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  <dataset>
    <shortName>trcrnutr</shortName>
    <title>Tracer Experiment Stream Nutrients during 1995</title>
    <creator>
      <individualName>
        <givenName>Diane</givenName>
        <surName>McKnight</surName>
      </individualName>
      <electronicMailAddress>diane.mcknight@colorado.edu</electronicMailAddress>
      <userId directory="https://orcid.org">https://orcid.org/0000-0002-4171-1533</userId>
    </creator>
    <metadataProvider>
      <organizationName>McMurdo Dry Valleys LTER</organizationName>
      <onlineUrl>http://mcmlter.org/</onlineUrl>
    </metadataProvider>
    <pubDate>2015-01-22</pubDate>
    <language>English</language>
    <keywordSet>
      <keyword>ammonium</keyword>
      <keyword>chemistry</keyword>
      <keyword>McMurdo Dry Valleys</keyword>
      <keyword>nitrate</keyword>
      <keyword>nitrite</keyword>
      <keyword>nutrient</keyword>
      <keyword>phosphorus</keyword>
      <keywordThesaurus>Station Keywords</keywordThesaurus>
    </keywordSet>
    <additionalInfo>
      <para>
        <literalLayout>Data contained in these files has been subjected to quality control standards imposed by the investigator. The user of this data should be aware that, while efforts have been taken to ensure that these data are of the highest quality, there is no guarantee of perfection for the data contained herein and the possibility of errors exists. If you encounter questionable data, please contact the MCM LTER data manager corrected or qualified. Thus, these data may be modified and future data will be appended.</literalLayout>
      </para>
    </additionalInfo>
    <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/tracer-experiment-stream-nutrients-during-1995</url>
      </online>
    </distribution>
    <coverage>
      <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>
      <temporalCoverage>
        <rangeOfDates>
          <beginDate>
            <calendarDate>1995-01-13</calendarDate>
          </beginDate>
          <endDate>
            <calendarDate>1995-01-14</calendarDate>
          </endDate>
        </rangeOfDates>
      </temporalCoverage>
    </coverage>
    <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>
    <dataTable>
      <entityName>trcrnutr</entityName>
      <physical>
        <objectName>trcrnutr.csv</objectName>
        <size>29819</size>
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        <distribution>
          <online>
            <url>https://mcm.lternet.edu/sites/default/files/data/trcrnutr.csv</url>
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          <attributeName>DATASET_CODE</attributeName>
          <attributeLabel>DATASET_CODE</attributeLabel>
          <attributeDefinition>Code to ID the data table</attributeDefinition>
          <storageType>string</storageType>
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              <nonNumericDomain>
                <textDomain>
                  <definition>Code to ID the data table</definition>
                </textDomain>
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        <attribute>
          <attributeName>LOCATION</attributeName>
          <attributeLabel>Stream Sampling Location</attributeLabel>
          <attributeDefinition>Name of stream</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Name of stream</definition>
                </textDomain>
              </nonNumericDomain>
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        <attribute>
          <attributeName>DATE_TIME</attributeName>
          <attributeLabel>DATE_TIME</attributeLabel>
          <attributeDefinition>Date/time of sample (New Zealand DST, +13 UTC)</attributeDefinition>
          <storageType>date</storageType>
          <measurementScale>
            <dateTime>
              <formatString>MM/DD/YYYY</formatString>
            </dateTime>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>N02 (uM)</attributeName>
          <attributeLabel>NO2 (microM)</attributeLabel>
          <attributeDefinition>nitrite concentration determined through automated methods</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>microM</customUnit>
              </unit>
              <precision>0.001</precision>
              <numericDomain>
                <numberType>real</numberType>
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          </measurementScale>
          <missingValueCode>
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            <codeExplanation>None given</codeExplanation>
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        <attribute>
          <attributeName>N02 Comments</attributeName>
          <attributeLabel>N02 Comments</attributeLabel>
          <attributeDefinition>Helpful hints about the NO2 sample</attributeDefinition>
          <storageType>string</storageType>
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            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Helpful hints about the NO2 sample</definition>
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          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>N03 (uM)</attributeName>
          <attributeLabel>NO3 (microM)</attributeLabel>
          <attributeDefinition>nitrate concentration determined through automated methods</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>microM</customUnit>
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              <precision>0.001</precision>
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        <attribute>
          <attributeName>N03 Comments</attributeName>
          <attributeLabel>N03 Comments</attributeLabel>
          <attributeDefinition>Helpful hints about the NO3 sample</attributeDefinition>
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                  <definition>Helpful hints about the NO3 sample</definition>
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          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>SRP (uM)</attributeName>
          <attributeLabel>SRP (microM)</attributeLabel>
          <attributeDefinition>soluble reactive phosphorus concentration determined through automated methods</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>microM</customUnit>
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              <precision>0.01</precision>
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        <attribute>
          <attributeName>SRP Comments</attributeName>
          <attributeLabel>SRP Comments</attributeLabel>
          <attributeDefinition>Helpful hints about the SRP sample</attributeDefinition>
          <storageType>string</storageType>
          <measurementScale>
            <nominal>
              <nonNumericDomain>
                <textDomain>
                  <definition>Helpful hints about the SRP sample</definition>
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            </nominal>
          </measurementScale>
        </attribute>
        <attribute>
          <attributeName>NH4 (uM)</attributeName>
          <attributeLabel>NH4 (microM)</attributeLabel>
          <attributeDefinition>ammonium concentration determined through automated methods</attributeDefinition>
          <measurementScale>
            <ratio>
              <unit>
                <customUnit>microM</customUnit>
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              <precision>0.0001</precision>
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                <numberType>real</numberType>
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          <attributeName>NH4 Comments</attributeName>
          <attributeLabel>NH4 Comments</attributeLabel>
          <attributeDefinition>Helpful hints about the NH4 sample</attributeDefinition>
          <storageType>string</storageType>
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                  <definition>Helpful hints about the NH4 sample</definition>
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        <attribute>
          <attributeName>Data Source</attributeName>
          <attributeLabel>Data Source</attributeLabel>
          <attributeDefinition>file name and/or location of data documentation</attributeDefinition>
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