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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-0709.002</Entry_ID><Entry_Title>MEaSUREs Antarctic Boundaries for IPY 2007-2009 from Satellite Radar</Entry_Title><Data_Set_Citation><Dataset_Creator>Mouginot, J., Scheuchl, B. &amp; Rignot, E.</Dataset_Creator><Dataset_Title>MEaSUREs Antarctic Boundaries for IPY 2007-2009 from Satellite Radar</Dataset_Title><Dataset_Release_Date>2017-03-15</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>2</Version><Other_Citation_Details><Invert_Citation_Order>true</Invert_Citation_Order></Other_Citation_Details><Dataset_DOI>10.5067/AXE4121732AD</Dataset_DOI><Online_Resource>https://nsidc.org/sites/default/files/nsidc-0709-v002-userguide.pdf</Online_Resource><Dataset_Series_Name>NSIDC-0709</Dataset_Series_Name></Data_Set_Citation><Reference><Author>Rignot, E., Jacobs, S. S., Mouginot, J. &amp; Scheuchl, B.</Author><Publication_Date>2013</Publication_Date><Title>Ice-shelf melting around Antarctica</Title><Series>Science</Series><Volume>341</Volume><Issue>6143</Issue><Pages>266-270</Pages><DOI>&lt;a href="https://doi.org/10.1126/science.1235798"&gt;https://doi.org/10.1126/science.1235798&lt;/a&gt;</DOI><Other_Reference_Details><Type>Literature Citation</Type></Other_Reference_Details></Reference><Personnel><Role>Investigator</Role><First_Name>Jeremie</First_Name><Last_Name>Mouginot</Last_Name><Contact_Address><Address>Croul Hall</Address><City>Irvine</City><Province_or_State>California</Province_or_State><Postal_Code>92697</Postal_Code><Country>USA</Country></Contact_Address></Personnel><Personnel><Role>Investigator</Role><First_Name>Bernd</First_Name><Last_Name>Scheuchl</Last_Name><Contact_Address><Address>Croul Hall</Address><City>Irvine</City><Province_or_State>California</Province_or_State><Postal_Code>92697</Postal_Code><Country>USA</Country></Contact_Address></Personnel><Personnel><Role>Investigator</Role><First_Name>Eric</First_Name><Last_Name>Rignot</Last_Name><Email>erignot@uci.edu</Email><Contact_Address><Address>Croul Hall</Address><City>Irvine</City><Province_or_State>California</Province_or_State><Postal_Code>92697</Postal_Code><Country>USA</Country></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</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>GLACIERS/ICE SHEETS</Term><Variable_Level_1>BASINS</Variable_Level_1><Variable_Level_2> </Variable_Level_2><Variable_Level_3> </Variable_Level_3><Detailed_Variable> </Detailed_Variable></Parameters><Parameters><Category>EARTH SCIENCE</Category><Topic>CRYOSPHERE</Topic><Term>GLACIERS/ICE SHEETS</Term><Variable_Level_1>COASTLINE</Variable_Level_1><Variable_Level_2> </Variable_Level_2><Variable_Level_3> </Variable_Level_3><Detailed_Variable> </Detailed_Variable></Parameters><Parameters><Category>EARTH SCIENCE</Category><Topic>CRYOSPHERE</Topic><Term>GLACIERS/ICE SHEETS</Term><Variable_Level_1>GLACIERS</Variable_Level_1><Variable_Level_2>GROUNDING LINE</Variable_Level_2><Variable_Level_3> </Variable_Level_3><Detailed_Variable> </Detailed_Variable></Parameters><Parameters><Category>EARTH SCIENCE</Category><Topic>CRYOSPHERE</Topic><Term>GLACIERS/ICE SHEETS</Term><Variable_Level_1>ICE SHELVES</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>AIV-project</Keyword><Keyword>Ice