<DIF xmlns="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/ http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/dif_v9.8.4.xsd">
  <Entry_ID>noaa-tree-6111</Entry_ID>
  <Entry_Title>Evans and Schrag 2004 Tropical and Temperate Americas Tree Isotope Data</Entry_Title>
  <Data_Set_Citation>
    <Dataset_Creator>Evans, M.N.; Schrag, D.P.</Dataset_Creator>
    <Dataset_Title>Evans and Schrag 2004 Tropical and Temperate Americas Tree Isotope Data</Dataset_Title>
    <Dataset_Release_Date>2007-10-01</Dataset_Release_Date>
    <Dataset_Publisher>NCDC-Paleoclimatology</Dataset_Publisher>
    <Data_Presentation_Form>ONLINE Files</Data_Presentation_Form>
    <Dataset_DOI>10.25921/kd01-gp57</Dataset_DOI>
    <Online_Resource>https://www.ncdc.noaa.gov/paleo/study/6111</Online_Resource>
  </Data_Set_Citation>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>M.N.</First_Name>
    <Last_Name>Evans</Last_Name>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>D.P.</First_Name>
    <Last_Name>Schrag</Last_Name>
  </Personnel>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>delta 18O,alpha cellulose,null,per mil SMOW,null,tree ring,null,null,N,null</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>delta 18O,alpha cellulose,one standard deviation,per mil SMOW,null,tree ring,averaged,null,N,standard deviation of 2-4 replicates</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>depth,null,null,millimeter,null,tree ring,null,null,N,0 arbitrarily set to most recent tree growth</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>age,null,null,year Common Era,null,tree ring,null,null,N,based on age model described in Evans and Schrag (2004)</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree ring</Term>
    <Detailed_Variable>delta 18O,alpha cellulose,null,per mil SMOW,null,tree ring,averaged,null,N,mean of 2-4 replicates</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>tree-ring</Term>
    <Variable_Level_1>oxygen isotopes</Variable_Level_1>
  </Parameters>
  <ISO_Topic_Category>geoscientificInformation</ISO_Topic_Category>
  <Paleo_Temporal_Coverage>
    <Paleo_Start_Date>1905 AD</Paleo_Start_Date>
    <Paleo_Stop_Date>2001 AD</Paleo_Stop_Date>
  </Paleo_Temporal_Coverage>
  <Paleo_Temporal_Coverage>
    <Paleo_Start_Date>45 cal yr BP</Paleo_Start_Date>
    <Paleo_Stop_Date>-51 cal yr BP</Paleo_Stop_Date>
  </Paleo_Temporal_Coverage>
  <Data_Set_Progress>Complete</Data_Set_Progress>
  <Spatial_Coverage>
    <Southernmost_Latitude>9</Southernmost_Latitude>
    <Northernmost_Latitude>72</Northernmost_Latitude>
    <Westernmost_Longitude>-170</Westernmost_Longitude>
    <Easternmost_Longitude>-50</Easternmost_Longitude>
  </Spatial_Coverage>
  <Location>
    <Location_Category>Continent</Location_Category>
    <Location_Type>North America</Location_Type>
    <Detailed_Location>North America and northern Central America&gt;LATITUDE &gt;LONGITUDE </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>Evans, M.N. and D.P. Schrag</Author>
    <Publication_Date>2004</Publication_Date>
    <Title>A stable isotope-based approach to tropical dendroclimatology</Title>
    <Series>Geochimica et Cosmochimica Acta</Series>
    <Volume>68</Volume>
    <Issue>16</Issue>
    <Pages>3295-3305</Pages>
    <DOI>10.1016/j.gca.2004.01.006</DOI>
  </Reference>
  <Summary>
    <Abstract> 
          STUDY NOTES: Tropical and Temperate Americas Tree Isotope Data 
IITRDB001</Abstract>
  </Summary>
  <Related_URL>
    <URL_Content_Type>
      <Type>GET DATA</Type>
    </URL_Content_Type>
    <URL>https://www1.ncdc.noaa.gov/pub/data/paleo/treering/isotope/northamerica/costarica/evans2004/evans2004.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>2019-03-01</DIF_Creation_Date>
  <Last_DIF_Revision_Date>2019-03-01</Last_DIF_Revision_Date>
</DIF>
