Modelling water flow under glaciers and ice sheets

GE Flowers - Proceedings of the Royal Society A …, 2015‏ - royalsocietypublishing.org
Recent observations of dynamic water systems beneath the Greenland and Antarctic ice
sheets have sparked renewed interest in modelling subglacial drainage. The foundations of …

Greenland ice sheet hydrology: A review

VW Chu - Progress in Physical Geography, 2014‏ - journals.sagepub.com
Understanding Greenland ice sheet (GrIS) hydrology is essential for evaluating response of
ice dynamics to a warming climate and future contributions to global sea level rise. Recently …

Extensive inland thinning and speed-up of Northeast Greenland Ice Stream

SA Khan, Y Choi, M Morlighem, E Rignot, V Helm… - Nature, 2022‏ - nature.com
Over the past two decades, ice loss from the Greenland ice sheet (GrIS) has increased
owing to enhanced surface melting and ice discharge to the ocean,,,–. Whether continuing …

Accelerating changes in ice mass within Greenland, and the ice sheet's sensitivity to atmospheric forcing

M Bevis, C Harig, SA Khan, A Brown, FJ Simons… - Proceedings of the …, 2019‏ - pnas.org
From early 2003 to mid-2013, the total mass of ice in Greenland declined at a progressively
increasing rate. In mid-2013, an abrupt reversal occurred, and very little net ice loss …

Direct observations of evolving subglacial drainage beneath the Greenland Ice Sheet

LC Andrews, GA Catania, MJ Hoffman, JD Gulley… - Nature, 2014‏ - nature.com
Seasonal acceleration of the Greenland Ice Sheet is influenced by the dynamic response of
the subglacial hydrologic system to variability in meltwater delivery to the bed, via crevasses …

Modeling channelized and distributed subglacial drainage in two dimensions

MA Werder, IJ Hewitt, CG Schoof… - Journal of Geophysical …, 2013‏ - Wiley Online Library
We present a two‐dimensional Glacier Drainage System model (GlaDS) that couples
distributed and channelized subglacial water flow. Distributed flow occurs through linked …

Ice-sheet mass balance and climate change

E Hanna, FJ Navarro, F Pattyn, CM Domingues… - Nature, 2013‏ - nature.com
Abstract Since the 2007 Intergovernmental Panel on Climate Change Fourth Assessment
Report, new observations of ice-sheet mass balance and improved computer simulations of …

Greenland ice sheet mass balance: a review

SA Khan, A Aschwanden, AA Bjørk… - Reports on progress …, 2015‏ - iopscience.iop.org
Over the past quarter of a century the Arctic has warmed more than any other region on
Earth, causing a profound impact on the Greenland ice sheet (GrIS) and its contribution to …

Rapid accelerations of Antarctic Peninsula outlet glaciers driven by surface melt

PA Tuckett, JC Ely, AJ Sole, SJ Livingstone… - Nature …, 2019‏ - nature.com
Atmospheric warming is increasing surface melting across the Antarctic Peninsula, with
unknown impacts upon glacier dynamics at the ice-bed interface. Using high-resolution …

Seasonal changes in ice sheet motion due to melt water lubrication

IJ Hewitt - Earth and Planetary Science Letters, 2013‏ - Elsevier
A numerical model is used to calculate how the motion of an idealized ice-sheet margin is
affected by the subglacial drainage of melt water from its surface. The model describes the …