Bedmap3 updated ice bed, surface and thickness gridded datasets for Antarctica
Abstract We present Bedmap3, the latest suite of gridded products describing surface elevation, ice-thickness and the seafloor and subglacial bed elevation of the Antarctic south of 60 °S. Bedmap3 incorporates and adds to all post-1950s datasets previously used for Bedmap2, including 84 new aero-geo...
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Nature Portfolio
2025-03-01
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| Series: | Scientific Data |
| Online Access: | https://doi.org/10.1038/s41597-025-04672-y |
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| author | Hamish D. Pritchard Peter T. Fretwell Alice C. Fremand Julien A. Bodart James D. Kirkham Alan Aitken Jonathan Bamber Robin Bell Cesidio Bianchi Robert G. Bingham Donald D. Blankenship Gino Casassa Knut Christianson Howard Conway Hugh F. J. Corr Xiangbin Cui Detlef Damaske Volkmar Damm Boris Dorschel Reinhard Drews Graeme Eagles Olaf Eisen Hannes Eisermann Fausto Ferraccioli Elena Field René Forsberg Steven Franke Vikram Goel Siva Prasad Gogineni Jamin Greenbaum Benjamin Hills Richard C. A. Hindmarsh Andrew O. Hoffman Nicholas Holschuh John W. Holt Angelika Humbert Robert W. Jacobel Daniela Jansen Adrian Jenkins Wilfried Jokat Lenneke Jong Tom A. Jordan Edward C. King Jack Kohler William Krabill Joséphine Maton Mette Kusk Gillespie Kirsty Langley Joohan Lee German Leitchenkov Cartlon Leuschen Bruce Luyendyk Joseph A. MacGregor Emma MacKie Geir Moholdt Kenichi Matsuoka Mathieu Morlighem Jérémie Mouginot Frank O. Nitsche Ole A. Nost John Paden Frank Pattyn Sergey Popov Eric Rignot David M. Rippin Andrés Rivera Jason L. Roberts Neil Ross Antonia Ruppel Dustin M. Schroeder Martin J. Siegert Andrew M. Smith Daniel Steinhage Michael Studinger Bo Sun Ignazio Tabacco Kirsty J. Tinto Stefano Urbini David G. Vaughan Douglas S. Wilson Duncan A. Young Achille Zirizzotti |
| author_facet | Hamish D. Pritchard Peter T. Fretwell Alice C. Fremand Julien A. Bodart James D. Kirkham Alan Aitken Jonathan Bamber Robin Bell Cesidio Bianchi Robert G. Bingham Donald D. Blankenship Gino Casassa Knut Christianson Howard Conway Hugh F. J. Corr Xiangbin Cui Detlef Damaske Volkmar Damm Boris Dorschel Reinhard Drews Graeme Eagles Olaf Eisen Hannes Eisermann Fausto Ferraccioli Elena Field René Forsberg Steven Franke Vikram Goel Siva Prasad Gogineni Jamin Greenbaum Benjamin Hills Richard C. A. Hindmarsh Andrew O. Hoffman Nicholas Holschuh John W. Holt Angelika Humbert Robert W. Jacobel Daniela Jansen Adrian Jenkins Wilfried Jokat Lenneke Jong Tom A. Jordan Edward C. King Jack Kohler William Krabill Joséphine Maton Mette Kusk Gillespie Kirsty Langley Joohan Lee German Leitchenkov Cartlon Leuschen Bruce Luyendyk Joseph A. MacGregor Emma MacKie Geir Moholdt Kenichi Matsuoka Mathieu Morlighem Jérémie Mouginot Frank O. Nitsche Ole A. Nost John Paden Frank Pattyn Sergey Popov Eric Rignot David M. Rippin Andrés Rivera Jason L. Roberts Neil Ross Antonia Ruppel Dustin M. Schroeder Martin J. Siegert Andrew M. Smith Daniel Steinhage Michael Studinger Bo Sun Ignazio Tabacco Kirsty J. Tinto Stefano Urbini David G. Vaughan Douglas S. Wilson Duncan A. Young Achille Zirizzotti |
| author_sort | Hamish D. Pritchard |
| collection | DOAJ |
| description | Abstract We present Bedmap3, the latest suite of gridded products describing surface elevation, ice-thickness and the seafloor and subglacial bed elevation of the Antarctic south of 60 °S. Bedmap3 incorporates and adds to all post-1950s datasets previously used for Bedmap2, including 84 new aero-geophysical surveys by 15 data providers, an additional 52 million data points and 1.9 million line-kilometres of measurement. These efforts have filled notable gaps including in major mountain ranges and the deep interior of East Antarctica, along West Antarctic coastlines and on the Antarctic Peninsula. Our new Bedmap3/RINGS grounding line similarly consolidates multiple recent mappings into a single, spatially coherent feature. Combined with updated maps of surface topography, ice shelf thickness, rock outcrops and bathymetry, Bedmap3 reveals in much greater detail the subglacial landscape and distribution of Antarctica’s ice, providing new opportunities to interpret continental-scale landscape evolution and to model the past and future evolution of the Antarctic ice sheets. |