Velocity</Keyword><Keyword>International Polar Year</Keyword><Keyword>IPY</Keyword><Keyword>IPY-SEARCH data</Keyword><Keyword>MEaSUREs-project</Keyword><Sensor_Name><Short_Name>ASAR</Short_Name><Long_Name>Advanced Synthetic Aperature Radar</Long_Name></Sensor_Name><Sensor_Name><Short_Name>C-SAR</Short_Name><Long_Name>C-Band Synthetic Aperture Radar</Long_Name></Sensor_Name><Sensor_Name><Short_Name>MODIS</Short_Name><Long_Name>Moderate-Resolution Imaging Spectroradiometer</Long_Name></Sensor_Name><Sensor_Name><Short_Name>OLI</Short_Name><Long_Name>Operational Land Imager</Long_Name></Sensor_Name><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>AQUA</Short_Name><Long_Name>Earth Observing System, AQUA</Long_Name></Source_Name><Source_Name><Short_Name>COSMO-SKYMED</Short_Name><Long_Name>Constellation of Small Satellites for Mediterranean basin Observation</Long_Name></Source_Name><Source_Name><Short_Name>ENVISAT</Short_Name><Long_Name>Environmental 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>LANDSAT-8</Short_Name><Long_Name>LANDSAT-8</Long_Name></Source_Name><Source_Name><Short_Name>RADARSAT-1</Short_Name></Source_Name><Source_Name><Short_Name>RADARSAT-2</Short_Name></Source_Name><Source_Name><Short_Name>SENTINEL-1A</Short_Name></Source_Name><Source_Name><Short_Name>TERRA</Short_Name><Long_Name>Earth Observing System, TERRA (AM-1)</Long_Name></Source_Name><Temporal_Coverage><Start_Date>1992-02-07</Start_Date><Stop_Date>2015-12-31</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><Data_Resolution><Longitude_Resolution>25 m to 250 m</Longitude_Resolution></Data_Resolution><Data_Resolution><Longitude_Resolution>25 m to 250 m</Longitude_Resolution><Temporal_Resolution>24 year</Temporal_Resolution></Data_Resolution><Access_Constraints>These data are freely, openly, and fully accessible, provided that you are logged into your NASA Earthdata profile (https://urs.earthdata.nasa.gov/).</Access_Constraints><Use_Constraints>These data are freely, openly, and fully available to use without restrictions, provided that you cite the data according to the recommended citation at https://nsidc.org/about/use_copyright.html. For more information on the NASA EOSDIS Data Use Policy, see https://earthdata.nasa.gov/earth-observation-data/data-use-policy.</Use_Constraints><Data_Set_Language>English</Data_Set_Language><Originating_Center>UC-IRVINE/PHYSSCI/ESS</Originating_Center><Data_Center><Data_Center_Name><Short_Name>NASA NSIDC DAAC</Short_Name><Long_Name>NASA National Snow and Ice Data Center Distributed Active Archive Center</Long_Name></Data_Center_Name><Data_Center_URL>https://nsidc.org/daac</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><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>HTTPS</Distribution_Media><Distribution_Format>GeoTIFF</Distribution_Format></Distribution><Distribution><Distribution_Media>HTTPS</Distribution_Media><Distribution_Format>BMP</Distribution_Format></Distribution><Distribution><Distribution_Media>HTTPS</Distribution_Media><Distribution_Format>Shapefile</Distribution_Format></Distribution><Reference>Li, X., E. Rignot, M. Morlighem, J. Mouginot, and B. Scheuchl. 2015. Grounding line retreat of Totten Glacier, East Antarctica, 1996 to 2013. Geophysical Research Letters 42: 8049&#x2013;8056. doi: 10.1002/2015GL065701.

