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Ice sheet modelling

The palaeoglaciology of the central sector of the British and Irish Ice Sheet: reconciling glacial geomorphology and preliminary ice sheet modelling

The palaeoglaciology of the central sector of the British and Irish Ice Sheet: reconciling glacial geomorphology and preliminary ice sheet modelling

... numerical ice sheet modelling we identified a number of significant factors that complement our geomorphologically-based assessments of palaeo- ice dynamics: Modelled ice sheet ...

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Melting and freezing under Antarctic ice shelves from a combination of ice-sheet modelling and observations

Melting and freezing under Antarctic ice shelves from a combination of ice-sheet modelling and observations

... melt, ice/ocean interactions, ice-sheet modelling, ice shelves ...INTRODUCTION Ice shelves are floating ice masses connected to and nour- ished by land-based ...grounded ...

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Pliocene Ice Sheet Modelling Intercomparison Project (PLISMIP) – experimental design

Pliocene Ice Sheet Modelling Intercomparison Project (PLISMIP) – experimental design

... Earth’s ice sheets and their contribution to sea level in a warmer-than-modern ...and ice sheet models can be used to enhance our under- standing of ice sheet stability; however, ...

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Data assimilation and prognostic whole ice sheet modelling with the variationally derived, higher order, open source, and fully parallel ice sheet model VarGlaS

Data assimilation and prognostic whole ice sheet modelling with the variationally derived, higher order, open source, and fully parallel ice sheet model VarGlaS

... element ice sheet model called VarGlaS (Variational Glacier Simula- tor), which is built on the finite element framework ...in ice sheet modelling, Var- GlaS formulates ice ...

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Drivers of abrupt Holocene shifts in West Antarctic ice stream direction determined from combined ice sheet modelling and geologic signatures

Drivers of abrupt Holocene shifts in West Antarctic ice stream direction determined from combined ice sheet modelling and geologic signatures

... Antarctic Ice Sheet (WAIS) is critical to improve predictions of the future contribution of Antarctica to sea level ...resolution ice sheet modelling was combined with new terrestrial ...

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Neutral equilibrium and forcing feedbacks in marine  ice sheet modelling

Neutral equilibrium and forcing feedbacks in marine ice sheet modelling

... In the current study we apply a Stokes-flow finite-element marine ice sheet model to idealised grounding line evolu- tion experiments. We show that with insufficiently fine model resolution, a region ...

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Melting and freezing under Antarctic ice shelves from a combination of ice-
sheet modelling and observations

Melting and freezing under Antarctic ice shelves from a combination of ice- sheet modelling and observations

... lower ice-sheet surface mass balance in the ERA-Interim dataset relative to RACMO ( ...an ice thickness underestimation, particularly in East Antarctica ( ...absolute ice thickness error of ...

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Data assimilation for moving mesh methods with an application to ice sheet modelling

Data assimilation for moving mesh methods with an application to ice sheet modelling

... surface ice velocities, that the techniques predict the evolution of the ice sheet margin and the ice thickness accu- rately and ...the ice sheet ...

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An ETKF approach for initial state and parameter estimation in ice sheet modelling

An ETKF approach for initial state and parameter estimation in ice sheet modelling

... Rommelaere, V. and MacAyeal, D. R.: Large-scale rheology of the Ross Ice Shelf, Antarctica, computed by a control method, Ann. Glaciol., 24, 43–48, 1997. Shepherd, A., Ivins, E. R., Geruo, A., Barletta, V. R., ...

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Modelling the Antarctic Ice Sheet across the mid-Pleistocene transition – implications for Oldest Ice

Modelling the Antarctic Ice Sheet across the mid-Pleistocene transition – implications for Oldest Ice

... uous ice core, which spans the middle Pleistocene climate transition ...Antarctic ice core by means of 3-D continental ice-sheet ...of ice-sheet simulations spanning the last 2 ...

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Modelling the Hydrology of the Greenland Ice Sheet

Modelling the Hydrology of the Greenland Ice Sheet

... time-dependent ice sheet hydrology model:  Develop and apply a surface mass balance (SMB) model to the Paakitsoq ...and ice distribution with that derived from Landsat-7 ETM+ satellite imagery using ...

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Present State and Prospects of Ice Sheet and Glacier Modelling

Present State and Prospects of Ice Sheet and Glacier Modelling

... Antarctic ice sheet are grounded well below sea level and laterally bounded by large floating ice ...large ice shelves or even parts or the presently grounded West Antarctic ice ...

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Modelling the evolution of the Antarctic ice sheet since the last interglacial

Modelling the evolution of the Antarctic ice sheet since the last interglacial

... for Ice Coring in Antarctica (EPICA) Dome C ice-core proxy record for ...present-day ice sheet can be simulated; the simulation with this set of parameter values is defined as the reference ...

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Modelling Greenland Ice Sheet inception and sustainability during the Late Pliocene

Modelling Greenland Ice Sheet inception and sustainability during the Late Pliocene

... of ice sheet growth during past warm periods is a very important topic considering the potential total removal of the Greenland ice sheet in the ...partial ice sheet over the ...

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Modelling ice sheet evolution and atmospheric CO2 during the Late Pliocene

Modelling ice sheet evolution and atmospheric CO2 during the Late Pliocene

... between ice sheets and climate in a warmer-than-present world, recent re- search has focussed on the Late Pliocene, ...growing ice sheets are still ...hybrid ice-sheet–climate model, showing a ...

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Modelling Greenland Ice Sheet inception and sustainability during the Late Pliocene

Modelling Greenland Ice Sheet inception and sustainability during the Late Pliocene

... of ice sheet growth during past warm periods is a very important topic considering the potential total removal of the Greenland ice sheet in the ...partial ice sheet over the ...

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An ice sheet model validation framework for the Greenland ice sheet

An ice sheet model validation framework for the Greenland ice sheet

... new ice sheet model validation framework – the Cryospheric Model Comparison Tool (CmCt) – that aims to fill this ...Greenland ice sheet obtained between 2003 and 2013 from the Ice, ...

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Current state and future perspectives on coupled ice-sheet – sea-level modelling.

Current state and future perspectives on coupled ice-sheet – sea-level modelling.

... between ice-sheet growth and retreat and sea-level change has been an established field of research for many ...numerical modelling have shed new light on the precise interaction of marine ice ...

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Modelling large-scale ice-sheet–climate interactions following glacial inception

Modelling large-scale ice-sheet–climate interactions following glacial inception

... produces ice caps on the Canadian Arctic islands, on the north-west coast of the Hudson Bay, and in southern ...the ice-sheets reach the coast they be- gin to discharge ice into the sea, at a rate ...

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Temperature thresholds for degree day modelling of Greenland ice sheet melt rates

Temperature thresholds for degree day modelling of Greenland ice sheet melt rates

... are coupled via the degree day factor for ice/snow DDF i,s , which is assumed constant in time. Usually, Dt is chosen as one day, so that DDF i,s is expressed in kg m −2 day −1 K −1 . The values of DDF i and DDF s ...

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