2026-09-04T14:39:40Zhttp://nsidc.org/api/dataset/metadata/oaioai:nsidc.org/NSIDC-0498.0022026-06-24T19:16:33Zcumulusnasa_nsidc_daac
NSIDC-0498.002MEaSUREs Antarctic Grounding Line from Differential Satellite Radar InterferometryRignot, E., Mouginot, J. & Scheuchl, B.MEaSUREs Antarctic Grounding Line from Differential Satellite Radar Interferometry2016-10-25Boulder, Colorado USANASA NSIDC DAAC: NASA National Snow and Ice Data Center Distributed Active Archive Center2true10.5067/IKBWW4RYHF1Qhttps://nsidc.org/sites/default/files/nsidc-0498-v002-userguide_1.pdfNSIDC-0498Rignot, E., Mouginot, J. & Scheuchl, B.2011Antarctic Grounding Line Mapping from Differential Satellite Radar InterferometryGeophyical Research Letters3810L10504<a href="https://doi.org/10.1029/2011GL047109">https://doi.org/10.1029/2011GL047109</a>Literature CitationRignot, E., Scheuchl, B., Barré, J. B., Brancato, V., Charrier, L., Chen, H., Ciracì, E., Dinh, A., Herreid, S., Jeong, S., Li, X., Mitchell, T., Mohajerani, Y., Shamsian, S., Tolpekin, V., Velicogna, I. & Wollersheim, M.2026Thirty years of glacier grounding line retreat in AntarcticaProceedings of the National Academy of Sciences12310<a href="https://doi.org/10.1073/pnas.2524380123">https://doi.org/10.1073/pnas.2524380123</a>Literature CitationInvestigatorEricRignoterignot@uci.eduCroul HallIrvineCalifornia92697USAInvestigatorJeremieMouginotCroul HallIrvineCalifornia92697USAInvestigatorBerndScheuchlCroul HallIrvineCalifornia92697USATechnical ContactNSIDCUser Servicesnsidc@nsidc.org1-303-492-61991-303-492-2468CIRES, 449 UCBUniversity of ColoradoBoulderCO80309-0449USAEARTH SCIENCECRYOSPHEREGLACIERS/ICE SHEETSGLACIERSGROUNDING LINE Climatology/Meteorology/AtmosphereAIV-projectMEaSUREs-projectC-SARC-Band Synthetic Aperture RadarPALSARPhased Array type L-band Synthetic Aperture RadarPAZ-SARPAZ - Synthetic Aperture Radar (X-band)SARSynthetic Aperture RadarX-SARX-Band Synthetic Aperture RadarALOSAdvanced Land Observing SatelliteCOSMO-SKYMEDConstellation of Small Satellites for Mediterranean basin ObservationERS-1European Remote Sensing Satellite-1ERS-2European Remote Sensing Satellite-2ICEYEICEYEPAZSAR Observation Spanish SatelliteRADARSAT-1RADARSAT-2SENTINEL-1ASENTINEL-1ATSXTerraSAR-X1992-02-072025-11-26complete-90-60-180180CONTINENTANTARCTICA100 mVariesThese data are freely, openly, and fully accessible, provided that you are logged into your NASA Earthdata profile (https://urs.earthdata.nasa.gov/).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.EnglishUC-IRVINE/PHYSSCI/ESSNASA NSIDC DAACNASA National Snow and Ice Data Center Distributed Active Archive Centerhttps://nsidc.org/daacData Center ContactNSIDCUser Servicesnsidc@nsidc.org1-303-492-6199National Snow and Ice Data CenterCIRES, 449 UCBUniversity of ColoradoBoulderCO80309-0449USAHTTPSShapefileHTTPSGeoPackageAndersen, J. K., Millan, R., Rignot, E., Scheuchl, B., Barré, J. B., and Bjørk, A. A. (2025). Brief communication: Updated grounding line mapping in the Amundsen Sea Embayment, Antarctica, from 1-day repeat Sentinel-1 SAR data, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2025-4471
Brancato, V., Rignot, E., Milillo, P., Morlighem, M., Mouginot, J., An, L., Scheuchl, B., Jeong, S., Rizzoli, P., Bueso Bello, J. L., & Prats‐Iraola, P. (2020). Grounding Line Retreat of Denman Glacier, East Antarctica, Measured With COSMO‐SkyMed Radar Interferometry Data. Geophysical Research Letters, 47(7). https://doi.org/10.1029/2019gl086291
Chen, Hanning, Rignot, Eric, Scheuchl, Bernd, & Ehrenfeucht, S. (2023). Grounding Zone of Amery Ice Shelf, Antarctica, From Differential Synthetic‐Aperture Radar Interferometry. Geophysical Research Letters, 50(6). https://doi.org/10.1029/2022gl102430
