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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-0611.004</Entry_ID><Entry_Title>EASE-Grid Sea Ice Age</Entry_Title><Data_Set_Citation><Dataset_Creator>Tschudi, M., Meier, W. N., Stewart, J. S., Fowler, C. &amp; Maslanik, J.</Dataset_Creator><Dataset_Title>EASE-Grid Sea Ice Age</Dataset_Title><Dataset_Release_Date>2019-03-15</Dataset_Release_Date><Dataset_Release_Place>Boulder, Colorado USA</Dataset_Release_Place><Dataset_Publisher>NASA NSIDC DAAC: NASA National Snow and Ice Data Center Distributed Active Archive Center</Dataset_Publisher><Version>4</Version><Other_Citation_Details><Invert_Citation_Order>false</Invert_Citation_Order></Other_Citation_Details><Dataset_DOI>10.5067/UTAV7490FEPB</Dataset_DOI><Online_Resource>https://nsidc.org/sites/default/files/documents/user-guide/nsidc-0611-v004-userguide_0.pdf</Online_Resource><Dataset_Series_Name>NSIDC-0611</Dataset_Series_Name></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</Phone><Fax>1-303-492-2468</Fax><Contact_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>CRYOSPHERE</Topic><Term>SEA ICE</Term><Variable_Level_1>SEA ICE AGE</Variable_Level_1><Variable_Level_2> </Variable_Level_2><Variable_Level_3> </Variable_Level_3><Detailed_Variable> </Detailed_Variable></Parameters><ISO_Topic_Category>Climatology/Meteorology/Atmosphere</ISO_Topic_Category><Keyword>EASE-Grid Sea Ice-project</Keyword><Keyword>Sea Ice Age</Keyword><Keyword>Sea Ice Prediction Network-project</Keyword><Keyword>SIPN ice type-project</Keyword><Keyword>SIPN-project</Keyword><Keyword>SMMR and SSM/I-SSMIS-project</Keyword><Keyword>smmr-ssmi-project</Keyword><Sensor_Name><Short_Name>AMSR-E</Short_Name><Long_Name>Advanced Microwave Scanning Radiometer-EOS</Long_Name></Sensor_Name><Sensor_Name><Short_Name>AVHRR</Short_Name><Long_Name>Advanced Very High Resolution Radiometer</Long_Name></Sensor_Name><Sensor_Name><Short_Name>DRIFTING BUOYS</Short_Name></Sensor_Name><Sensor_Name><Short_Name>NOT APPLICABLE</Short_Name></Sensor_Name><Sensor_Name><Short_Name>SMMR</Short_Name><Long_Name>Scanning Multichannel Microwave Radiometer</Long_Name></Sensor_Name><Sensor_Name><Short_Name>SSM/I</Short_Name><Long_Name>Special Sensor Microwave/Imager</Long_Name></Sensor_Name><Sensor_Name><Short_Name>SSMIS</Short_Name><Long_Name>Special Sensor Microwave Imager/Sounder</Long_Name></Sensor_Name><Source_Name><Short_Name>Aqua</Short_Name><Long_Name>Earth Observing System, Aqua</Long_Name></Source_Name><Source_Name><Short_Name>BUOYS</Short_Name></Source_Name><Source_Name><Short_Name>DMSP 5D-2/F11</Short_Name><Long_Name>Defense Meteorological Satellite Program-F11</Long_Name></Source_Name><Source_Name><Short_Name>DMSP 5D-2/F13</Short_Name><Long_Name>Defense Meteorological Satellite Program-F13</Long_Name></Source_Name><Source_Name><Short_Name>DMSP 5D-2/F8</Short_Name><Long_Name>Defense Meteorological Satellite Program-F8</Long_Name></Source_Name><Source_Name><Short_Name>DMSP 5D-3/F17</Short_Name><Long_Name>Defense Meteorological Satellite Program-F17</Long_Name></Source_Name><Source_Name><Short_Name>MODELS</Short_Name><Long_Name>MODELS</Long_Name></Source_Name><Source_Name><Short_Name>NOAA-10</Short_Name><Long_Name>National Oceanic &amp; 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J., P. Gloersen, and W. J. Campbell. 1984. Determination of Sea Ice Parameters with the NIMBUS-7 SMMR. Journal of Geophysical Research 89(D4):5355-5369. doi: 10.1029/JD089iD04p05355.

Fowler, C., W. J. Emery, and J. Maslanik. 2004. Satellite-derived evolution of Arctic sea ice Age: October 1978 to March 2003. Geoscience and Remote Sensing Letters, IEEE, 1(2), 71-74. doi: 10.1109/LGRS.2004.824741.

Maslanik, J. A., C. Fowler, J. Stroeve, S. Drobot, J. Zwally, D. Yi and W. Emery. 2007. A younger, thinner Arctic ice cover: Increased potential for rapid, extensive sea-ice loss. Geophys. Res. Lett., 34(L24501). doi: 10.1029/2007GL032043.

Maslanik, J., J. Stroeve, C. Fowler, and W. Emery. 2011. Distribution and trends in Arctic sea ice age through spring 2011. Geophys. Res. Lett., 38(L13502). doi: 10.1029/2011GL047735.

Rigor, I.G., and J.M. Wallace, 2004. Variations in the age of Arctic sea-ice and summer sea-ice extent. Geophysical Research Letters 31: L09401. doi: 10.1029/2004GL019492.

Tschudi, M. A., Fowler, C, Maslanik, J. A., Stroeve, J. 2010. Tracking the movement and changing surface characteristics of Arctic sea ice. IEEE J. Selected Topics in Earth Obs. and Rem. Sens., 3(4). doi: 10.1109/JSTARS.2010.2048305.

Tschudi, M. A., Meier, W. N., and Stewart, J. S. 2019. An enhancement of sea ice motion and age products. The Cryosphere Discussion. doi: 10.5194/tc-2019-40.</Reference><Summary><Abstract>This data set provides weekly estimates of sea ice age for the Arctic Ocean derived from remotely sensed sea ice motion and sea ice extent. 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