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13 research outcomes, page 1 of 2
  • publication . Article . Other literature type . 2021
    Open Access English
    Authors:
    Ole Zeising; Angelika Humbert;
    Persistent Identifiers
    Country: Germany
    Project: EC | ERA-PLANET (689443)

    The accelerated ice flow of ice streams that reach far into the interior of the ice sheets is associated with lubrication of the ice sheet base by basal meltwater. However, the amount of basal melting under the large ice streams – such as the Northeast Greenland Ice Str...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Coen Hofstede; Sebastian Beyer; Hugh F. J. Corr; Olaf Eisen; Tore Hattermann; Veit Helm; Niklas Neckel; Emma Smith; Daniel Steinhage; Ole Zeising; ...
    Persistent Identifiers
    Publisher: European Geosciences Union
    Countries: United Kingdom, Germany
    Project: EC | ERA-PLANET (689443)

    Curvilinear channels on the surface of an ice shelf indicate the presence of large channels at the base. Modelling studies have shown that where these surface expressions intersect the grounding line, they coincide with the likely outflow of subglacial water. An underst...

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  • publication . Other literature type . Article . Preprint . 2020
    Open Access
    Authors:
    Christine S. Hvidberg; Aslak Grinsted; Dorthe Dahl-Jensen; Shfaqat Abbas Khan; Anders Kusk; Jonas Kvist Andersen; Niklas Neckel; Anne M. Solgaard; Nanna B. Karlsson; Helle Astrid Kjær; ...
    Publisher: Copernicus
    Countries: Germany, Denmark, Denmark
    Project: NSF | The Polar Geospatial Info... (1043681), EC | ERA-PLANET (689443), NSF | Automated, High Resolutio... (1542736)

    The Northeast Greenland Ice Stream (NEGIS) extends around 600 km upstream from the coast to its onset near the ice divide in interior Greenland. Several maps of surface velocity and topography in the interior Greenland exist, but the accuracy is not well constrai...

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  • publication . Article . Other literature type . 2020
    Open Access
    Authors:
    Martin Rückamp; Heiko Goelzer; Angelika Humbert;
    Persistent Identifiers
    Countries: Germany, Belgium
    Project: NWO | Perturbations of System E... (2300181601), EC | ERA-PLANET (689443)

    Projections of the contribution of the Greenland ice sheet to future sea-level rise include uncertainties primarily due to the imposed climate forcing and the initial state of the ice sheet model. Several state-of-the-art ice flow models are currently being employed on ...

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  • publication . Article . Other literature type . 2020
    Open Access
    Authors:
    H. Seroussi; S. Nowicki; A. J. Payne; H. Goelzer; H. Goelzer; W. H. Lipscomb; A. Abe-Ouchi; C. Agosta; T. Albrecht; X. Asay-Davis; ...
    Persistent Identifiers
    Publisher: Copernicus Publications (EGU)
    Countries: France, Belgium, France, Netherlands, United Kingdom, Belgium, Germany, United Kingdom
    Project: AKA | The impact of Antarctic I... (322430), ARC | Special Research Initiati... (SR140300001), AKA | Simulating Antarctic mari... (286587), ANR | TROIS-AS (ANR-15-CE01-0005), EC | TiPACCs (820575), NSF | NSF-NERC: PROcesses, driv... (1739031), NSF | The Management and Operat... (1852977), EC | ERA-PLANET (689443), NWO | Perturbations of System E... (2300181601)

    Abstract. Ice flow models of the Antarctic ice sheet are commonly used to simulate its future evolution inresponse to different climate scenarios and assess the mass loss that would contribute tofuture sea level rise. However, there is currently no consensus on estimate...

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  • publication . Preprint . Article . Other literature type . 2020
    Open Access English
    Authors:
    H. Goelzer; H. Goelzer; H. Goelzer; S. Nowicki; A. Payne; E. Larour; H. Seroussi; W. H. Lipscomb; J. Gregory; J. Gregory; ...
    Countries: Belgium, United Kingdom, United Kingdom, United Kingdom, United Kingdom, France, United Kingdom, France, Germany, Netherlands
    Project: NSF | Collaborative Research: I... (1504230), NWO | Perturbations of System E... (2300181601), NSF | The Management and Operat... (1852977), EC | ERA-PLANET (689443)

    Abstract. The Greenland ice sheet is one of the largest contributors to global meansea-level rise today and is expected to continue to lose mass as the Arcticcontinues to warm. The two predominant mass loss mechanisms are increasedsurface meltwater run-off and mass loss...

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  • publication . Other literature type . Article . 2020
    Open Access
    Authors:
    S. L. Cornford; H. Seroussi; X. S. Asay-Davis; G. H. Gudmundsson; R. Arthern; C. Borstad; J. Christmann; T. Dias dos Santos; T. Dias dos Santos; J. Feldmann; ...
    Publisher: Copernicus GmbH
    Countries: France, United Kingdom, Germany, United Kingdom, United Kingdom, United Kingdom
    Project: NSF | The Management and Operat... (1852977), EC | ERA-PLANET (689443)

    Abstract. We present the result of the third Marine Ice Sheet Model Intercomparison Project, MISMIP+. MISMIP+ is intended to be a benchmark for ice-flow models which include fast sliding marine ice streams and floating ice shelves and in particular a treatment of viscou...

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  • publication . Article . Other literature type . 2020
    Open Access English
    Authors:
    Kern, Michael; Cullen, Robert; Berruti, Bruno; Bouffard, Jerome; Casal, Tania; Drinkwater, Mark R.; Gabriele, Antonio; Lecuyot, Arnaud; Ludwig, Michael; Midthassel, Rolv; ...
    Persistent Identifiers
    Publisher: HAL CCSD
    Countries: Denmark, France, Netherlands, France
    Project: EC | ERA-PLANET (689443)

    The Copernicus Polar Ice and Snow Topography Altimeter (CRISTAL) mission is one of six high-priority candidate missions (HPCMs) under consideration by the European Commission to enlarge the Copernicus Space Component. Together, the high-priority candidate missions fill ...

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  • publication . Article . Other literature type . 2020
    Open Access English
    Authors:
    Colleen Mortimer; Lawrence Mudryk; Chris Derksen; Kari Luojus; Ross Brown; Richard Kelly; Marco Tedesco;
    Persistent Identifiers
    Project: EC | ERA-PLANET (689443)

    Nine gridded Northern Hemisphere snow water equivalent (SWE) products were evaluated as part of the European Space Agency (ESA) Satellite Snow Product Intercomparison and Evaluation Exercise (SnowPEx). Three categories of datasets were assessed: (1) those utilizing some...

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  • other research product . 2018
    Open Access English
    Authors:
    Räisänen, Petri; Makkonen, Risto; Kirkevåg, Alf; Debernard, Jens B.;
    Project: EC | PEGASOS (265148), EC | ACCESS (265863), AKA | Novel Assessment of Black... (296302)

    Snow consists of non-spherical grains of various shapes and sizes. Still, in radiative transfer calculations, snow grains are often treated as spherical. This also applies to the computation of snow albedo in the Snow, Ice, and Aerosol Radiation (SNICAR) model and in th...

13 research outcomes, page 1 of 2