<?xml version="1.0" encoding="UTF-8"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-15T02:46:54Z</responseDate><request identifier="NSIDC-0633.001" metadataPrefix="dif" verb="GetRecord">http://nsidc.org/api/dataset/metadata/oai</request><GetRecord><record><header><identifier>oai:nsidc.org/NSIDC-0633.001</identifier><datestamp>2026-09-10T20:21:58Z</datestamp><setSpec>v0_daac</setSpec><setSpec>v0_all</setSpec><setSpec>nasa_nsidc_daac</setSpec></header><metadata>
<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-0633.001</Entry_ID><Entry_Title>MEaSUREs Greenland Ice Sheet Mosaics from SAR Data</Entry_Title><Data_Set_Citation><Dataset_Creator>Joughin, I.</Dataset_Creator><Dataset_Title>MEaSUREs Greenland Ice Sheet Mosaics from SAR Data</Dataset_Title><Dataset_Release_Date>2015-08-27</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>1</Version><Other_Citation_Details><Invert_Citation_Order>false</Invert_Citation_Order></Other_Citation_Details><Dataset_DOI>10.5067/6187DQUL3FR5</Dataset_DOI><Online_Resource>https://nsidc.org/sites/default/files/nsidc-0633-v001-userguide.pdf</Online_Resource><Dataset_Series_Name>NSIDC-0633</Dataset_Series_Name></Data_Set_Citation><Reference><Author>Joughin, I., Smith, B., Howat, I., Moon, T. &amp; Scambos, T.</Author><Publication_Date>2016</Publication_Date><Title>A SAR record of early 21st century change in Greenland </Title><Series>Journal of Glaciology</Series><Volume>62</Volume><Issue>231</Issue><Pages>62-71</Pages><DOI>&lt;a href="https://doi.org/10.1017/jog.2016.10"&gt;https://doi.org/10.1017/jog.2016.10&lt;/a&gt;</DOI><Other_Reference_Details><Type>Literature Citation</Type></Other_Reference_Details></Reference><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>SPECTRAL/ENGINEERING</Topic><Term>RADAR</Term><Variable_Level_1>RADAR BACKSCATTER</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>SPECTRAL/ENGINEERING</Topic><Term>RADAR</Term><Variable_Level_1>SIGMA NAUGHT</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><ISO_Topic_Category>Imagery/Base Maps/Earth Cover</ISO_Topic_Category><Keyword>GIMP-project</Keyword><Keyword>MEaSUREs-project</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>RADARSAT-1</Short_Name></Source_Name><Temporal_Coverage><Start_Date>2013-01-15</Start_Date><Stop_Date>2013-03-26</Stop_Date></Temporal_Coverage><Temporal_Coverage><Start_Date>2009-11-04</Start_Date><Stop_Date>2010-03-08</Stop_Date></Temporal_Coverage><Temporal_Coverage><Start_Date>2009-01-04</Start_Date><Stop_Date>2009-02-05</Stop_Date></Temporal_Coverage><Temporal_Coverage><Start_Date>2007-11-22</Start_Date><Stop_Date>2008-03-30</Stop_Date></Temporal_Coverage><Temporal_Coverage><Start_Date>2006-12-30</Start_Date><Stop_Date>2007-02-04</Stop_Date></Temporal_Coverage><Temporal_Coverage><Start_Date>2005-12-24</Start_Date><Stop_Date>2006-04-04</Stop_Date></Temporal_Coverage><Temporal_Coverage><Start_Date>2000-09-21</Start_Date><Stop_Date>2001-01-23</Stop_Date></Temporal_Coverage><Data_Set_Progress>complete</Data_Set_Progress><Spatial_Coverage><Southernmost_Latitude>60</Southernmost_Latitude><Northernmost_Latitude>83</Northernmost_Latitude><Westernmost_Longitude>-75</Westernmost_Longitude><Easternmost_Longitude>-14</Easternmost_Longitude></Spatial_Coverage><Location><Location_Category>CONTINENT</Location_Category><Location_Type>NORTH AMERICA</Location_Type><Location_Subregion1>GREENLAND</Location_Subregion1></Location><Data_Resolution><Latitude_Resolution>20 m</Latitude_Resolution><Longitude_Resolution>20 m</Longitude_Resolution></Data_Resolution><Data_Resolution><Latitude_Resolution>100 m</Latitude_Resolution><Longitude_Resolution>100 m</Longitude_Resolution></Data_Resolution><Project><Short_Name>MEaSUREs</Short_Name><Long_Name>Making Earth System Data Records for Use in Research Environments</Long_Name></Project><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&#xA0;https://nsidc.org/about/data-use-and-copyright. For more information on the NASA ESDIS Data Use Guidance, see https://www.earthdata.nasa.gov/engage/open-data-services-software-policies/data-use-guidance.</Use_Constraints><Data_Set_Language>English</Data_Set_Language><Originating_Center>UWA/APL</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>PNG</Distribution_Format></Distribution><Distribution><Distribution_Media>HTTPS</Distribution_Media><Distribution_Format>GeoTIFF</Distribution_Format></Distribution><Distribution><Distribution_Media>HTTPS</Distribution_Media><Distribution_Format>Shapefile</Distribution_Format></Distribution><Reference/><Summary><Abstract>This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, contains high resolution mosaics of radar backscatter for the Greenland Ice Sheet derived from synthetic aperture radar (SAR) data. Both calibrated and uncalibrated mosaics are available for: the winters of 2000-2001, 2005-2006 through 2008-2009, and 2012-2013; and a multiyear composite. Uncalibrated mosaics are available for the winter of 2009-2010. All mosaics are provided at both 100 m and 20 m resolutions.