| format | Article |
| id | doaj-art-70bc344b62af4fd086ebea3da8f7f966 |
| institution | DOAJ |
| issn | 2052-4463 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Data |
| spelling | doaj-art-70bc344b62af4fd086ebea3da8f7f9662025-08-20T02:56:10ZengNature PortfolioScientific Data2052-44632025-03-0112112010.1038/s41597-025-04672-yBedmap3 updated ice bed, surface and thickness gridded datasets for AntarcticaHamish D. Pritchard0Peter T. Fretwell1Alice C. Fremand2Julien A. Bodart3James D. Kirkham4Alan Aitken5Jonathan Bamber6Robin Bell7Cesidio Bianchi8Robert G. Bingham9Donald D. Blankenship10Gino Casassa11Knut Christianson12Howard Conway13Hugh F. J. Corr14Xiangbin Cui15Detlef Damaske16Volkmar Damm17Boris Dorschel18Reinhard Drews19Graeme Eagles20Olaf Eisen21Hannes Eisermann22Fausto Ferraccioli23Elena Field24René Forsberg25Steven Franke26Vikram Goel27Siva Prasad Gogineni28Jamin Greenbaum29Benjamin Hills30Richard C. A. Hindmarsh31Andrew O. Hoffman32Nicholas Holschuh33John W. Holt34Angelika Humbert35Robert W. Jacobel36Daniela Jansen37Adrian Jenkins38Wilfried Jokat39Lenneke Jong40Tom A. Jordan41Edward C. King42Jack Kohler43William Krabill44Joséphine Maton45Mette Kusk Gillespie46Kirsty Langley47Joohan Lee48German Leitchenkov49Cartlon Leuschen50Bruce Luyendyk51Joseph A. MacGregor52Emma MacKie53Geir Moholdt54Kenichi Matsuoka55Mathieu Morlighem56Jérémie Mouginot57Frank O. Nitsche58Ole A. Nost59John Paden60Frank Pattyn61Sergey Popov62Eric Rignot63David M. Rippin64Andrés Rivera65Jason L. Roberts66Neil Ross67Antonia Ruppel68Dustin M. Schroeder69Martin J. Siegert70Andrew M. Smith71Daniel Steinhage72Michael Studinger73Bo Sun74Ignazio Tabacco75Kirsty J. Tinto76Stefano Urbini77David G. Vaughan78Douglas S. Wilson79Duncan A. Young80Achille Zirizzotti81British Antarctic SurveyBritish Antarctic SurveyBritish Antarctic SurveyClimate and Environmental Physics, University of BernBritish Antarctic SurveySchool of Earth and Oceans and the Australian Centre for Excellence in Antarctic Science, The University of Western AustraliaSchool of Geographical Sciences, University of BristolLamont-Doherty Earth Observatory of Columbia UniversityIstituto Nazionale di Geofisica e VulcanologiaSchool of GeoSciences, University of EdinburghInstitute for Geophysics, University of Texas at AustinGeneral Directorate of Water (DGA)Earth and Space Sciences, University of WashingtonEarth and Space Sciences, University of WashingtonBritish Antarctic SurveyPolar Research Institute of ChinaFederal Institute for Geosciences and Natural ResourcesFederal Institute for Geosciences and Natural ResourcesAlfred Wegener Institute Helmholtz Centre for Polar and Marine ResearchDepartment of Geosciences, Tübingen UniversityAlfred Wegener Institute Helmholtz Centre for Polar and Marine ResearchAlfred Wegener Institute Helmholtz Centre for Polar and Marine ResearchAlfred Wegener Institute Helmholtz Centre for Polar and Marine ResearchBritish Antarctic SurveyBritish Antarctic SurveyDTU SpaceDepartment of Geosciences, Tübingen UniversityNational Centre for Polar & Ocean Research (NCPOR), Ministry of Earth Sciences, Vasco-da GamaUniversity of AlabamaInstitute for Geophysics, University of Texas at AustinColorado School of Mines, Department of GeophysicsBritish Antarctic SurveyLamont-Doherty Earth Observatory of Columbia UniversityAmherst CollegeLunar and Planetary Laboratory, University of ArizonaAlfred Wegener Institute Helmholtz Centre for Polar and Marine ResearchSt. Olaf CollegeAlfred Wegener Institute Helmholtz Centre for Polar and Marine ResearchDepartment of Geography and Environmental Sciences, Northumbria UniversityAlfred Wegener Institute Helmholtz Centre for Polar and Marine ResearchAustralian Antarctic DivisionBritish Antarctic SurveyBritish Antarctic SurveyNorwegian Polar Institute, Fram CentreNASA Wallops Flight FacilityNorwegian Polar InstituteWestern Norway University of Applied SciencesAsiaq, Greenland SurveyKorea Polar Research InstituteInstitute for Geology and Mineral Resources of the World OceanCentre for Remote Sensing and Integrated Systems, University of KansasEarth Research Institute, University of California in Santa BarbaraCryospheric Sciences Lab, NASA Goddard Space Flight CenterDepartment of Geological Sciences, University of FloridaNorwegian Polar InstituteNorwegian Polar InstituteDepartment of Earth Sciences, Dartmouth CollegeDepartment of