<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-icecore-12949</Entry_ID>
  <Entry_Title>West Antarctic Ice Sheet (WAIS) Ice Core WDC-05A 1000 Year CO2 Data</Entry_Title>
  <Data_Set_Citation>
    <Dataset_Creator>Ahn, J.; Brook, E.J.; Mitchell, L.E.; Rosen, J.; McConnell, J.R.; Taylor, K.C.; Etheridge, D.M.; Rubino, D.L.</Dataset_Creator>
    <Dataset_Title>West Antarctic Ice Sheet (WAIS) Ice Core WDC-05A 1000 Year CO2 Data</Dataset_Title>
    <Dataset_Release_Date>2012-05-27</Dataset_Release_Date>
    <Dataset_Publisher>NCDC-Paleoclimatology</Dataset_Publisher>
    <Data_Presentation_Form>ONLINE Files</Data_Presentation_Form>
    <Dataset_DOI>Pending</Dataset_DOI>
    <Online_Resource>https://www.ncdc.noaa.gov/paleo/study/12949</Online_Resource>
  </Data_Set_Citation>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>J.</First_Name>
    <Last_Name>Ahn</Last_Name>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>E.J.</First_Name>
    <Last_Name>Brook</Last_Name>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>L.E.</First_Name>
    <Last_Name>Mitchell</Last_Name>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>J.</First_Name>
    <Last_Name>Rosen</Last_Name>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>J.R.</First_Name>
    <Last_Name>McConnell</Last_Name>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>K.C.</First_Name>
    <Last_Name>Taylor</Last_Name>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>D.M.</First_Name>
    <Last_Name>Etheridge</Last_Name>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>D.L.</First_Name>
    <Last_Name>Rubino</Last_Name>
  </Personnel>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>climate forcing|ice cores</Term>
    <Detailed_Variable>carbon dioxide,bulk atmosphere,one standard deviation,parts per million,null,climate forcing|ice cores,corrected,gas chromatography - flame ionization detection,N,correction: gravitational fractionation</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>ice cores</Term>
    <Detailed_Variable>number of samples,null,null,count,null,ice cores,null,null,N,null</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>ice cores</Term>
    <Detailed_Variable>depth,null,null,meter,null,ice cores,null,null,N,null</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>ice cores</Term>
    <Detailed_Variable>gas age,null,null,year Common Era,null,ice cores,null,null,N,null</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>climate forcing|ice cores</Term>
    <Detailed_Variable>carbon dioxide,bulk atmosphere,null,parts per million,null,climate forcing|ice cores,corrected,gas chromatography - flame ionization detection,N,Corrections for gas solubility and blank and gravitational enrichment for the Oregon State University data</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>ice core</Term>
    <Variable_Level_1>atmospheric gas</Variable_Level_1>
  </Parameters>
  <ISO_Topic_Category>geoscientificInformation</ISO_Topic_Category>
  <Paleo_Temporal_Coverage>
    <Paleo_Start_Date>993 AD</Paleo_Start_Date>
    <Paleo_Stop_Date>1939 AD</Paleo_Stop_Date>
  </Paleo_Temporal_Coverage>
  <Paleo_Temporal_Coverage>
    <Paleo_Start_Date>957 cal yr BP</Paleo_Start_Date>
    <Paleo_Stop_Date>11 cal yr BP</Paleo_Stop_Date>
  </Paleo_Temporal_Coverage>
  <Data_Set_Progress>Complete</Data_Set_Progress>
  <Spatial_Coverage>
    <Southernmost_Latitude>-79.47</Southernmost_Latitude>
    <Northernmost_Latitude>-79.47</Northernmost_Latitude>
    <Westernmost_Longitude>-112.13</Westernmost_Longitude>
    <Easternmost_Longitude>-112.13</Easternmost_Longitude>
    <Minimum_Altitude>1759</Minimum_Altitude>
    <Maximum_Altitude>1759</Maximum_Altitude>
  </Spatial_Coverage>
  <Location>
    <Location_Category>Continent</Location_Category>
    <Location_Type>Antarctica</Location_Type>
    <Detailed_Location>WAIS Divide WDC05A&gt;LATITUDE -79.47&gt;LONGITUDE -112.13</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>Ahn, J., E.J. Brook, L. Mitchell, J. Rosen, J.R. McConnell, 
K. Taylor, D. Etheridge, and M. Rubino. 2012. 
Atmospheric CO2 over the last 1000 years: A high-resolution 
record from the West Antarctic Ice Sheet (WAIS) Divide ice core. 
Global Biogeochem. Cycles, 26, 2, GB2027, doi:10.1029/2011GB004247</Reference>
  <Summary>
    <Abstract/>
  </Summary>
  <Related_URL>
    <URL_Content_Type>
      <Type>GET DATA</Type>
    </URL_Content_Type>
    <URL>https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/wais2012co2.xls</URL>
  </Related_URL>
  <Related_URL>
    <URL_Content_Type>
      <Type>GET DATA</Type>
    </URL_Content_Type>
    <URL>https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/wais2012co2.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>2018-12-11</DIF_Creation_Date>
  <Last_DIF_Revision_Date>2018-12-11</Last_DIF_Revision_Date>
</DIF>
