Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/8533
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dc.contributor.authorallFretwell, P.; British Antarctic Survey, Cambridge, UK-
dc.contributor.authorallPritchard, H. D.; British Antarctic Survey, Cambridge, UK-
dc.contributor.authorallVaughan, D. G.; British Antarctic Survey, Cambridge, UK-
dc.contributor.authorallBamber, J. L.; School of Geographical Sciences, University of Bristol, UK-
dc.contributor.authorallBarrand, N. E.; British Antarctic Survey, Cambridge, UK-
dc.contributor.authorallBell, R.; Lamont-Doherty Earth Observatory of Columbia University, Palisades, USA-
dc.contributor.authorallBianchi, C.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia-
dc.contributor.authorallBingham, R. G.; School of Geosciences, University of Aberdeen, UK-
dc.contributor.authorallBlankenship, D. D.; Institute for Geophysics, University of Texas at Austin, USA-
dc.contributor.authorallCasassa, G.; Centro de Estudios Cientificos, Santiago, Chile-
dc.contributor.authorallCatania, G.; Institute for Geophysics, University of Texas at Austin, USA-
dc.contributor.authorallCallens, D.; Laboratoire de Glaciologie, Universit´e Libre de Bruxelles, Brussels, Belgium-
dc.contributor.authorallConway, H.; Earth and Space Sciences, University of Washington, Seattle, USA-
dc.contributor.authorallCook, A. J.; Department of Geography, Swansea University, Swansea, UK-
dc.contributor.authorallCorr, H. F. J.; British Antarctic Survey, Cambridge, UK-
dc.contributor.authorallDamaske, D.; Federal Institute for Geosciences and Natural Resources, Hannover, Germany-
dc.contributor.authorallDamm, V.; Federal Institute for Geosciences and Natural Resources, Hannover, Germany-
dc.contributor.authorallFerraccioli, F.; British Antarctic Survey, Cambridge, UK-
dc.contributor.authorallForsberg, R.; National Space Institute, Technical University of Denmark, Denmark-
dc.contributor.authorallFujita, S.; National Institute of Polar Research, Tokyo, Japan-
dc.contributor.authorallGim, Y.; Jet Propulsion Laboratory. California Institute of Technology, Pasadena, USA-
dc.contributor.authorallGogineni, P.; Electrical Engineering & Computer Science, University of Kansas, Lawrence, USA-
dc.contributor.authorallGriggs, J. A.; School of Geographical Sciences, University of Bristol, UK-
dc.contributor.authorallHindmarsh, R. C. A.; British Antarctic Survey, Cambridge, UK-
dc.contributor.authorallHolmlund, P.; Stockholm University, Stockholm, Sweden-
dc.contributor.authorallHolt, J. W.; Institute for Geophysics, University of Texas at Austin, USA-
dc.contributor.authorallJacobel, R. W.; St. Olaf College, Northfield, MN 55057, USA-
dc.contributor.authorallJenkins, A.; British Antarctic Survey, Cambridge, UK-
dc.contributor.authorallJokat, W.; Alfred Wegener Institute, Bremerhaven, Germany-
dc.contributor.authorallJordan, T.; British Antarctic Survey, Cambridge, UK-
dc.contributor.authorallKing, E. C.; British Antarctic Survey, Cambridge, UK-
dc.contributor.authorallKohler, J.; Norwegian Polar Institute, Fram Centre, Tromsø, Norway-
dc.contributor.authorallKrabill, W.; NASA Wallops Flight Facility, Virginia, USA-
dc.contributor.authorallRiger-Kusk, M.; College of Science, University of Canterbury, Christchurch, New Zealand-
dc.contributor.authorallLangley, K. A.; Department of Geosciences, University of Oslo, Norway-
dc.contributor.authorallLeitchenkov, G.; Institute for Geology and Mineral Resources of the World Ocean, St.-Petersburg, Russia-
dc.contributor.authorallLeuschen, C.; Electrical Engineering & Computer Science, University of Kansas, Lawrence, USA-
dc.contributor.authorallLuyendyk, B. P.; Earth Research Institute, University of California in Santa Barbara, USA-
dc.contributor.authorallMatsuoka, K.; Norwegian Polar Institute, Tromso, Norway-
dc.contributor.authorallMouginot, J.; Department of Earth System Science, University of California, Irvine, USA-
dc.contributor.authorallNitsche, F. O.; Lamont-Doherty Earth Observatory of Columbia University, Palisades, USA-
dc.contributor.authorallNogi, Y.; National Institute of Polar Research, Tokyo, Japan-
dc.contributor.authorallNost, O. A.; Norwegian Polar Institute, Tromso, Norway-
