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  <Entry_ID>noaa-tree-23051</Entry_ID>
  <Entry_Title>Sullivan - Tanana Valley - PCMA - ITRDB AK155</Entry_Title>
  <Data_Set_Citation>
    <Dataset_Creator>Sullivan, P.F.</Dataset_Creator>
    <Dataset_Title>Sullivan - Tanana Valley - PCMA - ITRDB AK155</Dataset_Title>
    <Dataset_Release_Date>2017-11-02</Dataset_Release_Date>
    <Dataset_Publisher>NCDC-Paleoclimatology</Dataset_Publisher>
    <Data_Presentation_Form>ONLINE Files</Data_Presentation_Form>
    <Dataset_DOI>10.25921/6k58-qg02</Dataset_DOI>
    <Online_Resource>https://www.ncdc.noaa.gov/paleo/study/23051</Online_Resource>
  </Data_Set_Citation>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>P.F.</First_Name>
    <Last_Name>Sullivan</Last_Name>
  </Personnel>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 545m2; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 545m4; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 10726m2; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 14889m6; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 15725m5; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 18913m2; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: T041Pm64; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: T041Pm65; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 8321m4; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 25684m1; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 39206m3; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 41355m2; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
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  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 43202m3; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 45599m2; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
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  <Parameters>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
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    <Topic>paleoclimate</Topic>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: L133Pm06; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: L133Pm09; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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  </Parameters>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>age,null,null,year Common Era,null,tree ring,null,null,N,null</Detailed_Variable>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
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    <Topic>paleoclimate</Topic>
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    <Topic>paleoclimate</Topic>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
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    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 60115m1; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 60115m2; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 61122m1; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 61311m2; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 61311m3; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 62894m1; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 62894m3; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 64145m3; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 64323m2; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: 64323m3; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: E149Pm37; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: E153Pm6; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: F032Pm8; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: L133Pm02; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: L133Pm10; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: L133Pm13; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: L137Pm5; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>total ring width,null,null,millimeter,null,tree ring,null,null,N,Tree ID: T041Pm57; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree-ring</Term>
    <Variable_Level_1>width</Variable_Level_1>
  </Parameters>
  <ISO_Topic_Category>geoscientificInformation</ISO_Topic_Category>
  <Keyword>PCMA</Keyword>
  <Keyword>Picea mariana (Mill.) Britton, Sterns, &amp; Poggenb.</Keyword>
  <Keyword>black spruce</Keyword>
  <Paleo_Temporal_Coverage>
    <Paleo_Start_Date>1776 AD</Paleo_Start_Date>
    <Paleo_Stop_Date>2013 AD</Paleo_Stop_Date>
  </Paleo_Temporal_Coverage>
  <Paleo_Temporal_Coverage>
    <Paleo_Start_Date>174 cal yr BP</Paleo_Start_Date>
    <Paleo_Stop_Date>-63 cal yr BP</Paleo_Stop_Date>
  </Paleo_Temporal_Coverage>
  <Data_Set_Progress>Complete</Data_Set_Progress>
  <Spatial_Coverage>
    <Southernmost_Latitude>63.9846</Southernmost_Latitude>
    <Northernmost_Latitude>63.9846</Northernmost_Latitude>
    <Westernmost_Longitude>-144.2539</Westernmost_Longitude>
    <Easternmost_Longitude>-144.2539</Easternmost_Longitude>
    <Minimum_Altitude>200</Minimum_Altitude>
    <Maximum_Altitude>200</Maximum_Altitude>
  </Spatial_Coverage>
  <Location>
    <Location_Category>Continent</Location_Category>
    <Location_Type>North America</Location_Type>
    <Location_Subregion1>United States Of America</Location_Subregion1>
    <Location_Subregion2>Alaska</Location_Subregion2>
    <Detailed_Location>Tanana Valley&gt;LATITUDE 63.9846&gt;LONGITUDE -144.2539</Detailed_Location>
  </Location>
  <Access_Constraints>None</Access_Constraints>
