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East Antarctic Ice Sheet

Cascading water underneath Wilkes Land, East Antarctic ice sheet, observed using altimetry and digital elevation models

Cascading water underneath Wilkes Land, East Antarctic ice sheet, observed using altimetry and digital elevation models

... the East Antarctic ice sheet where DEMs de- rived from stereo imagery have been of little use up to now and thus have often been replaced by photoclinometry ...whole ice sheet ...

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Age stratigraphy in the East Antarctic Ice Sheet inferred from radio-echo sounding horizons

Age stratigraphy in the East Antarctic Ice Sheet inferred from radio-echo sounding horizons

... The East Antarctic Ice Sheet contains a wealth of information that can be extracted from its internal architecture such as distribution of age, past flow features, and surface and basal ...

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Crustal heat production and estimate of terrestrial heat flow in central East Antarctica, with implications for thermal input to the East Antarctic ice sheet

Crustal heat production and estimate of terrestrial heat flow in central East Antarctica, with implications for thermal input to the East Antarctic ice sheet

... for ice sheet ...the East Antarctic ice sheet is heterogeneous in age and compo- sition, this proportional distribution of heat flow values may better reflect the complexities of ...

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Evolution of the East Antarctic ice sheet :  a record from the seismic stratigraphy of the C-19 site, Ross Sea, Antarctica

Evolution of the East Antarctic ice sheet : a record from the seismic stratigraphy of the C-19 site, Ross Sea, Antarctica

... grounded ice sheet, is that the low to medium amplitude reflections were deposited as condensed sections, or maximum flooding surfaces, when the ice sheet retreated far from the study site and ...

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Impacts of marine instability across the East Antarctic Ice Sheet on Southern Ocean dynamics

Impacts of marine instability across the East Antarctic Ice Sheet on Southern Ocean dynamics

... Fogwill et al. (2015). An enhanced meltwater flux into the Southern Ocean stratifies the surface waters, reducing ver- tical mixing and hence reducing the exchange of cold sur- face waters with the underlying warmer ...

12

Antarctic bedrock topography uncertainty and ice sheet stability

Antarctic bedrock topography uncertainty and ice sheet stability

... for ice sheet ...on ice sheet models [Sun et ...direct ice thickness measurements are unavailable, bedrock elevation uncertainty can greatly exceed this [Fretwell et ...in East ...

6

How much snow falls on the Antarctic ice sheet?

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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The GRISLI ice sheet model (version 2.0): calibration and validation for multi-millennial changes of the Antarctic ice sheet

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 ...

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Where to find 1.5 million yr old ice for the IPICS “Oldest-Ice” ice core

Where to find 1.5 million yr old ice for the IPICS “Oldest-Ice” ice core

... the East Antarctic ice ...previous ice cores, where large ice thickness was preferred to obtain higher resolution ice core records from previous glacial cycles, our results show ...

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The Potsdam Parallel Ice Sheet Model (PISM-PIK) – Part 2: Dynamic equilibrium simulation of the Antarctic ice sheet

The Potsdam Parallel Ice Sheet Model (PISM-PIK) – Part 2: Dynamic equilibrium simulation of the Antarctic ice sheet

... of ice thickness to ...in ice thickness of not more than a couple of hundred meters (positive or neg- ative, ...Ross Ice Shelf, the Pine Island Glacier and the Filchner Ice Shelf, and the ...

14

The Southern Hemisphere glacial record   Antarctica and New Zealand

The Southern Hemisphere glacial record Antarctica and New Zealand

... The Antarctic chronology given is that of a stable East Antarctic Ice Sheet hypothesis, while an alternative postulates a Pliocene collapse of the ice ...the Antarctic ...

8

Dynamic Antarctic ice sheet during the early to mid-Miocene.

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 ...

7

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

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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Future Antarctic bed topography and its implications for ice sheet dynamics

Future Antarctic bed topography and its implications for ice sheet dynamics

... The Antarctic bedrock is evolving as the solid Earth responds to the past and ongoing evolution of the ice ...improved ice loading history suggests that the Antarctic Ice Sheet ...

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Antarctic ice sheet thickness estimation using the horizontal-to-vertical spectral ratio method with single-station seismic ambient noise

Antarctic ice sheet thickness estimation using the horizontal-to-vertical spectral ratio method with single-station seismic ambient noise

... the ice sheet ...the ice–bedrock interface and the seismic properties of ice ...modeled ice sheet thickness beneath several stations in East Antarctica using ...polar ...

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Mass balance of the Antarctic Ice Sheet from 1992 to 2017

Mass balance of the Antarctic Ice Sheet from 1992 to 2017

... of ice sheet mass ...the East Antarctic (EAIS), West Antarctic (WAIS), Antarctic Peninsula (APIS) and Antarctic (AIS) ice ...

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Antarctic ice-sheet response to atmospheric CO

Antarctic ice-sheet response to atmospheric CO

... The ice-sheet model is symmetric around the South Pole. Within the ice sheet, flow velocities and temperatures are computed with a vertical resolution of 12 ...and ice thickness of ...

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High Climate Model Dependency of Pliocene Antarctic Ice-Sheet Predictions

High Climate Model Dependency of Pliocene Antarctic Ice-Sheet Predictions

... force ice-sheet simula- tions of the ...brium ice-sheets following the initial PLISMIP experimental set- up 27 (see ...retain ice over the West Antarctic Islands, while others lose this ...

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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

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

... West Antarctic Ice Sheet (WAIS) ...of ice flow on grounding thickness facili- tates marine ice sheet instability, such as would likely be ac- tive in a WAIS collapse, but would ...

16

Widespread Antarctic glaciation during the Late Eocene

Widespread Antarctic glaciation during the Late Eocene

... of ice sheet expansion and re- ferred to as the PrOM event (Priabonian oxygen isotope maxi- ...therefore ice was present in East Antarctic drainage basins at that ...

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