Massive subsurface ice formed by refreezing of ice-shelf melt ponds

B Hubbard, A Luckman, DW Ashmore, S Bevan… - Nature …, 2016 - nature.com
Surface melt ponds form intermittently on several Antarctic ice shelves. Although implicated
in ice-shelf break up, the consequences of such ponding for ice formation and ice-shelf …

Centuries of intense surface melt on Larsen C Ice Shelf

SL Bevan, A Luckman, B Hubbard, B Kulessa… - The …, 2017 - tc.copernicus.org
Following a southward progression of ice-shelf disintegration along the Antarctic Peninsula
(AP), Larsen C Ice Shelf (LCIS) has become the focus of ongoing investigation regarding its …

Variable temperature thresholds of melt pond formation on Antarctic ice shelves

JM van Wessem, MR van den Broeke… - Nature Climate …, 2023 - nature.com
It has been argued that the− 5° C annual mean 2 m air temperature isotherm defines a limit
of ice shelf viability on the Antarctic Peninsula as melt ponding increases at higher …

The link between climate warming and break-up of ice shelves in the Antarctic Peninsula

TA Scambos, C Hulbe, M Fahnestock… - Journal of …, 2000 - cambridge.org
A review of in situ and remote-sensing data covering the ice shelves of the Antarctic
Peninsula provides a series of characteristics closely associated with rapid shelf retreat …

Basal crevasses on the Larsen C Ice Shelf, Antarctica: Implications for meltwater ponding and hydrofracture

D McGrath, K Steffen, H Rajaram… - Geophysical …, 2012 - Wiley Online Library
A key mechanism for the rapid collapse of both the Larsen A and B Ice Shelves was
meltwater‐driven crevasse propagation. Basal crevasses, large‐scale structural features …

Antarctic surface hydrology and impacts on ice-sheet mass balance

RE Bell, AF Banwell, LD Trusel, J Kingslake - Nature Climate Change, 2018 - nature.com
Melting is pervasive along the ice surrounding Antarctica. On the surface of the grounded ice
sheet and floating ice shelves, extensive networks of lakes, streams and rivers both store …

Widespread movement of meltwater onto and across Antarctic ice shelves

J Kingslake, JC Ely, I Das, RE Bell - Nature, 2017 - nature.com
Surface meltwater drains across ice sheets, forming melt ponds that can trigger ice-shelf
collapse,, acceleration of grounded ice flow and increased sea-level rise,,. Numerical …

Evidence for abundant subglacial meltwater beneath the paleo-ice sheet in Pine Island Bay, Antarctica

AL Lowe, JB Anderson - Journal of Glaciology, 2003 - cambridge.org
Marine-geological and-geophysical data collected from the continental shelf in Pine Island
Bay, Antarctica, reveal a complex paleo-subglacial drainage system controlled by bedrock …

Surface melt and ponding on Larsen C Ice Shelf and the impact of föhn winds

A Luckman, A Elvidge, D Jansen, B Kulessa… - Antarctic …, 2014 - cambridge.org
A common precursor to ice shelf disintegration, most notably that of Larsen B Ice Shelf, is
unusually intense or prolonged surface melt and the presence of surface standing water …

Complex network of channels beneath an Antarctic ice shelf

K Langley, A von Deschwanden… - Geophysical …, 2014 - Wiley Online Library
Ice shelves play an important role in stabilizing the interior grounded ice of the large ice
sheets. The thinning of major ice shelves observed in recent years, possibly in connection to …