  <Use_Constraints>Please cite original publication, online resource, dataset and publication DOIs (where available), and date accessed when using downloaded data. If there is no publication information, please cite investigator, title, online resource, and date accessed. The appearance of external links associated with a dataset does not constitute endorsement by the Department of Commerce/National Oceanic and Atmospheric Administration of external Web sites or the information, products or services contained therein. For other than authorized activities, the Department of Commerce/NOAA does not exercise any editorial control over the information you may find at these locations. These links are provided consistent with the stated purpose of this Department of Commerce/NOAA Web site.</Use_Constraints>
  <Data_Set_Language>English</Data_Set_Language>
  <Data_Center>
    <Data_Center_Name>
      <Short_Name>DOC/NOAA/NESDIS/NCEI</Short_Name>
      <Long_Name>National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce </Long_Name>
    </Data_Center_Name>
    <Data_Center_URL>https://www.ncdc.noaa.gov/data-access/paleoclimatology-data</Data_Center_URL>
    <Personnel>
      <Role>DATA Center Contact</Role>
      <First_Name>Bruce</First_Name>
      <Last_Name>Bauer</Last_Name>
      <Email>bruce.a.bauer@noaa.gov</Email>
      <Email>paleo@noaa.gov</Email>
      <Phone>303-497-6280</Phone>
      <Fax>303-497-6513</Fax>
      <Contact_Address>
        <Address>325 Broadway, E/NE31</Address>
        <City>Boulder</City>
        <Province_or_State>CO</Province_or_State>
        <Postal_Code>80305-3328</Postal_Code>
        <Country>USA</Country>
      </Contact_Address>
    </Personnel>
  </Data_Center>
  <Distribution>
    <Distribution_Media>online</Distribution_Media>
    <Distribution_Format>ASCII</Distribution_Format>
  </Distribution>
  <Reference>
    <Author>Patrick F. Sullivan, Robert R. Pattison, Annalis H. Brownlee, Sean M.P. Cahoon and Teresa N. Hollingsworth</Author>
    <Publication_Date>2016</Publication_Date>
    <Title>Effect of tree-ring detrending method on apparent growth trends of black and white spruce in interior Alaska</Title>
    <Series>Environmental Research Letters</Series>
    <Edition>114007</Edition>
    <Volume>11</Volume>
    <Issue>11</Issue>
    <DOI>10.1088/1748-9326/11/11/114007</DOI>
    <Online_Resource>http://iopscience.iop.org/article/10.1088/1748-9326/11/11/114007/</Online_Resource>
  </Reference>
  <Reference>
    <Author>Patrick F. Sullivan, Robert R. Pattison, Annalis H. Brownlee, Sean M. P. Cahoon, Teresa N. Hollingsworth</Author>
    <Publication_Date>2017</Publication_Date>
    <Title>Limited evidence of declining growth among moisture-limited black and white spruce in interior Alaska</Title>
    <Series>Scientific Reports</Series>
    <Edition>15344</Edition>
    <Volume>7</Volume>
    <DOI>10.1038/s41598-017-15644-7</DOI>
    <Online_Resource>https://www.nature.com/articles/s41598-017-15644-7</Online_Resource>
  </Reference>
  <Summary>
    <Abstract>Boreal forests are critical sinks in the global carbon cycle. However, recent studies have revealed increasing frequency and extent of wildfires, decreasing landscape greenness, increasing tree mortality and declining growth of black and white spruce in boreal North America. We measured ring widths from a large set of increment cores collected across a vast area of interior Alaska and examined implications of data processing decisions for apparent trends in black and white spruce growth. We found that choice of detrending method had important implications for apparent long-term growth trends and the strength of climate-growth correlations. Trends varied from strong increases in growth since the Industrial Revolution, when ring widths were detrended using single-curve regional curve standardization (RCS), to strong decreases in growth, when ring widths were normalized by fitting a horizontal line to each ring width series. All methods revealed a pronounced growth peak for black and white spruce centered near 1940. Most detrending methods showed a decline from the peak, leaving recent growth of both species near the long-term mean. Climate-growth analyses revealed negative correlations with growing season temperature and positive correlations with August precipitation for both species. Multiple-curve RCS detrending produced the strongest and/or greatest number of significant climate-growth correlations. Results provide important historical context for recent growth of black and white spruce. Growth of both species might decline with future warming, if not mitigated by increasing precipitation. However, widespread drought-induced mortality is probably not imminent, given that recent growth was near the long-term mean. 
          STUDY NOTES: NOAA Template Raw Measurements file added 2019-02-08.</Abstract>
  </Summary>
  <Related_URL>
    <URL_Content_Type>
      <Type>GET DATA</Type>
    </URL_Content_Type>
    <URL>https://www1.ncdc.noaa.gov/pub/data/paleo/treering/measurements/northamerica/usa/ak155.rwl</URL>
  </Related_URL>
  <Related_URL>
    <URL_Content_Type>
      <Type>GET DATA</Type>
    </URL_Content_Type>
    <URL>https://www1.ncdc.noaa.gov/pub/data/paleo/treering/measurements/northamerica/usa/ak155-noaa.rwl</URL>
    <Description>Raw Measurements - NOAA Template File; ak155-noaa.rwl</Description>
  </Related_URL>
  <Related_URL>
    <URL_Content_Type>
      <Type>GET DATA</Type>
    </URL_Content_Type>
    <URL>https://www1.ncdc.noaa.gov/pub/data/paleo/treering/measurements/correlation-stats/ak155.txt</URL>
  </Related_URL>
  <IDN_Node>
    <Short_Name>USA/NOAA</Short_Name>
  </IDN_Node>
  <Metadata_Name>DIF</Metadata_Name>
  <Metadata_Version>Version 9.8.4</Metadata_Version>
  <DIF_Creation_Date>2019-02-13</DIF_Creation_Date>
  <Last_DIF_Revision_Date>2019-02-13</Last_DIF_Revision_Date>
</DIF>
