Results 61 to 70 of about 946 (136)

Coupling Debris Transport to 3D Higher‐Order Ice Flow Dynamics to Model the Behavior and Climate Change Response of Debris‐Covered Glaciers

open access: yesJournal of Geophysical Research: Earth Surface, Volume 131, Issue 5, May 2026.
Abstract We use a three‐dimensional time‐dependent glacier model that couples higher‐order ice flow dynamics with multi‐dimensional englacial and supraglacial debris transport to investigate the behavior of debris‐covered glaciers and their response to climate change.
Yoni Verhaegen, Philippe Huybrechts
wiley   +1 more source

Observed meltwater-induced flexure and fracture at a doline on George VI Ice Shelf, Antarctica

open access: yesJournal of Glaciology
Global Navigation Satellite System (GNSS) observations and ground-based timelapse photography obtained over the record-high 2019/2020 melt season are combined to characterise the flexure and fracture behaviour of a previously formed doline on George VI ...
Alison F. Banwell   +4 more
doaj   +1 more source

Shifting the Paradigm: Redefining the Chronostratigraphy of the Triassic Rewan Group, Bowen Basin, Australia

open access: yesBasin Research, Volume 38, Issue 3, May–June 2026.
New U–Pb zircon dating shows the Rewan Group was deposited between ~250 and 233 million years ago and that sedimentation shifted across the basin through time, with earlier deposition in the foredeep and later deposition in the back bulge. Testing multiple dating approaches and grain‐selection strategies improves confidence in these age estimates and ...
Matthew Scipione   +6 more
wiley   +1 more source

Electron microscopy‐based three‐dimensional subcellular imaging of plant male gametophyte

open access: yesJournal of Integrative Plant Biology, Volume 68, Issue 5, Page 1290-1314, May 2026.
The Aquilos2 Cryo‐FIB workflows provide practical routes for cryo‐electron tomography and volume imaging in plant structural biology. ABSTRACT Understanding cellular events in three dimensions (3D) is of great importance for the annotation and illustration of biological processes in a contextual way. Imaging techniques based on electron microscopy (EM),
Zhiqi Liu   +9 more
wiley   +1 more source

Horizontal force-balance calving laws: Ice shelves, marine- and land-terminating glaciers

open access: yesJournal of Glaciology
Predicting calving in glacier models is challenging, as observations of diverse calving styles appear to contradict a universal calving law. Here, we generalize and apply the analytical Horizontal Force-Balance fracture model from ice shelves to land ...
Niall Bennet Coffey, Ching-Yao Lai
doaj   +1 more source

Assessing future ice shelf hydrofracture vulnerability in the ISMIP6 ensemble

open access: yesJournal of Glaciology
Understanding the possibility of future ice shelf collapses similar to that of the Larsen B is critical for improving sea-level-rise projections due to the restraint on upstream flow that ice shelves provide.
Benjamin Reynolds, Sophie Nowicki
doaj   +1 more source

Glacier processes from seismic recordings on Sørsdal Glacier, East Antarctica

open access: yesJournal of Glaciology
A catalogue of seismic events is produced and analysed for Sørsdal Glacier, East Antarctica. Recordings were made using an irregular array of three broadband and eight short-period seismometers, with approximately 3 km aperture, deployed slightly ...
Jared C Magyar   +7 more
doaj   +1 more source

Quantifying supraglacial meltwater pathways in the Paakitsoq region, West Greenland

open access: yesJournal of Glaciology, 2017
Increased summer ice velocities on the Greenland ice sheet are driven by meltwater input to the subglacial environment. However, spatial patterns of surface input and partitioning of meltwater between different pathways to the base remain poorly ...
CONRAD KOZIOL   +3 more
doaj   +1 more source

On the evaluation of the stress intensity factor in calving models using linear elastic fracture mechanics

open access: yesJournal of Glaciology, 2018
We investigate the appropriateness of calving or crevasse models from the literature using linear elastic fracture mechanics (LEFM). To this end, we compare LEFM model-predicted stress intensity factors (SIFs) against numerically computed SIFs using the ...
STEPHEN JIMÉNEZ, RAVINDRA DUDDU
doaj   +1 more source

Tidal and spatial variability of flow speed and seismicity near the grounding zone of Beardmore Glacier, Antarctica

open access: yesAnnals of Glaciology, 2019
GPS measurements of tidal modulation of ice flow and seismicity within the grounding zone of Beardmore Glacier show that tidally induced fluctuations of horizontal flow are largest near the grounding line and decrease downstream.
Jade Cooley   +3 more
doaj   +1 more source

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