Chen, H., Rignot, E., Scheuchl, B., Milillo, P., Morlighem, M., Gadi, R., Ciracì, E., Kim, J.H. and Dini, L. (2025). Rapid retreat of Berry Glacier, West Antarctica, linked to seawater intrusions revealed by radar interferometry. Nature Communications, 16(1), 9292. https://doi.org/10.1038/s41467-025-64330-0
Li, Xin, Rignot, Eric, Morlighem, Mathieu, Mouginot, Jeremie, & Scheuchl, Bernd. (2015). Grounding line retreat of Totten Glacier, East Antarctica, 1996 to 2013. Geophysical Research Letters, 42(19), 8049–8056. https://doi.org/10.1002/2015gl065701
Milillo, P., Rignot, E., Mouginot, J., Scheuchl, B., Morlighem, M., Li, X., & Salzer, J. T. (2017). On the Short‐term Grounding Zone Dynamics of Pine Island Glacier, West Antarctica, Observed With COSMO‐SkyMed Interferometric Data. Geophysical Research Letters, 44(20). https://doi.org/10.1002/2017gl074320
Milillo, P., Rignot, E., Rizzoli, P., Scheuchl, B., Mouginot, J., Bueso-Bello, J., & Prats-Iraola, P. (2019). Heterogeneous retreat and ice melt of Thwaites Glacier, West Antarctica. Science Advances, 5(1). https://doi.org/10.1126/sciadv.aau3433
Milillo, P., Rignot, E., Rizzoli, P., Scheuchl, B., Mouginot, J., Bueso-Bello, J. L., Prats-Iraola, P., & Dini, L. (2022). Rapid glacier retreat rates observed in West Antarctica. Nature Geoscience, 15(1), 48–53. https://doi.org/10.1038/s41561-021-00877-z
Mohajerani, Y., Jeong, Seongsu, Scheuchl, Bernd, Velicogna, I., Rignot, Eric, & Milillo, Pietro. (2021). Automatic delineation of glacier grounding lines in differential interferometric synthetic-aperture radar data using deep learning. Scientific Reports, 11(1). https://doi.org/10.1038/s41598-021-84309-3
Rignot, E. (1996). Tidal flexure, ice velocities and ablation rates of Petermann Gletscher, Greenland. Journal of Glaciology, 42(142): 476-485. https://hdl.handle.net/2014/24721
Rignot, E., S. P. Gogineni, W. B. Krabill, and S. Ekholm. (1997). North and northeast Greenland ice discharge from satellite radar interferometry, Science, 276(5314), 934-937. https://doi.org/10.1126/science.276.5314.934
Rignot, E. (1998). Hinge-line migration of Petermann Gletscher, north Greenland, detected using satellite-radar interferometry, Journal of Glaciology, 44(148): 469-476. https://doi.org/10.3189/S0022143000001994
Rignot, E. (1998). Fast recession of a West Antarctic glacier. Science, 281(5376): 549-551. https://doi.org/10.1126/science.281.5376.549
Rignot, E. (1998). Radar Interferometry Detection of Hinge-Line Migration on Rutford Ice Stream and Carlson Inlet, Antarctica. Annals of Glaciology, 27: 25-32. https://doi.org/10.3189/1998AoG27-1-25-32
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): 19615-196130. https://doi.org/10.1029/1999JC000011
Rignot, E. (2001). Evidence for rapid retreat and mass loss of Thwaites Glacier, West Antarctica, Journal of Glaciology, 47(157): 213-222. https://doi.org/10.3189/172756501781832340
Rignot, E. (2002). East Antarctic Glaciers and Ice Shelves Mass Balance from Satellite Data. Annals of Glaciology, 34: 217-227. https://doi.org/10.3189/172756402781817419
Rignot, E., Mouginot, J., & Scheuchl, B. (2011). Antarctic grounding line mapping from differential satellite radar interferometry. Geophysical Research Letters, 38(10). https://doi.org/10.1029/2011gl047109
Rignot, E., S. Jacobs, J. Mouginot, and B. Scheuchl. (2013). Ice-shelf melting around Antarctica. Science, 341(6143): 266-270. https://doi.org/10.1126/science.1235798
