel>
          <attributeDefinition>total nitrogen concentration</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <standardUnit>milligramsPerLiter</standardUnit>
              </unit>
              <precision>0.01</precision>
              <numericDomain>
                <numberType>real</numberType>
              </numericDomain>
            </ratio>
          </measurementScale>
          <missingValueCode>
            <code>Null</code>
            <codeExplanation>None given</codeExplanation>
          </missingValueCode>
        </attribute>
        <attribute>
          <attributeName>TN (mM N/L)</attributeName>
          <attributeLabel>TN (mM N/L)</attributeLabel>
          <attributeDefinition>total nitrogen concentration - moles</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>millimoles/liter</customUnit>
              </unit>
              <precision>0.0001</precision>
              <numericDomain>
                <numberType>real</numberType>
              </numericDomain>
            </ratio>
          </measurementScale>
          <missingValueCode>
            <code>Null</code>
            <codeExplanation>None given</codeExplanation>
          </missingValueCode>
        </attribute>
        <attribute>
          <attributeName>TN comments</attributeName>
          <attributeLabel>TN comments</attributeLabel>
          <attributeDefinition>Comments pertaining to total nitrogen measurement</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Comments pertaining to total nitrogen measurement</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>File Name</attributeName>
          <attributeLabel>File Name</attributeLabel>
          <attributeDefinition>Raw data file containing information</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Raw data file containing information</definition>
                </textDomain>
              </nonNumericDomain>
            </nominal>
          </measurementScale>
        </attribute>
      </attributeList>
    </dataTable>
  </dataset>
  <additionalMetadata>
    <metadata>
      <stmml:unitList xmlns:stmml="http://www.xml-cml.org/schema/stmml-1.1" xmlns="http://www.xml-cml.org/schema/stmml" xmlns:sch="http://www.ascc.net/xml/schematron" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xml-cml.org/schema/stmml-1.1 http://nis.lternet.edu/schemas/EML/eml-2.1.0/stmml.xsd">
        <stmml:unit id="millimoles/liter" name="millimoles/liter" abbreviation="" unitType="">
          <stmml:description />
        </stmml:unit>
      </stmml:unitList>
    </metadata>
  </additionalMetadata>
</eml:eml>