Contemporary ice sheet thinning drives subglacial groundwater exfiltration with potential feedbacks on glacier flow

AA Robel, SJ Sim, C Meyer, MR Siegfried… - Science …, 2023‏ - science.org
Observations indicate that groundwater-laden sedimentary aquifers are extensive beneath
large portions of the Greenland and Antarctic ice sheets. A reduction in the mechanical …

Worldwide version-controlled database of glacier thickness observations

E Welty, M Zemp, F Navarro, M Huss… - Earth System …, 2020‏ - essd.copernicus.org
Although worldwide inventories of glacier area have been coordinated internationally for
several decades, a similar effort for glacier ice thicknesses was only initiated in 2013. Here …

Inferring the subsurface geometry and strength of slow‐moving landslides using 3‐D velocity measurements from the NASA/JPL UAVSAR

AL Handwerger, AM Booth, MH Huang… - Journal of …, 2021‏ - Wiley Online Library
The hazardous impact and erosive potential of slow‐moving landslides depends on
landslide properties including velocity, size, and frequency of occurrence. However …

Glacier sliding, seismicity and sediment entrainment

BP Lipovsky, CR Meyer, LK Zoet, C McCarthy… - Annals of …, 2019‏ - cambridge.org
The evolution of glaciers and ice sheets depends on processes in the subglacial
environment. Shear seismicity along the ice–bed interface provides a window into these …

Bedforms of Thwaites Glacier, West Antarctica: Character and origin

RB Alley, N Holschuh, DR MacAyeal… - Journal of …, 2021‏ - Wiley Online Library
Abstract Bedforms of Thwaites Glacier, West Antarctica both record and affect ice flow, as
shown by geophysical data and simple models. Thwaites Glacier flows across the tectonic …

Dilation of subglacial sediment governs incipient surge motion in glaciers with deformable beds

BM Minchew, CR Meyer - Proceedings of the Royal …, 2020‏ - royalsocietypublishing.org
Glacier surges are quasi-periodic episodes of rapid ice flow that arise from increases in slip
rate at the ice–bed interface. The mechanisms that trigger and sustain surges are not well …

Thermal controls on ice stream shear margins

P Hunter, C Meyer, B Minchew, M Haseloff… - Journal of …, 2021‏ - cambridge.org
Ice stream discharge responds to a balance between gravity, basal friction and lateral drag.
Appreciable viscous heating occurs in shear margins between ice streams and adjacent …

Continuous simulations over the last 40 million years with a coupled Antarctic ice sheet-sediment model

D Pollard, RM DeConto - Palaeogeography, Palaeoclimatology …, 2020‏ - Elsevier
Much of the knowledge of Antarctic Ice Sheet variations since its inception~ 34 Ma derives
from marine sediments on the continental shelf, deposited in glacimarine or sub-ice …