Rignot, E., Mouginot, J., Morlighem, M., Seroussi, H., & Scheuchl, B. (2014). Widespread, rapid grounding line retreat of Pine Island, Thwaites, Smith, and Kohler glaciers, West Antarctica, from 1992 to 2011. Geophysical Research Letters, 41(10), 3502–3509. https://doi.org/10.1002/2014gl060140
Rignot E., Mouginot J., Scheuchl B., van den Broeke M., van Wessem MJ., Morlighem M. (2019). Four decades of Antarctic Ice Sheet mass balance from 1979–2017. Proceedings of the National Academy of Sciences, 116(4):1095-103. https://doi.org/10.1073/pnas.1812883116
Rignot, E., Mouginot, J., Scheuchl, B., Jeong, S. (2022). Changes in Antarctic ice sheet motion derived from satellite radar interferometry between 1995 and 2022. Geophysical Research Letters, 49(23). https://doi.org/10.1029/2022GL100141
Rignot, Eric, Ciracì, E., Scheuchl, Bernd, Tolpekin, V., Wollersheim, M., & Dow, C. (2024). Widespread seawater intrusions beneath the grounded ice of Thwaites Glacier, West Antarctica. Proceedings of the National Academy of Sciences, 121(22). https://doi.org/10.1073/pnas.2404766121
Rignot et al. (2026). Thirty Years of Glacier Grounding Line Retreat in Antarctica. Proceedings of the National Academy of Sciences. In Review.
Scheuchl, B., Mouginot, J., Rignot, E., Morlighem, M., and Khazendar, A. (2016). Grounding line retreat of Pope, Smith, and Kohler Glaciers, West Antarctica, measured with Sentinel‐1a radar interferometry data. Geophysical Research Letters, 43(16), 8572–8579. https://doi.org/10.1002/2016gl069287
Schmeltz, M., E. Rignot, and D. McAyeal. (2001). Ephemeral grounding as a signal of ice-shelf change. Journal of Glaciology, 47(156): 71-77. https://doi.org/10.3189/172756501781832502
Schmeltz, M., E. Rignot, and D. McAyeal. (2002). Tidal flexure along ice sheet margins: Comparison of InSAR with an elastic plate model. Annals of Glaciology, 34: 202-208. https://doi.org/10.3189/172756402781818049This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, provides comprehensive high-resolution mapping of grounding lines in Antarctica from February 1992 through November 2025. The data were derived by applying differential satellite synthetic aperture radar (SAR) interferometry (DInSAR) to SAR data acquired by various space-based platforms.
See <a href="https://nsidc.org/data/measures/aiv">Antarctic Ice Sheet Velocity and Mapping Data</a> for related data.VIEW RELATED INFORMATIONhttps://nsidc.org/sites/default/files/nsidc-0498-v002-userguide_1.pdfMEaSUREs Antarctic Grounding Line from Differential Satellite Radar Interferometry, Version 2 User GuideGET DATAhttps://search.earthdata.nasa.gov/search/granules?p=C3291177478-NSIDC_CPRDEarthdata SearchGET DATAhttps://cmr.earthdata.nasa.gov/virtual-directory/collections/C3291177478-NSIDC_CPRDHTTPSGET DATAhttps://nsidc.org/data/data-access-tool/NSIDC-0498/versions/2/Data Access ToolGET DATAhttps://earthaccess.readthedocs.io/en/stable/earthaccessCEOS IDN DIFVERSION 9.92016-10-252026-06-24NSIDCVersion SummaryFor Version 2, temporal coverage was extended through 2014. In addition, the data format changed to shapefiles.NSIDCMinor Version1For Version 2.1, temporal coverage extended through 26 November 2025; new satellite/sensor source data added (see user guide for details); data reprojected to WGS 84 / Antarctic Polar Stereographic (EPSG:3031); data provided in both Shapefile and Geopackage formats.1992-02-072025-11-26NSIDCCurrent Version1NSIDCSpatial Reference SystemsEPSG:3031WGS 84 / Antarctic Polar StereographicNSIDCLevel of ServiceStandardNSIDCFull Dataset CitationRignot, E., Mouginot, J. & Scheuchl, B. (2016). <i>MEaSUREs Antarctic Grounding Line from Differential Satellite Radar Interferometry</i>. (NSIDC-0498, Version 