Rignot, E., J. Mouginot, M. Morlighem, H. Seroussi, and B. Scheuchl. 2014. Widespread, rapid grounding line retreat of Pine Island, Thwaites, Smith, and Kohler glaciers, West Antarctica, from 1992 to 2011. Geophysical Research Letters 41: 3502&#x2013;3509. doi: 10.1002/2014GL060140.

Rignot, E., S. Jacobs, J. Mouginot, and B. Scheuchl. 2013. Ice-shelf melting around Antarctica. Science 341(6143): 266-270. doi: 10.1126/science.1235798.

Rignot, E., J. Mouginot, and B. Scheuchl. 2011. Antarctic grounding line mapping from differential satellite radar interferometry. Geophysical Research Letters 38(10): L10504. doi: 10.1029/2011GL047109. 

Rignot, E. 1996. Tidal flexure, ice velocities and ablation rates of Petermann Gletscher, Greenland, J. Glaciol., 42(142), 476-485.

Rignot, E. 1998. Hinge-line migration of Petermann Gletscher, north Greenland, detected using satellite-radar interferometry, J. Glaciol., 44(148), 469-476. 

Rignot, E. 1998. Radar Interferometry Detection of Hinge-Line Migration on Rutford Ice Stream and Carlson Inlet, Antarctica. Annals of Glaciology 27: 25-32. 

Rignot, E., L. Padman, D. R. MacAyeal, and M. Schmeltz. 2000. Observations of ocean tides below the Filchner and Ronne Ice Shelves, Antarctica, using synthetic aperture radar interferometry: Comparison with tide model predictions. Journal of Geophysical Research - Oceans 105(C8): 19,615-19,6130. 

Rignot, E. 2002. East Antarctic Glaciers and Ice Shelves Mass Balance from Satellite Data. Annals of Glaciology 34: 217-227.

Schmeltz, M., E. Rignot, and D. McAyeal. 2001. Ephemeral grounding as a signal of ice-shelf change. Journal of Glaciology 47(156): 71-77.

</Reference><Summary><Abstract>This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, provides maps of Antarctic ice shelves, Antarctic basins, and the Antarctic coastline. The maps are assembled from 2008-2009 ice-front data from the Japan Aerospace Exploration Agency's (JAXA) ALOS PALSAR and European Space Agency's ENVISAT ASAR data, acquired during International Polar Years 2007-2009 (IPY); the InSAR-based grounding line data (MEaSUREs Antarctic Grounding Line from Differential Satellite Radar Interferometry), augmented with other grounding line sources; the Antarctic ice velocity map (MEaSUREs InSAR-Based Antarctica Ice Velocity Map); and the Bedmap-2 DEM.

