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<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_v9.7.1.xsd">
  <Entry_ID>NSIDC-0413</Entry_ID>
  <Entry_Title>Digital Imaging for Siple Dome Ice Core Analysis, Antarctica</Entry_Title>
  <Data_Set_Citation>
    <Dataset_Creator>Fitzpatrick, Joan, Richard Alley, and Matthew Spencer</Dataset_Creator>
    <Dataset_Title>Digital Imaging for Siple Dome Ice Core Analysis, Antarctica</Dataset_Title>
    <Dataset_Release_Date>2009-09-03</Dataset_Release_Date>
    <Dataset_Release_Place>Boulder, Colorado USA</Dataset_Release_Place>
    <Dataset_Publisher>NSIDC: National Snow and Ice Data Center</Dataset_Publisher>
    <Online_Resource>http://nsidc.org/data/nsidc-0413.html</Online_Resource>
    <Dataset_DOI>http://dx.doi.org/10.7265/N5XG9P2G</Dataset_DOI>
  </Data_Set_Citation>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>Richard</First_Name>
    <Last_Name>Alley</Last_Name>
    <Email>ralley@essc.psu.edu</Email>
    <Phone>1 814 863-1700 </Phone>
    <Contact_Address>
      <Address>Pennsylvania State University</Address>
      <Address>Department of Geosciences</Address>
      <Address>306 Deike Building</Address>
      <City>University Park</City>
      <Province_or_State>PA</Province_or_State>
      <Postal_Code>16802</Postal_Code>
    </Contact_Address>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>Joan</First_Name>
    <Last_Name>Fitzpatrick</Last_Name>
    <Email>jfitz@usgs.gov</Email>
    <Phone>1 303 202-4828 </Phone>
    <Contact_Address>
      <Address>United States Geological Survey</Address>
      <Address>MS-980 Box 25046</Address>
      <Address>Denver Federal Center</Address>
      <Address>United States Geological Survey</Address>
      <City>Denver</City>
      <Province_or_State>CO</Province_or_State>
      <Postal_Code>80225</Postal_Code>
      <Country>USA</Country>
    </Contact_Address>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>Matthew</First_Name>
    <Last_Name>Spencer</Last_Name>
    <Contact_Address>
      <Address>Lake Superior State University</Address>
      <Address>Department of Geology and Physics</Address>
      <Address>650 W. Easterday Ave.</Address>
      <City>Sault Ste. Marie</City>
      <Province_or_State>MI</Province_or_State>
      <Postal_Code>49783</Postal_Code>
    </Contact_Address>
  </Personnel>
  <Personnel>
    <Role>Technical Contact</Role>
    <First_Name>NSIDC</First_Name>
    <Last_Name>User Services</Last_Name>
    <Email>nsidc@nsidc.org</Email>
    <Phone>1 303 492-6199 x</Phone>
    <Fax>1 303  492-2468 x</Fax>
    <Contact_Address>
      <Address>National Snow and Ice Data Center</Address>
      <Address>CIRES, 449 UCB</Address>
      <Address>University of Colorado</Address>
      <City>Boulder</City>
      <Province_or_State>CO</Province_or_State>
      <Postal_Code>80309-0449</Postal_Code>
      <Country>USA</Country>
    </Contact_Address>
  </Personnel>
  <Parameters>
    <Category>EARTH SCIENCE</Category>
    <Topic>Paleoclimate</Topic>
    <Term>Ice Core Records</Term>
  </Parameters>
  <Parameters>
    <Category>EARTH SCIENCE</Category>
    <Topic>Paleoclimate</Topic>
    <Term>Ice Core Records</Term>
    <Variable_Level_1>Ice Core Air Bubbles</Variable_Level_1>
  </Parameters>
  <Parameters>
    <Category>EARTH SCIENCE</Category>
    <Topic>Spectral/Engineering</Topic>
    <Term>Visible Wavelengths</Term>
    <Variable_Level_1>Visible Imagery</Variable_Level_1>
  </Parameters>
  <ISO_Topic_Category>Climatology/Meteorology/Atmosphere</ISO_Topic_Category>
  <Keyword>Ice Core</Keyword>
  <Keyword>Ice Core Data</Keyword>
  <Keyword>Ice Cores</Keyword>
  <Keyword>Photographs</Keyword>
  <Keyword>Siple Dome</Keyword>
  <Keyword>Trapped Air Bubbles</Keyword>
  <Sensor_Name>
    <Short_Name>CAMERAS</Short_Name>
  </Sensor_Name>
  <Temporal_Coverage>
    <Start_Date>1998-06-01</Start_Date>
    <Stop_Date>2005-05-30</Stop_Date>
  </Temporal_Coverage>
  <Data_Set_Progress>complete</Data_Set_Progress>
  <Spatial_Coverage>
    <Southernmost_Latitude>-80.666667</Southernmost_Latitude>
    <Northernmost_Latitude>-80.666667</Northernmost_Latitude>
    <Westernmost_Longitude>-148.816667</Westernmost_Longitude>
    <Easternmost_Longitude>-148.816667</Easternmost_Longitude>
    <Minimum_Depth>153 meters</Minimum_Depth>
