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  <Entry_ID>NSIDC-0498</Entry_ID>
  <Entry_Title>MEaSUREs Antarctic Grounding Line from Differential Satellite Radar Interferometry</Entry_Title>
  <Data_Set_Citation>
    <Dataset_Creator>Rignot, E., J. Mouginot, and B. Scheuchl</Dataset_Creator>
    <Dataset_Title>MEaSUREs Antarctic Grounding Line from Differential Satellite Radar Interferometry</Dataset_Title>
    <Dataset_Release_Date>2011-12-13</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-0498.html</Online_Resource>
  </Data_Set_Citation>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>Eric</First_Name>
    <Last_Name>Rignot</Last_Name>
    <Contact_Address>
      <Address>University of California, Irvine</Address>
      <Address>Department of Earth System Science</Address>
      <Address>Croul Hall</Address>
      <City>Irvine</City>
      <Province_or_State>California</Province_or_State>
      <Postal_Code>92697</Postal_Code>
      <Country>USA</Country>
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  <Personnel>
    <Role>Investigator</Role>
    <First_Name>Jeremie</First_Name>
    <Last_Name>Mouginot</Last_Name>
    <Contact_Address>
      <Address>University of California, Irvine</Address>
      <Address>Department of Earth System Science</Address>
      <Address>Croul Hall</Address>
      <City>Irvine</City>
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      <Postal_Code>92697</Postal_Code>
      <Country>USA</Country>
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  <Personnel>
    <Role>Investigator</Role>
    <First_Name>Bernd</First_Name>
    <Last_Name>Scheuchl</Last_Name>
    <Contact_Address>
      <Address>University of California, Irvine</Address>
      <Address>Department of Earth System Science</Address>
      <Address>Croul Hall</Address>
      <City>Irvine</City>
      <Province_or_State>California</Province_or_State>
      <Postal_Code>92697</Postal_Code>
      <Country>USA</Country>
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  </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>
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  </Personnel>
  <Parameters>
    <Category>EARTH SCIENCE</Category>
    <Topic>Cryosphere</Topic>
    <Term>Glaciers/Ice Sheets</Term>
    <Variable_Level_1>Glacier Mass Balance/Ice Sheet Mass Balance</Variable_Level_1>
  </Parameters>
  <Parameters>
    <Category>EARTH SCIENCE</Category>
    <Topic>Cryosphere</Topic>
    <Term>Glaciers/Ice Sheets</Term>
    <Variable_Level_1>Glaciers</Variable_Level_1>
  </Parameters>
  <Parameters>
    <Category>EARTH SCIENCE</Category>
    <Topic>Cryosphere</Topic>
    <Term>Glaciers/Ice Sheets</Term>
    <Variable_Level_1>Glacier Topography/Ice Sheet Topography</Variable_Level_1>
  </Parameters>
  <Parameters>
    <Category>EARTH SCIENCE</Category>
    <Topic>Cryosphere</Topic>
    <Term>Glaciers/Ice Sheets</Term>
    <Variable_Level_1>Ice Sheets</Variable_Level_1>
  </Parameters>
  <Parameters>
    <Category>EARTH SCIENCE</Category>
    <Topic>Terrestrial Hydrosphere</Topic>
    <Term>Glaciers/Ice Sheets</Term>
    <Variable_Level_1>Glacier Elevation/Ice Sheet Elevation</Variable_Level_1>
  </Parameters>
  <Parameters>
    <Category>EARTH SCIENCE</Category>
    <Topic>Terrestrial Hydrosphere</Topic>
    <Term>Glaciers/Ice Sheets</Term>
    <Variable_Level_1>Ice Sheets</Variable_Level_1>
  </Parameters>
  <ISO_Topic_Category>Climatology/Meteorology/Atmosphere</ISO_Topic_Category>
  <Keyword>Antarctica</Keyword>
  <Keyword>Antarctic Ice Sheet</Keyword>
  <Keyword>grounding line</Keyword>
  <Keyword>Ice Sheet</Keyword>
  <Keyword>Spaceborne SAR</Keyword>
  <Sensor_Name>
    <Short_Name>PALSAR</Short_Name>
    <Long_Name>Phased Array type L-band Synthetic Aperture Radar</Long_Name>
  </Sensor_Name>
  <Sensor_Name>
    <Short_Name>SAR</Short_Name>
    <Long_Name>Synthetic Aperture Radar</Long_Name>
  </Sensor_Name>
