Antarctic ice sheet
Uncertainty quantification of the multi-centennial response of the Antarctic ice sheet to climate change
... Shepherd, A., Ivins, E., Rignot, E., Smith, B., van den Broeke, M., Velicogna, I., Whitehouse, P., Briggs, K., Joughin, I., Krinner, G., Nowicki, S., Payne, T., Scambos, T., Schlegel, N. A. G., Agosta, C., Ahlstrøm, A., ...
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Simultaneous solution for mass trends on the West Antarctic Ice Sheet
... and ice loss simulta- neously (Riva et ...to ice dynamics (henceforward simply re- ferred to as ice ...for ice dynamics, SMB, GIA, and firn compaction are obtained independently through ...
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Dynamic Antarctic ice sheet during the early to mid-Miocene.
... grounded ice in the Ross Sea during the middle Miocene is only satisfied by Scenario B, which suggests that the Ross Sea continental shelf may have been shallower during the ...the ice sheet margin ...
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Modelling the evolution of the Antarctic ice sheet since the last interglacial
... namic ice models ...dynamic ice models gener- ally make use of Glen’s isotropic flow law (Glen, 1958), while ice is a highly anisotropic ...grounded ice (which can be described by the shallow ...
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The GRISLI ice sheet model (version 2.0): calibration and validation for multi-millennial changes of the Antarctic ice sheet
... observed ice thickness shows some system- atic biases (e.g. the East Antarctic ice sheet is too thick in the vicinity of the Transantarctic Mountains and too thin elsewhere) that are similar ...
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The Antarctic Ice Sheet response to glacial millennial-scale variability
... The Antarctic Ice Sheet (AIS) is the largest ice sheet on Earth and hence a major potential contributor to fu- ture global sea-level ...West Antarctic Ice Sheet, ...
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Formulation, calibration and validation of the DAIS model (version 1), a simple Antarctic ice sheet model sensitive to variations of sea level and ocean subsurface temperature
... of ice flow to sea level rise (as characterized by the parameter γ ) and to ocean subsurface temperature (as characterized by the parameter α) lead to model hindcasts that satisfy all three reconstruc- tion ...of ...
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Modelling the Antarctic Ice Sheet across the mid-Pleistocene transition – implications for Oldest Ice
... Simulated ice volume changes before the MPT are charac- terised by a strong obliquity ( ≈ 41 kyr) cycle resembling the climate index forcing which is formed by the integrated plan- etary response to orbital ...an ...
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How much snow falls on the Antarctic ice sheet?
... the Antarctic continent (latitude < 82 ◦ S) is 14 % when the samples precipitation possible are not taken into account, and 26 % with the samples precipitation pos- sible ...West Antarctic ice ...
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Origin and dynamic significance of longitudinal structures (“flow stripes”) in the Antarctic Ice Sheet
... basic ice-flow configuration (in terms of geometry and particle-path ori- entation and therefore the location of comparatively large- scale ice streams) in Antarctica has remained unchanged over these ...
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Antarctic ice sheet and oceanographic response to eccentricity forcing during the early Miocene
... and ice volume and found that the Antarctic ice sheet ex- panded episodically during the declining phase of the long- term ( ∼ 400 kyr) eccentricity cycle and subsequent low short- term ( ∼ ...
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Century-scale simulations of the response of the West Antarctic Ice Sheet to a warming climate
... mesh ice sheet model to carry out one, two, and three century simulations of the fast-flowing ice streams of the West Antarctic Ice Sheet, deploying sub-kilometer resolution ...
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Modelling the northern hemisphere and Antarctic ice sheet changes through the last glacial cycle
... As part of the global approach to the niodelling of the last glacial cycle, the Antarctic Ice Sheet model was driven by the same sea level forcing as was applied to the northern hemisphe[r] ...
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Recent ice dynamic and surface mass balance of Union Glacier in the West Antarctic Ice Sheet
... West Antarctic Ice Sheet (WAIS), a major outlet glacier within the Ellsworth ...Ronne Ice Shelf, where recent mod- els have indicated the potential for significant grounding line zone (GLZ) ...
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Antarctic ice sheet thickness estimation using the horizontal-to-vertical spectral ratio method with single-station seismic ambient noise
... the Antarctic ice sheet ...the ice sheet ...the ice thickness but, should be used with care since the shear-wave velocity varies at dif- ferent ...reliable ice thickness ...
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The Potsdam Parallel Ice Sheet Model (PISM-PIK) – Part 2: Dynamic equilibrium simulation of the Antarctic ice sheet
... the Antarctic ice sheet-shelf system, in- cluding observed features such as the fast flow of ice streams and the position of ice ...the ice-covered area supports the PISM-PIK ...
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Interhemispheric coupling, the West Antarctic Ice Sheet and warm Antarctic interglacials
... in each of the last four interglacials. During the previous three interglacials, this anomalous warming was short lived ( ∼ 3000 years) and apparently occurred before the comple- tion of Northern Hemisphere deglaciation. ...
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Solid Earth change and the evolution of the Antarctic Ice Sheet
... the Antarctic Ice Sheet is driven by a combination of climate forcing and non-climatic ...the Antarctic Ice Sheet and the solid Earth, and the role of these feed- backs in ...
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High Climate Model Dependency of Pliocene Antarctic Ice-Sheet Predictions
... final ice volume predicted in long palaeo-integrations increasing the range in volume predictions 16 ...of ice-shelf hydrofracturing and ice-cliff collapse of marine-terminating ice margins, ...
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A continuum model (PSUMEL1) of ice mélange and its role during retreat of the Antarctic Ice Sheet
... solid ice faces is computed in the ...marine ice cliffs with no ice shelf (tidewa- ter termini) or at the outer edge of floating ice ...or ice, basal drag if the mélange grounds on ...
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