<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-recon-8728</Entry_ID>
  <Entry_Title>Hegerl et al. 2007 1500 Year N. Hemisphere Temperature Recons</Entry_Title>
  <Data_Set_Citation>
    <Dataset_Creator>Hegerl, G.C.; Crowley, T.J.; Allen, M.; Hyde, W.T.; Pollack, H.N.; Smerdon, J.E.; Zorita, E.</Dataset_Creator>
    <Dataset_Title>Hegerl et al. 2007 1500 Year N. Hemisphere Temperature Recons</Dataset_Title>
    <Dataset_Release_Date>2007-07-01</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/8728</Online_Resource>
  </Data_Set_Citation>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>G.C.</First_Name>
    <Last_Name>Hegerl</Last_Name>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>T.J.</First_Name>
    <Last_Name>Crowley</Last_Name>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>M.</First_Name>
    <Last_Name>Allen</Last_Name>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>W.T.</First_Name>
    <Last_Name>Hyde</Last_Name>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>H.N.</First_Name>
    <Last_Name>Pollack</Last_Name>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>J.E.</First_Name>
    <Last_Name>Smerdon</Last_Name>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>E.</First_Name>
    <Last_Name>Zorita</Last_Name>
  </Personnel>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>climate forcing</Term>
    <Detailed_Variable>greenhouse gas forcing,null,null,watt per square meter,null,climate forcing,anomalized,null,N,null</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>climate reconstructions</Term>
    <Detailed_Variable>temperature,null,null,degree Celsius,null,climate reconstructions,anomalized,null,N,null</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>climate forcing</Term>
    <Detailed_Variable>anthropogenic aerosol forcing,null,null,watt per square meter,null,climate forcing,anomalized,null,N,tropospheric aerosol forcing</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>climate reconstructions</Term>
    <Detailed_Variable>temperature,null,97.5% confidence interval lower bound,degree Celsius,null,climate reconstructions,anomalized,null,N,null</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>climate reconstructions</Term>
    <Detailed_Variable>temperature,null,97.5% confidence interval upper bound,degree Celsius,null,climate reconstructions,anomalized,null,N,null</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>climate forcing</Term>
    <Detailed_Variable>volcanic forcing,null,null,watt per square meter,null,climate forcing,anomalized,null,N,null</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>climate forcing</Term>
    <Detailed_Variable>solar irradiance,null,null,watt per square meter,null,climate forcing,anomalized,null,N,null</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>climate reconstructions</Term>
    <Detailed_Variable>age,null,null,year Common Era,null,climate reconstructions,null,null,N,null</Detailed_Variable>
  </Parameters>
  <Parameters>
    <Category>earth science</Category>
    <Topic>paleoclimate</Topic>
    <Term>reconstructions</Term>
  </Parameters>
  <ISO_Topic_Category>geoscientificInformation</ISO_Topic_Category>
  <Keyword>Air Temperature Reconstruction</Keyword>
  <Paleo_Temporal_Coverage>
    <Paleo_Start_Date>558 AD</Paleo_Start_Date>
    <Paleo_Stop_Date>1960 AD</Paleo_Stop_Date>
  </Paleo_Temporal_Coverage>
  <Paleo_Temporal_Coverage>
    <Paleo_Start_Date>1392 cal yr BP</Paleo_Start_Date>
    <Paleo_Stop_Date>-10 cal yr BP</Paleo_Stop_Date>
  </Paleo_Temporal_Coverage>
  <Data_Set_Progress>Complete</Data_Set_Progress>
  <Spatial_Coverage>
    <Southernmost_Latitude>0</Southernmost_Latitude>
    <Northernmost_Latitude>90</Northernmost_Latitude>
    <Westernmost_Longitude>-180</Westernmost_Longitude>
    <Easternmost_Longitude>180</Easternmost_Longitude>
  </Spatial_Coverage>
  <Location>
    <Location_Category>Geographic Region</Location_Category>
    <Location_Type>Northern Hemisphere</Location_Type>
    <Detailed_Location>Northern Hemisphere&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/>
  <Summary>
    <Abstract>Records of past temperature, precipitation, and other climate variables derived from paleoclimate proxies.  Parameter keywords describe what was measured in this data set.  Additional summary information can be found in the abstracts of papers listed in the data set citations.</Abstract>
  </Summary>
  <Related_URL>
    <URL_Content_Type>
      <Type>GET DATA</Type>
    </URL_Content_Type>
    <URL>https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/hegerl2007/nh-temp-hegerl2007.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>2019-06-18</DIF_Creation_Date>
  <Last_DIF_Revision_Date>2019-06-18</Last_DIF_Revision_Date>
</DIF>
