2026-08-16T02:52:03Zhttp://nsidc.org/api/dataset/metadata/oai

oai:nsidc.org/IDBMG4.0052026-03-03T21:04:16Zcumulusretirednasa_nsidc_daac

IDBMG4.005IceBridge BedMachine GreenlandMorlighem, M. et alIceBridge BedMachine Greenland2022-09-06Boulder, Colorado USANASA NSIDC DAAC: NASA National Snow and Ice Data Center Distributed Active Archive Center5false10.5067/GMEVBWFLWA7Xhttps://nsidc.org/sites/default/files/documents/user-guide/idbmg4-v005-userguide.pdfIDBMG4Morlighem, M., Williams, C., Rignot, E., An, L., Arndt, J. E., Bamber, J. L., Catania, G., Chauché, N., Dowdeswell, J. A., Dorschel, B., Fenty, I., Hogan, K., Howat, I., Hubbard, A., Jakobsson, M., Jordan, T. M., Kjeldsen, K. K., Millan, R., Mayer, L., Mouginot, J., Noël, B., O'Cofaigh, C., Palmer, S. J., Rysgaard, S., Seroussi, H., Siegert, M. J., Slabon, P., Straneo, F., van den Broeke, M. R., Weinrebe, W., Wood, M. & Zinglersen, K.2017Geophysical Research Letters442111051-11061<a href="https://doi.org/10.1002/2017GL074954 ">https://doi.org/10.1002/2017GL074954 </a>Literature CitationTechnical ContactNSIDCUser Servicesnsidc@nsidc.org1-303-492-61991-303-492-2468

CIRES, 449 UCB

University of Colorado

BoulderCO80309-0449USAEARTH SCIENCEOCEANSBATHYMETRY/SEAFLOOR TOPOGRAPHYBATHYMETRY EARTH SCIENCELAND SURFACETOPOGRAPHYTERRAIN ELEVATIONBED ELEVATION EARTH SCIENCECLIMATE INDICATORSCRYOSPHERIC INDICATORSGLACIAL MEASUREMENTSGLACIER/ICE SHEET THICKNESS EARTH SCIENCELAND SURFACETOPOGRAPHYTERRAIN ELEVATION ElevationGeoscientific InformationIB Derived Products-project IceBridge-projectMCoRDSMultichannel Coherent Radar Depth SounderNASA DC-8NASA Douglas DC-8P-3BLockheed P-3B Orion1993-01-012021-12-31deprecated6090-8010CONTINENTNORTH AMERICAGREENLAND150 m150 mThese data have been retired and are no longer accessible, though a more recent version of these data may be available.These data have been retired and are no longer available for use, though a more recent version of these data may be available. Cite any prior or planned use of these data according to the recommended citation at 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.EnglishDartmouth/Earth-SciNASA NSIDC DAACNASA National Snow and Ice Data Center Distributed Active Archive Centerhttps://nsidc.org/daacData Center ContactNSIDCUser Servicesnsidc@nsidc.org1-303-492-6199

National Snow and Ice Data Center

CIRES, 449 UCB

University of Colorado

BoulderCO80309-0449USAHTTPSnetCDF-4HTTPSGeoTIFF

This data set contains a bed topography and bathymetry map of Greenland based on mass conservation, multi-beam data, and other techniques. It also includes surface elevation and ice thickness data, as well as an ice/ocean/land mask.

VIEW RELATED INFORMATIONhttps://nsidc.org/sites/default/files/documents/user-guide/idbmg4-v005-userguide.pdfIceBridge BedMachine Greenland, Version 5 User GuideCEOS IDN DIFVERSION 9.92022-09-062026-03-03NSIDCVersion SummaryThis data set is the same as Version 4 with the following changes: -Added bathymetry measurements from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, in front of the Northeast Greenland Ice Stream -Added ice thickness for ice caps from Millan et al. (2022) (https://www.nature.com/articles/s41561-021-00885-z) -Included bathymetry data from NASA's 2021 Oceans Melting Greenland (OMG) campaign -Provided a geotiff file of bed elevationNSIDCMinor VersionNSIDCSpatial Reference SystemsEPSG:3413WGS 84 / NSIDC Sea Ice Polar Stereographic NorthNSIDCLevel of ServiceNo Data AccessNSIDCFull Dataset CitationMorlighem, M. et al. (2022). <i>IceBridge BedMachine Greenland</i>. (IDBMG4, Version 5). [Data Set]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. <a href="https://doi.org/10.5067/GMEVBWFLWA7X">https://doi.org/10.5067/GMEVBWFLWA7X</a>. [<i><describe subset used if applicable></i>].NSIDCRetiredtrue