dc.contributor.authorallPopov, S. V.; Polar Marine Geosurvey Expedition, St.-Petersburg, Russia-
dc.contributor.authorallRignot, E.; School of Physical Sciences, University of California, Irvine, USA-
dc.contributor.authorallRippin, D. M.; Environment Department, University of York, Heslington, York, YO10 5DD, UK-
dc.contributor.authorallRivera, A.; Centro de Estudios Cientificos, Santiago, Chile-
dc.contributor.authorallRoberts, J.; Department of Sustainability, Environment, Water, Population and Communities, Australian Antarctic Division, Hobart, Tasmania, Australia-
dc.contributor.authorallRoss, N.; School of Geography, Politics and Sociology, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK-
dc.contributor.authorallSiegert, M. J.; School of Geographical Sciences, University of Bristol, UK-
dc.contributor.authorallSmith, A. M.; British Antarctic Survey, Cambridge, UK-
dc.contributor.authorallSteinhage, D.; Alfred Wegener Institute, Bremerhaven, Germany-
dc.contributor.authorallStudinger, M.; NASA Goddard Space Flight Center, Greenbelt, USA-
dc.contributor.authorallSun, B.; Polar Research Institute of China, Shanghai, China-
dc.contributor.authorallTinto, B. K.; Lamont-Doherty Earth Observatory of Columbia University, Palisades, USA-
dc.contributor.authorallWelch, B. C.; Alfred Wegener Institute, Bremerhaven, Germany-
dc.contributor.authorallWilson, D.; Institute for Crustal Studies, University of California in Santa Barbara, USA-
dc.contributor.authorallYoung, D. A.; Institute for Geophysics, University of Texas at Austin, USA-
dc.contributor.authorallXiangbin, C.; Polar Research Institute of China, Shanghai, China-
dc.contributor.authorallZirizzotti, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia-
dc.date.accessioned2013-03-05T12:08:45Z-
dc.date.available2013-03-05T12:08:45Z-
dc.date.issued2013-
dc.identifier.urihttp://hdl.handle.net/2122/8533-
dc.description.abstractWe present Bedmap2, a new suite of gridded products describing surface elevation, ice-thickness and the seafloor and subglacial bed elevation of the Antarctic south of 60 S. We derived these products using data from a variety of sources, including many substantial surveys completed since the original Bedmap compilation (Bedmap1) in 2001. In particular, the Bedmap2 ice thickness grid is made from 25 million measurements, over two orders of magnitude more than were used in Bedmap1. In most parts of Antarctica the subglacial landscape is visible in much greater detail than was previously available and the improved datacoverage has in many areas revealed the full scale of mountain ranges, valleys, basins and troughs, only fragments of which were previously indicated in local surveys. The derived statistics for Bedmap2 show that the volume of ice contained in the Antarctic ice sheet (27 million km3) and its potential contribution to sea-level rise (58 m) are similar to those of Bedmap1, but the mean thickness of the ice sheet is 4.6% greater, the mean depth of the bed beneath the grounded ice sheet is 72m lower and the area of ice sheet grounded on bed below sea level is increased by 10 %. The Bedmap2 compilation highlights several areas beneath the ice sheet where the bed elevation is substantially lower than the deepest bed indicated by Bedmap1. These products, along with grids of data coverage and uncertainty, provide new opportunities for detailed modelling of the past and future evolution of the Antarctic ice sheets.en_US
dc.language.isoengen_US
dc.publisher.nameCopernicus Gesellschaft GMBHen_US
dc.relation.ispartofThe Cryosphereen_US
dc.relation.ispartofseries/ 7 (2013)en_US
dc.subjectAntarctic bedrock topographyen_US
dc.subjectAntarctic mass balanceen_US
dc.titleBedmap2: improved ice bed, surface and thickness datasets for Antarcticaen_US
dc.typearticle-
dc.description.statusPublisheden_US
dc.type.QualityControlPeer-revieweden_US
dc.description.pagenumber375–393en_US
dc.identifier.URLhttp://www.the-cryosphere.net/7/375/2013/en_US
dc.subject.INGV01. Atmosphere::01.01. Atmosphere::01.01.02. Climateen_US
dc.subject.INGV02. Cryosphere::02.02. Glaciers::02.02.04. Iceen_US