    <Maximum_Depth>936 meters</Maximum_Depth>
  </Spatial_Coverage>
  <Location>
    <Location_Category>CONTINENT</Location_Category>
    <Location_Type>ANTARCTICA</Location_Type>
  </Location>
  <Data_Set_Language>English</Data_Set_Language>
  <Originating_Center>NSIDC_AGDC</Originating_Center>
  <Data_Center>
    <Data_Center_Name>
      <Short_Name>NSIDC</Short_Name>
      <Long_Name>National Snow and Ice Data Center</Long_Name>
    </Data_Center_Name>
    <Data_Center_URL>http://nsidc.org</Data_Center_URL>
    <Personnel>
      <Role>Data Center Contact</Role>
      <First_Name>NSIDC</First_Name>
      <Last_Name>User Services</Last_Name>
      <Email>nsidc@nsidc.org</Email>
      <Phone>1 303 492-6199 </Phone>
      <Fax>1 303  492-2468 </Fax>
      <Contact_Address>
        <Address>National Snow and Ice Data Center</Address>
        <Address>CIRES, 449 UCB</Address>
        <Address>University of Colorado</Address>
        <City>Boulder</City>
        <Province_or_State>CO</Province_or_State>
        <Postal_Code>80309-0449</Postal_Code>
        <Country>USA</Country>
      </Contact_Address>
    </Personnel>
  </Data_Center>
  <Data_Center>
    <Data_Center_Name>
      <Short_Name>NSIDC_AGDC</Short_Name>
      <Long_Name>NSIDC Antarctic Glaciological Data Center</Long_Name>
    </Data_Center_Name>
    <Data_Center_URL>http://nsidc.org/agdc/</Data_Center_URL>
    <Personnel>
      <Role>Data Center Contact</Role>
      <First_Name>NSIDC AGDC</First_Name>
      <Last_Name>User Services</Last_Name>
      <Email>nsidc@nsidc.org</Email>
      <Phone>1 303 492-6199 </Phone>
      <Fax>1 303  492-2468 </Fax>
      <Contact_Address>
        <Address>National Snow and Ice Data Center</Address>
        <Address>CIRES, 449 UCB</Address>
        <Address>University of Colorado</Address>
        <City>Boulder</City>
        <Province_or_State>CO</Province_or_State>
        <Postal_Code>80309-0449</Postal_Code>
        <Country>USA</Country>
      </Contact_Address>
    </Personnel>
  </Data_Center>
  <Distribution>
    <Distribution_Media>FTP</Distribution_Media>
    <Distribution_Size>716.6 MB</Distribution_Size>
    <Distribution_Format>Photoshop</Distribution_Format>
  </Distribution>
  <Distribution>
    <Distribution_Media>FTP</Distribution_Media>
    <Distribution_Size>738.1 MB</Distribution_Size>
    <Distribution_Format>TIFF</Distribution_Format>
  </Distribution>
  <Multimedia_Sample>
    <File>http://nsidc.org/data/docs/agdc/nsidc0413_fitzpatrick/SDMA153-5HBa_sample.png</File>
    <Caption>Sample Image</Caption>
  </Multimedia_Sample>
  <Multimedia_Sample>
    <File>http://nsidc.org/data/docs/agdc/nsidc0413_fitzpatrick/SDMA153-5HBa_sample.png</File>
    <Caption>Sample Horizontal Bubble Ice Core Section (SDMA153-5HBa.tif)</Caption>
  </Multimedia_Sample>
  <Reference>Diprinzio, C. L., L. A. Wilen, R. B. Alley, J. J. Fitzpatrick, M. K. Spencer, M. J. Gow. 2005. Fabric and texture at Siple Dome, Antarctia. Journal of Glaciology, Vol. 51, no. 173, pp. 281-290.

Spencer, M. K., R. B. Alley, and J. J. Fitzpatrick. 2006. Developing a bubble number-density paleoclimatic indicator for glacier ice. Journal of Glaciology, Volume 52, Number 178, pp. 358-364(7).</Reference>
  <Summary>This data set contains high-resolution digital images of thin and thick sections cut from the 1003 meter Siple Dome A main ice core. The images are useful for crystal size and orientation analysis and bubble size, shape, distribution, and number density determinations. The data set contains several generations of images, taken between June 1998 and May 2005. An accompanying spreadsheet contains creation date information for each file.

The data are available via FTP in Adobe Photoshop Document (.psd), and Tagged Image File (.tif) formats. Additional information is provided as a Microsoft Excel (.xls) spreadsheet.</Summary>
  <Related_URL>
    <URL_Content_Type>
      <Type>VIEW PROJECT HOME PAGE</Type>
    </URL_Content_Type>
    <URL>http://nsidc.org/agdc/</URL>
    <Description>Project Home Page</Description>
  </Related_URL>
  <Metadata_Name>CEOS IDN DIF</Metadata_Name>
  <Metadata_Version>9.7</Metadata_Version>
  <DIF_Creation_Date>2009-09-03</DIF_Creation_Date>
  <Last_DIF_Revision_Date>2013-03-20</Last_DIF_Revision_Date>
  <DIF_Revision_History> Added DOI</DIF_Revision_History>
</DIF>
