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Bedmap2: improved ice bed, surface and thickness datasets for Antarctica
We 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 theseExpand
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Large subglacial lakes in East Antarctica at the onset of fast-flowing ice streams
Water plays a crucial role in ice-sheet stability and the onset of ice streams. Subglacial lake water moves between lakes and rapidly drains, causing catastrophic floods. The exact mechanisms byExpand
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Active volcanism beneath the West Antarctic ice sheet and implications for ice-sheet stability
IT is widely understood that the collapse of the West Antarctic ice sheet (WAIS) would cause a global sea level rise of 6 m, yet there continues to be considerable debate about the detailed responseExpand
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Influence of subglacial geology on the onset of a West Antarctic ice stream from aerogeophysical observations
Marine ice-sheet collapse can contribute to rapid sea-level rise. Today, the West Antarctic Ice Sheet contains an amount of ice equivalent to approximately six metres of sea-level rise, but most ofExpand
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East Antarctic rifting triggers uplift of the Gamburtsev Mountains
The Gamburtsev Subglacial Mountains are the least understood tectonic feature on Earth, because they are completely hidden beneath the East Antarctic Ice Sheet. Their high elevation and youthfulExpand
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CASERTZ aeromagnetic data reveal late Cenozoic flood basalts(?) in the West Antarctic rift system
The late Cenozoic volcanic and tectonic activity of the enigmatic West Antarctic rift system, the least understood of the great active continental rifts, has been suggested to be plume driven. InExpand
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The role of subglacial water in ice-sheet mass balance
Subglacial water can significantly affect the velocity of ice streams and outlet glaciers of ice sheets. Depending on the geometry and capacity of the subglacial hydrologic system, increased surfaceExpand
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Geophysical models for the tectonic framework of the Lake Vostok region, East Antarctica
Abstract Aerogeophysical and seismological data from a geophysical survey in the interior of East Antarctica were used to develop a conceptual tectonic model for the Lake Vostok region. The model isExpand
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Origin and fate of Lake Vostok water frozen to the base of the East Antarctic ice sheet
The subglacial Lake Vostok may be a unique reservoir of genetic material and it may contain organisms with distinct adaptations, but it has yet to be explored directly. The lake and the overlying iceExpand
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Subglacial sediments: A regional geological template for ice flow in West Antarctica
We use aerogeophysical data to estimate the distribution of marine subglacial sediments and fault-bounded sedimentary basins beneath the West Antarctic Ice Sheet (WAIS). We find that significant iceExpand
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