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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>AE_SID</Entry_ID>
  <Entry_Title>AMSR-E/Aqua Daily L3 6.25 km Sea Ice Drift Polar Grids</Entry_Title>
  <Data_Set_Citation>
    <Dataset_Creator>Cavalieri, D. J., T. Markus, A. Ivanoff, A. K. Liu, and Y. Zhao. </Dataset_Creator>
    <Dataset_Title>AMSR-E/Aqua Daily L3 6.25 km Sea Ice Drift Polar Grids</Dataset_Title>
    <Dataset_Release_Date>2011-06-23</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/ae_sid.html</Online_Resource>
  </Data_Set_Citation>
  <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>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>Donald</First_Name>
    <Middle_Name>J.</Middle_Name>
    <Last_Name>Cavalieri</Last_Name>
    <Email>Donald.J.Cavalieri@nasa.gov</Email>
    <Phone>1 301 614-5901 x</Phone>
    <Fax>1 301  614-5644 x</Fax>
    <Contact_Address>
      <Address>NASA Goddard Space Flight Center</Address>
      <Address>Laboratory for Hydrospheric Processes</Address>
      <Address>NASA/GSFC</Address>
      <Address>Mail Code: 615</Address>
      <City>Greenbelt</City>
      <Province_or_State>MD</Province_or_State>
      <Postal_Code>20771</Postal_Code>
      <Country>USA</Country>
    </Contact_Address>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>Donald</First_Name>
    <Middle_Name>J.</Middle_Name>
    <Last_Name>Cavalieri</Last_Name>
    <Email>Donald.J.Cavalieri@nasa.gov</Email>
    <Phone>1 301 614-5901 x</Phone>
    <Fax>1 301  614-5644 x</Fax>
    <Contact_Address>
      <Address>NASA Goddard Space Flight Center</Address>
      <Address>Laboratory for Hydrospheric Processes</Address>
      <Address>NASA/GSFC</Address>
      <Address>Mail Code: 615</Address>
      <City>Greenbelt</City>
      <Province_or_State>MD</Province_or_State>
      <Postal_Code>20771</Postal_Code>
      <Country>USA</Country>
    </Contact_Address>
  </Personnel>
  <Personnel>
    <Role>Investigator</Role>
    <First_Name>Thorsten</First_Name>
    <Last_Name>Markus</Last_Name>
    <Email>thorsten.markus@nasa.gov</Email>
    <Phone>1 301 614-5882 </Phone>
    <Contact_Address>
      <Address>Goddard Space Flight Center</Address>
      <Address>NASA/Goddard Space Flight Center</Address>
      <Address>Instrumentation Sciences Branch</Address>
      <Address>Code 614.6</Address>
      <City>Greenbelt</City>
      <Province_or_State>MD</Province_or_State>
      <Postal_Code>20771</Postal_Code>
      <Country>USA</Country>
    </Contact_Address>
  </Personnel>
  <Parameters>
    <Category>EARTH SCIENCE</Category>
    <Topic>Cryosphere</Topic>
    <Term>Sea Ice</Term>
    <Variable_Level_1>Sea Ice Motion</Variable_Level_1>
  </Parameters>
  <Parameters>
    <Category>EARTH SCIENCE</Category>
    <Topic>Oceans</Topic>
    <Term>Sea Ice</Term>
    <Variable_Level_1>Sea Ice Motion</Variable_Level_1>
  </Parameters>
  <Parameters>
    <Category>EARTH SCIENCE</Category>
    <Topic>Spectral/Engineering</Topic>
    <Term>Microwave</Term>
    <Variable_Level_1>Microwave Imagery</Variable_Level_1>
  </Parameters>
  <ISO_Topic_Category>Climatology/Meteorology/Atmosphere</ISO_Topic_Category>
  <Keyword>AMSR-E</Keyword>
  <Keyword>Aqua</Keyword>
  <Keyword>Arctic Sea Ice</Keyword>
  <Keyword>Cryosphere</Keyword>
  <Keyword>DAAC</Keyword>
  <Keyword>EOSDIS</Keyword>
  <Keyword>EOS PM-1</Keyword>
  <Keyword>NASA</Keyword>
  <Keyword>NASA/ESIP &gt; NASA Earth Science Information Partners 
Program</Keyword>
  <Keyword>NSIDC</Keyword>
  <Keyword>Oceans</Keyword>
  <Keyword>Passive Microwave Radiation</Keyword>
  <Keyword>Polar Sea Ice</Keyword>
  <Keyword>Remote Sensing</Keyword>
  <Keyword>Sea Ice</Keyword>
  <Keyword>Sea Ice Drift</Keyword>
  <Keyword>Sea Ice Motion</Keyword>
  <Keyword>Sea Ice Trends</Keyword>
  <Keyword>Sea Ice Velocity</Keyword>
  <Sensor_Name>
    <Short_Name>AMSR-E</Short_Name>
    <Long_Name>Advanced Microwave Scanning Radiometer-EOS</Long_Name>
  </Sensor_Name>
  <Source_Name>
    <Short_Name>AQUA</Short_Name>
    <Long_Name>Earth Observing System, AQUA</Long_Name>
  </Source_Name>
  <Temporal_Coverage>
    <Start_Date>2011-06-01</Start_Date>
  </Temporal_Coverage>
  <Data_Set_Progress>in work</Data_Set_Progress>
  <Spatial_Coverage>
    <Southernmost_Latitude>-90</Southernmost_Latitude>
    <Northernmost_Latitude>-39.23</Northernmost_Latitude>
    <Westernmost_Longitude>-180</Westernmost_Longitude>
    <Easternmost_Longitude>180</Easternmost_Longitude>
  </Spatial_Coverage>
  <Spatial_Coverage>
    <Southernmost_Latitude>30.98</Southernmost_Latitude>
    <Northernmost_Latitude>90</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>ARCTIC</Location_Type>
  </Location>
  <Location>
    <Location_Category>GEOGRAPHIC REGION</Location_Category>
    <Location_Type>POLAR</Location_Type>
  </Location>
  <Data_Resolution>
    <Latitude_Resolution>6.25 km</Latitude_Resolution>
    <Longitude_Resolution>6.25 km</Longitude_Resolution>
    <Temporal_Resolution>1 day</Temporal_Resolution>
  </Data_Resolution>
  <Project>
    <Short_Name>EOS</Short_Name>
    <Long_Name>Earth Observing System</Long_Name>
  </Project>
  <Project>
    <Short_Name>EOSDIS</Short_Name>
    <Long_Name>Earth Observing System Data Information System Data and Information System</Long_Name>
  </Project>
  <Use_Constraints>Disclaimer:  http://wwwghcc.msfc.nasa.gov/AMSR/qa.html</Use_Constraints>
  <Data_Set_Language>English</Data_Set_Language>
  <Originating_Center>NSIDC_DAAC</Originating_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>
  <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>
  <Distribution>
    <Distribution_Media>FTP</Distribution_Media>
    <Distribution_Size>30 MB</Distribution_Size>
    <Distribution_Format>HDF-EOS</Distribution_Format>
  </Distribution>
  <Reference>Cavalieri, D. and J. Comiso. 2000. Algorithm Theoretical Basis Document for the AMSR-E Sea Ice Algorithm, Revised December 1. Landover, Maryland USA: Goddard Space Flight Center.