Earth System Science, University of California IrvineLamont-Doherty Earth Observatory of Columbia UniversityOceanbox.ioCentre for Remote Sensing and Integrated Systems, University of KansasLaboratoire de Glaciologie, Université Libre de BruxellesPolar Marine Geosurvey ExpeditionDepartment of Earth System Science, University of California IrvineDepartment of Environment and Geography, University of YorkDepartamento de Geografía, Universidad de ChileAustralian Antarctic DivisionSchool of Geography, Politics and Sociology, Newcastle UniversityFederal Institute for Geosciences and Natural ResourcesDepartment of Geophysics, Stanford UniversityUniversity of Exeter, Penryn Campus, PenrynBritish Antarctic SurveyAlfred Wegener Institute Helmholtz Centre for Polar and Marine ResearchNASA Goddard Space Flight CenterPolar Research Institute of ChinaIstituto Nazionale di Geofisica e VulcanologiaLamont-Doherty Earth Observatory of Columbia UniversityIstituto Nazionale di Geofisica e VulcanologiaBritish Antarctic SurveyMarine Science Institute, University of California Santa BarbaraInstitute for Geophysics, University of Texas at AustinIstituto Nazionale di Geofisica e VulcanologiaAbstract We present Bedmap3, the latest suite of gridded products describing surface elevation, ice-thickness and the seafloor and subglacial bed elevation of the Antarctic south of 60 °S. Bedmap3 incorporates and adds to all post-1950s datasets previously used for Bedmap2, including 84 new aero-geophysical surveys by 15 data providers, an additional 52 million data points and 1.9 million line-kilometres of measurement. These efforts have filled notable gaps including in major mountain ranges and the deep interior of East Antarctica, along West Antarctic coastlines and on the Antarctic Peninsula. Our new Bedmap3/RINGS grounding line similarly consolidates multiple recent mappings into a single, spatially coherent feature. Combined with updated maps of surface topography, ice shelf thickness, rock outcrops and bathymetry, Bedmap3 reveals in much greater detail the subglacial landscape and distribution of Antarctica’s ice, providing new opportunities to interpret continental-scale landscape evolution and to model the past and future evolution of the Antarctic ice sheets.https://doi.org/10.1038/s41597-025-04672-y |
| spellingShingle | Hamish D. Pritchard Peter T. Fretwell Alice C. Fremand Julien A. Bodart James D. Kirkham Alan Aitken Jonathan Bamber Robin Bell Cesidio Bianchi Robert G. Bingham Donald D. Blankenship Gino Casassa Knut Christianson Howard Conway Hugh F. J. Corr Xiangbin Cui Detlef Damaske Volkmar Damm Boris Dorschel Reinhard Drews Graeme Eagles Olaf Eisen Hannes Eisermann Fausto Ferraccioli Elena Field René Forsberg Steven Franke Vikram Goel Siva Prasad Gogineni Jamin Greenbaum Benjamin Hills Richard C. A. Hindmarsh Andrew O. Hoffman Nicholas Holschuh John W. Holt Angelika Humbert Robert W. Jacobel Daniela Jansen Adrian Jenkins Wilfried Jokat Lenneke Jong Tom A. Jordan Edward C. King Jack Kohler William Krabill Joséphine Maton Mette Kusk Gillespie Kirsty Langley Joohan Lee German Leitchenkov Cartlon Leuschen Bruce Luyendyk Joseph A. MacGregor Emma MacKie Geir Moholdt Kenichi Matsuoka Mathieu Morlighem Jérémie Mouginot Frank O. Nitsche Ole A. Nost John Paden Frank Pattyn Sergey Popov Eric Rignot David M. Rippin Andrés Rivera Jason L. Roberts Neil Ross Antonia Ruppel Dustin M. Schroeder Martin J. Siegert Andrew M. Smith Daniel Steinhage Michael Studinger Bo Sun Ignazio Tabacco Kirsty J. Tinto Stefano Urbini David G. Vaughan Douglas S. Wilson Duncan A. Young Achille Zirizzotti Bedmap3 updated ice bed, surface and thickness gridded datasets for Antarctica Scientific Data |
| title | Bedmap3 updated ice bed, surface and thickness gridded datasets for Antarctica |
| title_full | Bedmap3 updated ice bed, surface and thickness gridded datasets for Antarctica |
| title_fullStr | Bedmap3 updated ice bed, surface and thickness gridded datasets for Antarctica |
| title_full_unstemmed | Bedmap3 updated ice bed, surface and thickness gridded datasets for Antarctica |
| title_short | Bedmap3 updated ice bed, surface and thickness gridded datasets for Antarctica |
| title_sort | bedmap3 updated ice bed surface and thickness gridded datasets for antarctica |
| url | https://doi.org/10.1038/s41597-025-04672-y |
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