BedMachine v3: Complete bed topography and ocean bathymetry mapping of Greenland from multibeam echo sounding combined with mass conservation

M Morlighem, CN Williams, E Rignot… - Geophysical …, 2017 - Wiley Online Library
Greenland's bed topography is a primary control on ice flow, grounding line migration,
calving dynamics, and subglacial drainage. Moreover, fjord bathymetry regulates the …

[HTML][HTML] Greenland liquid water discharge from 1958 through 2019

KD Mankoff, B Noël, X Fettweis… - Earth System …, 2020 - essd.copernicus.org
Greenland runoff, from ice mass loss and increasing rainfall, is increasing. That runoff, as
discharge, impacts the physical, chemical, and biological properties of the adjacent fjords …

Cascading lake drainage on the Greenland Ice Sheet triggered by tensile shock and fracture

P Christoffersen, M Bougamont, A Hubbard… - Nature …, 2018 - nature.com
Supraglacial lakes on the Greenland Ice Sheet are expanding inland, but the impact on ice
flow is equivocal because interior surface conditions may preclude the transfer of surface …

Subglacial water drainage, storage, and piracy beneath the Greenland ice sheet

K Lindbäck, R Pettersson, AL Hubbard… - Geophysical …, 2015 - Wiley Online Library
Meltwater drainage across the surface of the Greenland ice sheet (GrIS) is well constrained
by measurements and modeling, yet despite its critical role, knowledge of its transit through …

Modeling of subglacial hydrological development following rapid supraglacial lake drainage

CF Dow, B Kulessa, IC Rutt, VC Tsai… - Journal of …, 2015 - Wiley Online Library
The rapid drainage of supraglacial lakes injects substantial volumes of water to the bed of
the Greenland ice sheet over short timescales. The effect of these water pulses on the …

Rapidly changing subglacial hydrological pathways at a tidewater glacier revealed through simultaneous observations of water pressure, supraglacial lakes …

P How, DI Benn, NRJ Hulton, B Hubbard… - The …, 2017 - tc.copernicus.org
Subglacial hydrological processes at tidewater glaciers remain poorly understood due to the
difficulty in obtaining direct measurements and lack of empirical verification for modelling …

Seismic evidence for complex sedimentary control of Greenland Ice Sheet flow

B Kulessa, AL Hubbard, AD Booth, M Bougamont… - Science …, 2017 - science.org
The land-terminating margin of the Greenland Ice Sheet has slowed down in recent
decades, although the causes and implications for future ice flow are unclear. Explained …

Sliding dominates slow-flowing margin regions, Greenland Ice Sheet

N Maier, N Humphrey, J Harper, T Meierbachtol - Science Advances, 2019 - science.org
On the Greenland Ice Sheet (GrIS), ice flow due to deformation and sliding across the bed
delivers ice to lower-elevation marginal regions where it can melt. We measured the two …

Measured basal water pressure variability of the western Greenland Ice Sheet: Implications for hydraulic potential

PJ Wright, JT Harper, NF Humphrey… - Journal of …, 2016 - Wiley Online Library
The gradient of the hydraulic potential field at the ice‐bedrock interface beneath the
Greenland Ice Sheet (GrIS) dictates the routing and energetics of subglacial water, thereby …

Dynamic response of the Greenland ice sheet to recent cooling

JJ Williams, N Gourmelen, P Nienow - Scientific Reports, 2020 - nature.com
The subglacial hydrological system critically controls ice motion at the margins of the
Greenland Ice Sheet. However, over multi-annual timescales, the net impact of hydro …