See &lt;a href="https://nsidc.org/data/measures/aiv"&gt;Antarctic Ice Sheet Velocity and Mapping Data&lt;/a&gt; for related data.</Abstract></Summary><Related_URL><URL_Content_Type><Type>VIEW RELATED INFORMATION</Type></URL_Content_Type><URL>https://nsidc.org/sites/default/files/nsidc-0709-v002-userguide.pdf</URL><Description>MEaSUREs Antarctic Boundaries for IPY 2007-2009 from Satellite Radar, Version 2 User Guide</Description></Related_URL><Related_URL><URL_Content_Type><Type>GET DATA</Type></URL_Content_Type><URL>https://search.earthdata.nasa.gov/search/granules?p=C3297995634-NSIDC_CPRD</URL><Description>Earthdata Search</Description></Related_URL><Related_URL><URL_Content_Type><Type>GET DATA</Type></URL_Content_Type><URL>https://cmr.earthdata.nasa.gov/virtual-directory/collections/C3297995634-NSIDC_CPRD</URL><Description>HTTPS</Description></Related_URL><Related_URL><URL_Content_Type><Type>GET DATA</Type></URL_Content_Type><URL>https://nsidc.org/data/data-access-tool/NSIDC-0709/versions/2/</URL><Description>Data Access Tool</Description></Related_URL><Related_URL><URL_Content_Type><Type>GET DATA</Type></URL_Content_Type><URL>https://earthaccess.readthedocs.io/en/stable/</URL><Description>earthaccess</Description></Related_URL><Related_URL><URL_Content_Type><Type>VIEW RELATED INFORMATION</Type></URL_Content_Type><URL>http://nsidc.org/data/measures/index.html</URL><Description>NASA MEaSUREs at NSIDC</Description></Related_URL><Related_URL><URL_Content_Type><Type>PROJECT HOME PAGE</Type></URL_Content_Type><URL>http://earthdata.nasa.gov/our-community/community-data-system-programs/measures-projects</URL><Description>NASA MEaSUREs</Description></Related_URL><Metadata_Name>CEOS IDN DIF</Metadata_Name><Metadata_Version>VERSION 9.9</Metadata_Version><DIF_Creation_Date>2017-03-15</DIF_Creation_Date><Last_DIF_Revision_Date>2026-06-24</Last_DIF_Revision_Date><Extended_Metadata><Metadata><Group>NSIDC</Group><Name>Version Summary</Name><Value>Major changes for Version 2 include:
&lt;ul&gt;
&lt;li&gt;Added the basins IMBIE 2016 and refined&lt;/li&gt;
&lt;li&gt;Updated and expanded the attribute lists&lt;/li&gt;
&lt;/ul&gt;
Minor changes include:
&lt;ul&gt;
&lt;li&gt;Changed grounding lines for Crosson/Dotson ice shelves based on Sentinel-1A&lt;/li&gt;
&lt;li&gt;Added 15 new small ice shelves&lt;/li&gt;
&lt;li&gt;Added missing ice rises on Larsen-C, Riiser-Larsen, Quar, Atka, Fimbul, Crosson, Borchgrevink, Beaudouin, and Pine Island ice shelves&lt;/li&gt;
&lt;li&gt;Fixed an issue with Wordie ice shelf boundaries (Cape Jeremy basin)&lt;/li&gt;
&lt;li&gt;Fixed an issue with Larsen A ice shelf, Drygalski glacier&lt;/li&gt;
&lt;li&gt;Fixed small gaps between polygons&lt;/li&gt;
&lt;li&gt;Updated names of the ice shelves (each polygon has a specific name)&lt;/li&gt;
&lt;li&gt;Removed grounded polygon from IceBoundaries (provided by GroundingLine_Antarctica shapefile)&lt;/li&gt;
&lt;/ul&gt;</Value></Metadata><Metadata><Group>NSIDC</Group><Name>Minor Version</Name><Value/></Metadata><Metadata><Group>NSIDC</Group><Name>Current Version</Name><Value>1</Value></Metadata><Metadata><Group>NSIDC</Group><Name>Spatial Reference Systems</Name><Value><Spatial_Reference_System><SRID>EPSG:3031</SRID><Description>WGS 84 / Antarctic Polar Stereographic</Description></Spatial_Reference_System></Value></Metadata><Metadata><Group>NSIDC</Group><Name>Level of Service</Name><Value><Level>Standard</Level></Value></Metadata><Metadata><Group>NSIDC</Group><Name>Full Dataset Citation</Name><Value>Mouginot, J., Scheuchl, B. &amp; Rignot, E. (2017). &lt;i&gt;MEaSUREs Antarctic Boundaries for IPY 2007-2009 from Satellite Radar&lt;/i&gt;. (NSIDC-0709, Version 2). [Data Set]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. &lt;a href="https://doi.org/10.5067/AXE4121732AD"&gt;https://doi.org/10.5067/AXE4121732AD&lt;/a&gt;. 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Copyright (c) 2021 Luis Lopez

Permission is hereby granted, free of charge, to any person obtaining a copy
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SOFTWARE.</LicenseText></UseConstraints><LastUpdatedDate>2026-05-12T00:00:00.000Z</LastUpdatedDate><AccessConstraints>As a condition of use, we request that you properly cite the earthaccess library to acknowledge the creators.  Formal citations also make it easier for us to track the use and impact of our data and tools, and helps us report data distribution activity and tool usage metrics to funding agencies.

If you have used earthaccess in your research, please cite as:

Barrett, A., Battisto, C., Bourbeau, J., Fisher, M., Kaufman, D., Kennedy, J., Lopez, L., Lowndes, J., Scheick, J., &amp; Steiker, A. (2024). earthaccess (Version 0.9.0) [Computer software]. https://doi.org/10.5281/zenodo.8365009

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