dc.subject.INGV02. Cryosphere::02.02. Glaciers::02.02.05. Ice dynamicsen_US
dc.subject.INGV02. Cryosphere::02.02. Glaciers::02.02.06. Mass balanceen_US
dc.identifier.doi10.5194/tc-7-375-2013en_US
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dc.description.obiettivoSpecifico1.8. Osservazioni di geofisica ambientaleen_US
dc.description.obiettivoSpecifico3.8. Geofisica per l'ambienteen_US
dc.description.journalTypeJCR Journalen_US
dc.description.fulltextopenen
dc.relation.issn1994-0416en_US
dc.relation.eissn1994-0424en_US
dc.contributor.authorFretwell, P.-
dc.contributor.authorPritchard, H. D.-
dc.contributor.authorVaughan, D. G.-
dc.contributor.authorBamber, J. L.-
dc.contributor.authorBarrand, N. E.-
dc.contributor.authorBell, R.-
dc.contributor.authorBianchi, C.-
dc.contributor.authorBingham, R. G.-
dc.contributor.authorBlankenship, D. D.-
dc.contributor.authorCasassa, G.-
dc.contributor.authorCatania, G.-
dc.contributor.authorCallens, D.-
dc.contributor.authorConway, H.-
dc.contributor.authorCook, A. J.-
dc.contributor.authorCorr, H. F. J.-
dc.contributor.authorDamaske, D.-
dc.contributor.authorDamm, V.-
dc.contributor.authorFerraccioli, F.-
dc.contributor.authorForsberg, R.-
dc.contributor.authorFujita, S.-
dc.contributor.authorGim, Y.-
dc.contributor.authorGogineni, P.-
dc.contributor.authorGriggs, J. A.-
dc.contributor.authorHindmarsh, R. C. A.-
dc.contributor.authorHolmlund, P.-
dc.contributor.authorHolt, J. W.-
dc.contributor.authorJacobel, R. W.-
dc.contributor.authorJenkins, A.-
dc.contributor.authorJokat, W.-
dc.contributor.authorJordan, T.-
dc.contributor.authorKing, E. C.-
dc.contributor.authorKohler, J.-
dc.contributor.authorKrabill, W.-
dc.contributor.authorRiger-Kusk, M.-
dc.contributor.authorLangley, K. A.-
dc.contributor.authorLeitchenkov, G.-
dc.contributor.authorLeuschen, C.-
dc.contributor.authorLuyendyk, B. P.-
dc.contributor.authorMatsuoka, K.-
dc.contributor.authorMouginot, J.-
dc.contributor.authorNitsche, F. O.-
dc.contributor.authorNogi, Y.-
dc.contributor.authorNost, O. A.-
dc.contributor.authorPopov, S. V.-
dc.contributor.authorRignot, E.-
dc.contributor.authorRippin, D. M.-
dc.contributor.authorRivera, A.-
dc.contributor.authorRoberts, J.-
dc.contributor.authorRoss, N.-
dc.contributor.authorSiegert, M. J.-
dc.contributor.authorSmith, A. M.-
dc.contributor.authorSteinhage, D.-
dc.contributor.authorStudinger, M.-
dc.contributor.authorSun, B.-
dc.contributor.authorTinto, B. K.-
dc.contributor.authorWelch, B. C.-
dc.contributor.authorWilson, D.-
dc.contributor.authorYoung, D. A.-
dc.contributor.authorXiangbin, C.-
dc.contributor.authorZirizzotti, A.-
dc.contributor.departmentBritish Antarctic Survey, Cambridge, UK-
dc.contributor.departmentBritish Antarctic Survey, Cambridge, UK-
dc.contributor.departmentBritish Antarctic Survey, Cambridge, UK-
dc.contributor.departmentSchool of Geographical Sciences, University of Bristol, UK-
dc.contributor.departmentBritish Antarctic Survey, Cambridge, UK-
dc.contributor.departmentLamont-Doherty Earth Observatory of Columbia University, Palisades, USA-
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia-
dc.contributor.departmentSchool of Geosciences, University of Aberdeen, UK-
dc.contributor.departmentInstitute for Geophysics, University of Texas at Austin, USA-
dc.contributor.departmentCentro de Estudios Cientificos, Santiago, Chile-
dc.contributor.departmentInstitute for Geophysics, University of Texas at Austin, USA-
dc.contributor.departmentLaboratoire de Glaciologie, Universit´e Libre de Bruxelles, Brussels, Belgium-
dc.contributor.departmentEarth and Space Sciences, University of Washington, Seattle, USA-
dc.contributor.departmentDepartment of Geography, Swansea University, Swansea, UK-
dc.contributor.departmentBritish Antarctic Survey, Cambridge, UK-
dc.contributor.departmentFederal Institute for Geosciences and Natural Resources, Hannover, Germany-
dc.contributor.departmentFederal Institute for Geosciences and Natural Resources, Hannover, Germany-
dc.contributor.departmentBritish Antarctic Survey, Cambridge, UK-
dc.contributor.departmentNational Space Institute, Technical University of Denmark, Denmark-
dc.contributor.departmentNational Institute of Polar Research, Tokyo, Japan-