2). [Data Set]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. <a href="https://doi.org/10.5067/IKBWW4RYHF1Q">https://doi.org/10.5067/IKBWW4RYHF1Q</a>. [<i><describe subset used if applicable></i>].NSIDCRetiredfalseNSIDCRelated Servicesapplication/vnd.nasa.cmr.umm+jsonfalsebookerlmmt_service_52052S3107386427-NSIDC_CPRDNSIDC_CPRD3service2024-12-03T17:04:33.698Zhttps://cmr.earthdata.nasa.gov/virtual-directory/collections/NSIDC_CPRD_HTTPS_File_SystemNOT PROVIDED1HTTPS File SystemQuickly download a few files using a web browser, or access data through a command-line utility such as WGET.https://nsidc.org/data/user-resources/help-center/nasa-earthdata-cloud-data-access-guide#anchor-download-to-a-local-computer-from-earthdata-cloudVIEW RELATED INFORMATIONNASA Earthdata Cloud Data Access GuidePublicationURLUSER SERVICESNSIDC DAAC User ServicesEmailnsidc@nsidc.orgDATA ACCESS/RETRIEVALDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESSee https://github.com/nasa/Common-Metadata-Repository/releases for more information on the latest version.DEVELOPERMaintenance and Development, Earth Observing System Data and Information System, Earth Observing System,Goddard Space Flight Center, NASANASA/GSFC/EOS/EOSDIS/EMDORIGINATORPUBLISHERSERVICE PROVIDERNASA National Snow and Ice Data Center Distributed Active Archive CenterNASA NSIDC DAACNSIDC DAAC home pagehttps://nsidc.org/daacNASA Distributed Active Archive Center (DAAC) at NSIDC home page.https://cdn.earthdata.nasa.gov/umm/service/v1.4UMM-S1.4https://cmr.earthdata.nasa.gov/virtual-directory/collections/C3291177478-NSIDC_CPRDapplication/vnd.nasa.cmr.umm+jsonfalseamy.steikermmt_service_25004S2472217299-NSIDC_CPRDNSIDC_CPRD1service2022-09-20T22:05:06.185Zs3://nsidc-cumulus-prod-protected/NSIDC_CPRD_S3NOT PROVIDED1.0NASA Earthdata Cloud (AWS S3)Access data directly from the NASA Earthdata Cloud via Amazon Web Services Simple Storage Service (AWS S3). This access option is only available when working within the us-west-2 region and requires additional AWS S3 credentials.https://nsidc.org/data/user-resources/help-center/nasa-earthdata-cloud-data-access-guideVIEW RELATED INFORMATIONNASA Earthdata Cloud Data Access GuidePublicationURLhttps://data.nsidc.earthdatacloud.nasa.gov/s3credentialsVIEW RELATED INFORMATIONAWS S3 CredentialsPublicationURLUSER SERVICESNSIDC DAAC User ServicesEmailnsidc@nsidc.orgDATA ACCESS/RETRIEVALDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESThis is the most current release of this service. Last updated date is unknown.SERVICE PROVIDERNASA National Snow and Ice Data Center Distributed Active Archive CenterNASA NSIDC DAAChttps://cdn.earthdata.nasa.gov/umm/service/v1.4UMM-S1.4https://nsidc.org/data/user-resources/help-center/nasa-earthdata-cloud-data-access-guideNSIDCRelated Toolsapplication/vnd.nasa.cmr.umm+jsonfalsefritzdimmt_tool_50907TL3010466318-NSIDC_CPRDNSIDC_CPRD5tool2026-06-24T18:30:53.034Zhttps://zenodo.org/badge/latestdoi/399867529DOWNLOAD SOFTWAREhttps://earthaccess.readthedocs.io/en/stable/DistributionURLNSIDC_CPRD_EARTHACCESSDownloadable Tool0.18.0earthaccessearthaccess is a python library to search and access NASA Earth science data with just a few lines of code.https://github.com/earthaccess-dev/earthaccessVIEW RELATED INFORMATIONGitHub RepositoryPublicationURLDATA ACCESS/RETRIEVALDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESDATA SEARCHDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESPUBLISHERNSIDC DAAC User ServicesEmailnsidc@nsidc.orgPUBLISHERNASA National Snow and Ice Data Center Distributed Active Archive Centerhttps://nsidc.org/daac/NASA NSIDC DAACPUBLISHERNational Snow and Ice Data Centerhttp://nsidc.orgNSIDCDEVELOPERAlaska Satellite Facilityhttps://www.asf.alaska.edu/ASFDEVELOPERInstitute for the Study of Earth, Oceans, and Space, University of New Hampshirehttp://www.eos.unh.edu/UNH/EOSDEVELOPERAtmospheric Science Data Center, Science Directorate, Langley Research Center, NASAhttps://asdc.larc.nasa.gov/NASA/LARC/SD/ASDCMIT License