Combes, J. M., A. Grossmann, and P. Tchamitchian. 1989. Wavelet: Time Frequency Methods and Phase Space. Proceedings of the International Conference on Wavelet, Marseille, France. New York: Springer-Verlag. 331.

Conway, D. 2002. Advanced Microwave Scanning Radiometer - EOS Quality Assurance Plan. Huntsville, Alabama USA: Global Hydrology and Climate Center.

Liu, A. K. and D. J. Cavalieri. 1998. On Sea Ice Drift from the Wavelet Analysis of the Defense Meteorological Satellite Program (DMSP) Special Sensor Microwave Imager (SSM/I) Data. International Journal of Remote Sensing 19:7, 1415-1423. doi: 10.1080/014311698215522

Pearson, F. 1990. Map Projections: Theory and Applications. CRC Press. Boca Raton, Florida USA. 372 pages.

Snyder, J.P. 1987. Map Projections - A Working Manual. U.S. Geological Survey Professional Paper 1395. U.S. Government Printing Office. Washington, D.C. USA. 383 pages.

Snyder, J. P. 1982. Map Projections Used by the U.S. Geological Survey. U.S. Geological Survey Bulletin 1532.

Zhao, Y. and A. K. Liu. 2007. Arctic Sea-Ice Motion and Its Relation to Pressure Field. Journal of Oceanography 63:505-515.

Zhao, Y. and A. K. Liu. 2003. Applications of Sea Ice Motion and Deformation Derived from Satellite Data. p. 238-248. Proceedings of SPIE, 5155, ed. by R. J. Frouin, G. D. Gilbert and D. Pan, SPIE, Bellingham, Washington USA. doi: http://dx.doi.org/10.1117/12.504764

Zhao, Y. and A. K. Liu. 2001. Principal-Component Analysis of Sea Ice Motion from Satellite Data. Ann. Glaciol., 33, 133-138.</Reference>
  <Summary>The Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E) instrument on the NASA Earth Observing System (EOS) Aqua satellite provides global passive microwave measurements of land, ocean, and atmospheric variables for the investigation of water and energy cycles.

This Level-3 gridded product (AE_SID) includes sea ice speed and direction generated by applying the Goddard Space Flight Center (GSFC) wavelet transform algorithm to AMSR-E brightness temperatures. Daily drift data are averaged over five-day intervals and are mapped to a polar stereographic grid at 6.25 km spatial resolution. Drift parameters sea ice speed and direction were determined using the 89 GHz Horizontal (H) channel of the AMSR-E L3 6.25 km brightness temperature product. Data are stored in HDF-EOS format and are available from 01 June 2011 to present via FTP.</Summary>
  <Related_URL>
    <URL_Content_Type>
      <Type>VIEW PROJECT HOME PAGE</Type>
    </URL_Content_Type>
    <URL>http://nsidc.org/data/amsre/</URL>
    <Description>AMSR-E/Aqua Data</Description>
  </Related_URL>
  <Related_URL>
    <URL_Content_Type>
      <Type>VIEW PROJECT HOME PAGE</Type>
    </URL_Content_Type>
    <URL>http://nsidc.org/data/seaice/</URL>
    <Description>Sea Ice Data at NSIDC</Description>
  </Related_URL>
  <Related_URL>
    <URL_Content_Type>
      <Type>VIEW RELATED INFORMATION</Type>
    </URL_Content_Type>
    <URL>http://nsidc.org/data/nsidc-0116.html</URL>
    <Description>Polar Pathfinder Daily 25 km EASE-Grid Sea Ice Motion Vectors</Description>
  </Related_URL>
  <IDN_Node>
    <Short_Name>AMD, CEOS, ARCTIC</Short_Name>
  </IDN_Node>
  <Metadata_Name>CEOS IDN DIF</Metadata_Name>
  <Metadata_Version>9.7</Metadata_Version>
  <DIF_Creation_Date>2011-06-23</DIF_Creation_Date>
  <Last_DIF_Revision_Date>2013-01-22</Last_DIF_Revision_Date>
  <DIF_Revision_History> Author citation clean-up due to EDB migration. </DIF_Revision_History>
</DIF>