dc.contributor.departmentJet Propulsion Laboratory. California Institute of Technology, Pasadena, USA-
dc.contributor.departmentElectrical Engineering & Computer Science, University of Kansas, Lawrence, USA-
dc.contributor.departmentSchool of Geographical Sciences, University of Bristol, UK-
dc.contributor.departmentBritish Antarctic Survey, Cambridge, UK-
dc.contributor.departmentStockholm University, Stockholm, Sweden-
dc.contributor.departmentInstitute for Geophysics, University of Texas at Austin, USA-
dc.contributor.departmentSt. Olaf College, Northfield, MN 55057, USA-
dc.contributor.departmentBritish Antarctic Survey, Cambridge, UK-
dc.contributor.departmentAlfred Wegener Institute, Bremerhaven, Germany-
dc.contributor.departmentBritish Antarctic Survey, Cambridge, UK-
dc.contributor.departmentBritish Antarctic Survey, Cambridge, UK-
dc.contributor.departmentNorwegian Polar Institute, Fram Centre, Tromsø, Norway-
dc.contributor.departmentNASA Wallops Flight Facility, Virginia, USA-
dc.contributor.departmentCollege of Science, University of Canterbury, Christchurch, New Zealand-
dc.contributor.departmentDepartment of Geosciences, University of Oslo, Norway-
dc.contributor.departmentInstitute for Geology and Mineral Resources of the World Ocean, St.-Petersburg, Russia-
dc.contributor.departmentElectrical Engineering & Computer Science, University of Kansas, Lawrence, USA-
dc.contributor.departmentEarth Research Institute, University of California in Santa Barbara, USA-
dc.contributor.departmentNorwegian Polar Institute, Tromso, Norway-
dc.contributor.departmentDepartment of Earth System Science, University of California, Irvine, USA-
dc.contributor.departmentLamont-Doherty Earth Observatory of Columbia University, Palisades, USA-
dc.contributor.departmentNational Institute of Polar Research, Tokyo, Japan-
dc.contributor.departmentNorwegian Polar Institute, Tromso, Norway-
dc.contributor.departmentPolar Marine Geosurvey Expedition, St.-Petersburg, Russia-
dc.contributor.departmentSchool of Physical Sciences, University of California, Irvine, USA-
dc.contributor.departmentEnvironment Department, University of York, Heslington, York, YO10 5DD, UK-
dc.contributor.departmentCentro de Estudios Cientificos, Santiago, Chile-
dc.contributor.departmentDepartment of Sustainability, Environment, Water, Population and Communities, Australian Antarctic Division, Hobart, Tasmania, Australia-
dc.contributor.departmentSchool of Geography, Politics and Sociology, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK-
dc.contributor.departmentSchool of Geographical Sciences, University of Bristol, UK-
dc.contributor.departmentBritish Antarctic Survey, Cambridge, UK-
dc.contributor.departmentAlfred Wegener Institute, Bremerhaven, Germany-
dc.contributor.departmentNASA Goddard Space Flight Center, Greenbelt, USA-
dc.contributor.departmentPolar Research Institute of China, Shanghai, China-
dc.contributor.departmentLamont-Doherty Earth Observatory of Columbia University, Palisades, USA-
dc.contributor.departmentAlfred Wegener Institute, Bremerhaven, Germany-
dc.contributor.departmentInstitute for Crustal Studies, University of California in Santa Barbara, USA-
dc.contributor.departmentInstitute for Geophysics, University of Texas at Austin, USA-
dc.contributor.departmentPolar Research Institute of China, Shanghai, China-
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia-
item.grantfulltextopen-
item.fulltextWith Fulltext-
crisitem.author.deptCentro de Estudios Cientificos, Santiago, Chile-
crisitem.author.deptDepartment of Sustainability, Environment, Water, Population and Communities, Australian Antarctic Division, Hobart, Tasmania, Australia and Antarctic Climate and Ecosystems Cooperative Research Centre, Private Bag 80, Hobart, Tasmania 7001, Australia-
crisitem.author.deptSchool of Geography, Politics and Sociology, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK-
crisitem.author.deptNorwegian Polar Institute, Tromso, Norway-
crisitem.author.deptBritish Antarctic Survey, Cambridge, UK-
crisitem.author.deptEnvironment Department, University of York, Heslington, York, YO10 5DD, UK-