Copyright (c) 2021 Luis Lopez
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SOFTWARE.2026-05-12T00:00:00.000ZAs 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., & Steiker, A. (2024). earthaccess (Version 0.9.0) [Computer software]. https://doi.org/10.5281/zenodo.8365009
See https://github.com/nsidc/earthaccess/releases for more information on the latest version.https://cdn.earthdata.nasa.gov/umm/tool/v1.0UMM-T1.0Python3.8 or higherhttps://earthaccess.readthedocs.io/en/stable/application/vnd.nasa.cmr.umm+jsonfalsecrumlydmmt_tool_12314TL4019511337-NSIDC_CPRDNSIDC_CPRD1tool2026-02-11T17:42:34.275ZGOTO WEB TOOLhttps://nsidc.org/data/data-access-tool/DistributionURLNSIDC_CPRD_Data_Access_ToolWeb User Interface3.1.0Data Access ToolFilter files before downloading based on date, spatial area, or file name. Choose from various download options, such as Python script. Export bounding boxes as a GeoJSON.https://nsidc.org/support/how/search-filter-and-order-nsidc-dataVIEW RELATED INFORMATIONHow to filter and order from a data set web pagePublicationURLhttps://nsidc.org/data/user-resources/help-center/how-to-use-earthdata-downloadVIEW RELATED INFORMATIONHow to use Earthdata DownloadPublicationURLDATA SEARCHDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESDATA ACCESS/RETRIEVALDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESSERVICE PROVIDERNSIDC User ServicesEmailnsidc@nsidc.orgDEVELOPERPUBLISHERSERVICE PROVIDERNASA National Snow and Ice Data Center Distributed Active Archive Centerhttps://nsidc.org/daac/NASA NSIDC DAAC2025-04-16T00:00:00.000ZChromeFirefoxSafariSee https://github.com/nsidc/data-access-tool-ui/blob/main/CHANGELOG.md for more information on the latest version.https://cdn.earthdata.nasa.gov/umm/tool/v1.0UMM-T1.0https://nsidc.org/data/data-access-tool/NSIDC-0498/versions/2/application/vnd.nasa.cmr.umm+jsonfalsecrumlydmmt_tool_12821TL4019517520-NSIDC_CPRDNSIDC_CPRD1tool2026-02-11T17:45:02.724ZGOTO WEB TOOLhttps://search.earthdata.nasa.gov/searchDistributionURLNSIDC_CPRD_NASA_Earthdata_SearchWeb User Interface1NASA Earthdata SearchSearch and order data from all NASA DAACs using spatial and temporal filters in a map interface. Reformatting, reprojecting, and subsetting options are available for some data sets.https://nsidc.org/support/how/search-order-and-customize-nsidc-daac-data-nasa-earthdata-searchVIEW RELATED INFORMATIONHow to search, order, and customize data with NASA Earthdata SearchPublicationURLDATA VISUALIZATIONDATA ANALYSIS AND VISUALIZATIONEARTH SCIENCE SERVICESDATA SEARCHDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESDATA ACCESS/RETRIEVALDATA MANAGEMENT/DATA HANDLINGEARTH SCIENCE SERVICESSERVICE PROVIDERNSIDC DAAC User ServicesEmailnsidc@nsidc.orgSERVICE PROVIDEREarthdata Service DeskEmailsupport@earthdata.nasa.govAUTHORDEVELOPERORIGINATORPUBLISHERMaintenance and Development, Earth Observing System Data and Information System, Earth Observing System,Goddard Space Flight Center, NASAhttp://newsroom.gsfc.nasa.gov/NASA/GSFC/EOS/EOSDIS/EMDChromeFirefoxSafariThis is the most current release of this tool.https://cdn.earthdata.nasa.gov/umm/tool/v1.0UMM-T1.0https://search.earthdata.nasa.gov/search/granules?p=C3291177478-NSIDC_CPRD