See Greenland Ice Sheet Mapping Project at https://nsidc.org/grimp 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-0633-v001-userguide.pdf</URL><Description>MEaSUREs Greenland Ice Sheet Mosaics from SAR Data, Version 1 User Guide</Description></Related_URL><Related_URL><URL_Content_Type><Type>GET DATA</Type></URL_Content_Type><URL>https://daacdata.apps.nsidc.org/pub/DATASETS/nsidc0633_MEASURES_greenland_sar_mosaics_v1/</URL><Description>HTTPS</Description></Related_URL><Metadata_Name>CEOS IDN DIF</Metadata_Name><Metadata_Version>VERSION 9.9</Metadata_Version><DIF_Creation_Date>2015-08-27</DIF_Creation_Date><Last_DIF_Revision_Date>2026-09-10</Last_DIF_Revision_Date><Extended_Metadata><Metadata><Group>NSIDC</Group><Name>Version Summary</Name><Value>Initial release</Value></Metadata><Metadata><Group>NSIDC</Group><Name>Minor Version</Name><Value><number>1.1</number><summary>.vrt files were rebuilt with correct .tif file names.
For multiyear_composite/20byte/ files:
&#x2022; 'mosaic' at beginning of filename was removed.
&#x2022; 'Completegeo' at end was replaced with 'multiyear'.
All files were appended with '_v01.1' before the extension.</summary><start_datetime>2019-02-12</start_datetime><end_datetime/><view_order>0</view_order></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:3413</SRID><Description>WGS 84 / NSIDC Sea Ice Polar Stereographic North</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>Joughin, I. (2015). &lt;i&gt;MEaSUREs Greenland Ice Sheet Mosaics from SAR Data&lt;/i&gt;. (NSIDC-0633, Version 1). [Data Set]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. &lt;a href="https://doi.org/10.5067/6187DQUL3FR5"&gt;https://doi.org/10.5067/6187DQUL3FR5&lt;/a&gt;. [&lt;i&gt;&lt;describe subset used if applicable&gt;&lt;/i&gt;].</Value></Metadata><Metadata><Group>NSIDC</Group><Name>Retired</Name><Value>false</Value></Metadata><Metadata><Group>NSIDC</Group><Name>Related Services</Name><Value><umm-s><meta><format>application/vnd.nasa.cmr.umm+json</format><deleted>false</deleted><user-id>amyygilliland</user-id><native-id>mmt_service_12717</native-id><concept-id>S1977897447-NSIDCV0</concept-id><provider-id>NSIDCV0</provider-id><revision-id>6</revision-id><concept-type>service</concept-type><revision-date>2025-04-01T22:12:52.112Z</revision-date></meta><umm><URL><URLValue>https://daacdata.apps.nsidc.org/</URLValue></URL><Name>NSIDCV0_DAAC_Data_HTTPS_File_System</Name><Type>NOT PROVIDED</Type><Version>1</Version><LongName>HTTPS File System</LongName><Description>Quickly download a few files using a web browser, or access the data through a command-line utility such as WGET.</Description><RelatedURLs><RelatedURL><URL>https://nsidc.org/data/user-resources/help-center/programmatic-access-guide-data-daacdataapps</URL><Type>VIEW RELATED INFORMATION</Type><Description>Programmatic Data Access Guide</Description><URLContentType>PublicationURL</URLContentType></RelatedURL></RelatedURLs><ContactGroups><ContactGroup><Roles><Role>USER SERVICES</Role></Roles><GroupName>NSIDC DAAC User Services</GroupName><ContactInformation><ContactMechanisms><ContactMechanism><Type>Email</Type><Value>nsidc@nsidc.org</Value></ContactMechanism></ContactMechanisms></ContactInformation></ContactGroup></ContactGroups><ServiceKeywords><ServiceKeyword><ServiceTerm>DATA ACCESS/RETRIEVAL</ServiceTerm><ServiceTopic>DATA MANAGEMENT/DATA HANDLING</ServiceTopic><ServiceCategory>EARTH SCIENCE SERVICES</ServiceCategory></ServiceKeyword></ServiceKeywords><VersionDescription>This is the most current release of this service.</VersionDescription><ServiceOrganizations><ServiceOrganization><Roles><Role>DEVELOPER</Role><Role>ORIGINATOR</Role><Role>PUBLISHER</Role><Role>SERVICE PROVIDER</Role></Roles><LongName>NASA National Snow and Ice Data Center Distributed Active Archive Center</LongName><ShortName>NASA NSIDC DAAC</ShortName><OnlineResource><Name>NASA Distributed Active Archive Center (DAAC) at NSIDC</Name><Linkage>https://nsidc.org/daac</Linkage><Description>NSIDC DAAC Home Page</Description></OnlineResource></ServiceOrganization></ServiceOrganizations><MetadataSpecification><URL>https://cdn.earthdata.nasa.gov/umm/service/v1.4</URL><Name>UMM-S</Name><Version>1.4</Version></MetadataSpecification></umm></umm-s><nsidc><URLValue>https://daacdata.apps.nsidc.org/pub/DATASETS/nsidc0633_MEASURES_greenland_sar_mosaics_v1/</URLValue></nsidc></Value></Metadata></Extended_Metadata></DIF>
</metadata></record></GetRecord></OAI-PMH>