crisitem.author.deptAlfred Wegener Institute, Bremerhaven, Germany-
crisitem.author.deptStockholm University, Stockholm, Sweden-
crisitem.author.deptBritish Antarctic Survey, Cambridge, UK-
crisitem.author.deptElectrical Engineering & Computer Science, University of Kansas, Lawrence, USA-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.deptNorwegian Polar Institute, Fram Centre, Tromsø, Norway-
crisitem.author.deptPolar Research Institute of China, Shanghai, China-
crisitem.author.deptInstitute for Geophysics, University of Texas at Austin, USA-
crisitem.author.deptSchool of Physical Sciences, University of California, Irvine, USA-
crisitem.author.deptAlfred Wegener Institute, Bremerhaven, Germany-
crisitem.author.deptDepartment of Earth System Science, University of California, Irvine, USA-
crisitem.author.deptNational Institute of Polar Research, Tokyo, Japan-
crisitem.author.deptBritish Antarctic Survey, Cambridge, UK-
crisitem.author.deptBritish Antarctic Survey, Cambridge, UK-
crisitem.author.deptDISTER, Università di Genova, Italy-
crisitem.author.deptNASA Wallops Flight Facility, Virginia, USA-
crisitem.author.deptInstitute for Geophysics, University of Texas at Austin, USA-
crisitem.author.deptInstitute for Crustal Studies, University of California in Santa Barbara, USA-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia-
crisitem.author.deptPolar Marine Geosurvey Expedition, St.-Petersburg, Russia-
crisitem.author.deptBritish Antarctic Survey, Cambridge, UK-
crisitem.author.deptNational Space Institute, Technical University of Denmark, Denmark-
crisitem.author.deptSt. Olaf College, Northfield, MN 55057, USA-
crisitem.author.deptLamont-Doherty Earth Observatory of Columbia University, Palisades, USA-
crisitem.author.deptLamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, U.S.A.-
crisitem.author.deptDepartment of Geosciences, University of Oslo, Norway-
crisitem.author.deptAlfred Wegener Institute, Bremerhaven, Germany-
crisitem.author.deptUniv Southern California-
crisitem.author.deptPolar Research Institute of China, Shanghai, China-
crisitem.author.deptEarth and Space Sciences, University of Washington, Seattle, USA-
crisitem.author.deptLaboratoire de Glaciologie, Universit´e Libre de Bruxelles, Brussels, Belgium-
crisitem.author.deptJet Propulsion Laboratory. California Institute of Technology, Pasadena, USA-
crisitem.author.deptNorwegian Polar Institute, Tromso, Norway-
crisitem.author.deptBGR, Hannover, Germany-
crisitem.author.deptVNIIOkeanologia, St. Petersburg, Russia-
crisitem.author.deptSchool of Geographical Sciences, University of Bristol, UK-
crisitem.author.deptBritish Antarctic Survey, Cambridge, UK-
crisitem.author.deptSchool of Geographical Sciences, University of Bristol, UK-
crisitem.author.deptInstitute for Geophysics, University of Texas at Austin, USA-
crisitem.author.deptLamont-Doherty Earth Observatory of Columbia University, Palisades, USA-
crisitem.author.deptBritish Antarctic Survey, Cambridge, UK-
crisitem.author.deptInstitute for Geophysics, University of Texas at Austin, USA-
crisitem.author.deptFederal Institute for Geosciences and Natural Resources, Hannover, Germany-
crisitem.author.deptInstitute of Crustal Studies, University of California, Santa Barbara, California, USA-
crisitem.author.deptBritish Antarctic Survey, Cambridge, UK-
crisitem.author.deptNASA Goddard Space Flight Center, Greenbelt, USA-
crisitem.author.deptNational Institute of Polar Research, Tokyo, Japan-
crisitem.author.deptElectrical Engineering & Computer Science, University of Kansas, Lawrence, USA-
crisitem.author.deptCollege of Science, University of Canterbury, Christchurch, New Zealand-
crisitem.author.deptSchool of Geographical Sciences, University of Bristol, UK-
crisitem.author.deptCentro de Estudios Cientificos, Santiago, Chile-
crisitem.author.deptDepartment of Geography, Swansea University, Swansea, UK-
crisitem.author.deptBritish Antarctic Survey, Cambridge, UK-
crisitem.author.deptSchool of Geosciences, University of Aberdeen, UK-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent01. Atmosphere-
crisitem.classification.parent02. Cryosphere-
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