Elastic deformation plays a non-negligible role in Greenland's outlet glacier flow

J Christmann, V Helm, SA Khan, T Kleiner… - … Earth & Environment, 2021 - nature.com
Future projections of global mean sea level change are uncertain, partly because of our
limited understanding of the dynamics of Greenland's outlet glaciers. Here we study …

Pan-Greenland mapping of supraglacial rivers, lakes, and water-filled crevasses in a cool summer (2018) and a warm summer (2019)

W Zhang, K Yang, LC Smith, Y Wang, D van As… - Remote Sensing of …, 2023 - Elsevier
The spatiotemporal distribution and variability of surface water remained poorly known at the
pan-Greenland scale, and its dominant features (supraglacial rivers, lakes, and water-filled …

Rapid basal melting of the Greenland Ice Sheet from surface meltwater drainage

TJ Young, P Christoffersen… - Proceedings of the …, 2022 - National Acad Sciences
Subglacial hydrologic systems regulate ice sheet flow, causing acceleration or deceleration,
depending on hydraulic efficiency and the rate at which surface meltwater is delivered to the …

Semantic segmentation of glaciological features across multiple remote sensing platforms with the Segment Anything Model (SAM)

S Shankar, LA Stearns, CJ van der Veen - Journal of Glaciology, 2024 - cambridge.org
Semantic segmentation is a critical part of observation-driven research in glaciology. Using
remote sensing to quantify how features change (eg glacier termini, supraglacial lakes …

[HTML][HTML] Three-dimensional dynamic monitoring of crevasses based on deep learning and surface elevation reconstruction methods

Q Li, J An, Z Xing, Z Wang, P Jiang, B Yan, Y Wu… - International Journal of …, 2024 - Elsevier
The evolution of crevasses on ice shelves plays a pivotal role in maintaining their stability.
Investigating the developmental pattern of crevasses on ice shelf surfaces necessitates long …

A fully-coupled 3D model of a large Greenlandic outlet glacier with evolving subglacial hydrology, frontal plume melting and calving

SJ Cook, P Christoffersen, J Todd - Journal of Glaciology, 2022 - cambridge.org
We present the first fully coupled 3D full-Stokes model of a tidewater glacier, incorporating
ice flow, subglacial hydrology, plume-induced frontal melting and calving. We apply the …

Controls on calving at a large Greenland tidewater glacier: stress regime, self-organised criticality and the crevasse-depth calving law

DI Benn, J Todd, A Luckman, S Bevan… - Journal of …, 2023 - cambridge.org
We investigate the physical basis of the crevasse-depth (CD) calving law by analysing
relationships between glaciological stresses and calving behaviour at Sermeq Kujalleq …

Historical snow and ice temperature observations document the recent warming of the Greenland ice sheet

B Vandecrux, RS Fausto, JE Box, F Covi… - The Cryosphere …, 2023 - tc.copernicus.org
The surface melting of the Greenland ice sheet has been increasing over the last decades
due to Arctic atmospheric warming. Surface melt depends on the energy balance which …

[HTML][HTML] Recent warming trends of the Greenland ice sheet documented by historical firn and ice temperature observations and machine learning

B Vandecrux, RS Fausto, JE Box, F Covi, R Hock… - The …, 2024 - tc.copernicus.org
Surface melt on the Greenland ice sheet has been increasing in intensity and extent over the
last decades due to Arctic atmospheric warming. Surface melt depends on the surface …

Transition between mechanical and geometric controls in glacier crevassing processes

H Rousseau, J Gaume, L Blatny… - Geophysical Research …, 2024 - Wiley Online Library
Herein, fast fracture initiation in glacier ice is modeled using a Material Point Method and a
simplified constitutive law describing tensile strain softening. Relying on a simple …