  <Source_Name>
    <Short_Name>ALOS</Short_Name>
    <Long_Name>Advanced Land Observing Satellite</Long_Name>
  </Source_Name>
  <Source_Name>
    <Short_Name>ERS-1</Short_Name>
    <Long_Name>European Remote Sensing Satellite-1</Long_Name>
  </Source_Name>
  <Source_Name>
    <Short_Name>ERS-2</Short_Name>
    <Long_Name>European Remote Sensing Satellite-2</Long_Name>
  </Source_Name>
  <Source_Name>
    <Short_Name>RADARSAT-1</Short_Name>
  </Source_Name>
  <Source_Name>
    <Short_Name>RADARSAT-2</Short_Name>
  </Source_Name>
  <Temporal_Coverage>
    <Start_Date>1992-01-01</Start_Date>
    <Stop_Date>2009-12-31</Stop_Date>
  </Temporal_Coverage>
  <Data_Set_Progress>complete</Data_Set_Progress>
  <Spatial_Coverage>
    <Southernmost_Latitude>-90</Southernmost_Latitude>
    <Northernmost_Latitude>-60</Northernmost_Latitude>
    <Westernmost_Longitude>-180</Westernmost_Longitude>
    <Easternmost_Longitude>180</Easternmost_Longitude>
  </Spatial_Coverage>
  <Location>
    <Location_Category>CONTINENT</Location_Category>
    <Location_Type>ANTARCTICA</Location_Type>
  </Location>
  <Location>
    <Location_Category>GEOGRAPHIC REGION</Location_Category>
    <Location_Type>POLAR</Location_Type>
  </Location>
  <Project>
    <Short_Name>MEASURES</Short_Name>
    <Long_Name>Making Earth System Data Records for Use in Research Environments</Long_Name>
  </Project>
  <Data_Set_Language>English</Data_Set_Language>
  <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>
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      <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>
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  </Data_Center>
  <Data_Center>
    <Data_Center_Name>
      <Short_Name>NSIDC_MEaSUREs</Short_Name>
      <Long_Name>Making Earth System Data Records for Use in Research Environments</Long_Name>
    </Data_Center_Name>
    <Personnel>
      <Role>Data Center Contact</Role>
      <First_Name>NSIDC MEaSUREs</First_Name>
      <Last_Name>User Services</Last_Name>
      <Email>nsidc@nsidc.org</Email>
    </Personnel>
  </Data_Center>
  <Data_Center>
    <Data_Center_Name>
      <Short_Name>NSIDC_DAAC</Short_Name>
      <Long_Name>NASA DAAC at the National Snow and Ice Data Center</Long_Name>
    </Data_Center_Name>
    <Data_Center_URL>http://nsidc.org/daac/index.html</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>
  <Distribution>
    <Distribution_Media>FTP</Distribution_Media>
    <Distribution_Size>168 MB</Distribution_Size>
    <Distribution_Format>ASCII Text</Distribution_Format>
  </Distribution>
  <Reference>Rignot, E., J. Mouginot, and B. Scheuchl. 2011. Antarctic grounding line mapping  from differential satellite radar interferometry, Geophys. Res. Lett., 38, L10504,doi:10.1029/2011GL047109.</Reference>
  <Summary>This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, provides 17 years of comprehensive high-resolution mapping of grounding lines in Antarctica, derived using differential satellite synthetic aperture radar interferometry (DInSAR) data from the Earth Remote Sensing Satellites 1 and 2 (ERS-1 and ERS-2), RADARSAT-1, RADARSAT-2, and the Advanced Land Observing System Phased Array type L-band Synthetic Aperture Radar (ALOS PALSAR) for years 1994 to 2009. Parameters include latitude, longitude, sensor, and up to four orbits and respective dates. 

Data are available via FTP in ASCII text (.txt) format.

Note. These data are considered provisional pending a review by the MEaSUREs program. Once the data have been reviewed, this statement will be removed from this documentation.</Summary>
  <Metadata_Name>CEOS IDN DIF</Metadata_Name>
  <Metadata_Version>9.7</Metadata_Version>
  <DIF_Creation_Date>2011-12-13</DIF_Creation_Date>
  <Last_DIF_Revision_Date>2013-05-02</Last_DIF_Revision_Date>
  <DIF_Revision_History>Added NSIDC_DAAC as Internal Data Center for EMS</DIF_Revision_History>
</DIF>
