Results 51 to 60 of about 153,318 (201)
Weakening of the pinning point buttressing Thwaites Glacier, West Antarctica
The Cryosphere, 2021 . The Thwaites Eastern Ice Shelf continues to buttresses a significant portion of Thwaites Glacier through contact with a pinning point 40 km offshore of the present grounding line.
C. Wild +5 more
semanticscholar +1 more source
Insights into the vulnerability of Antarctic glaciers from the ISMIP6 ice sheet model ensemble and associated uncertainty [PDF]
The Cryosphere, 2023 The Antarctic Ice Sheet represents the largest source of uncertainty in future sea level rise projections, with a contribution to sea level by 2100 ranging from −5 to 43 cm of sea level equivalent under high carbon emission scenarios estimated by the ...
H. Seroussi +58 more
doaj +1 more source
Migration of the Shear Margins at Thwaites Glacier
, 2022 Codebase used for manuscript Migration of the Shear Margins at Thwaites Glacier: Dependence on Basal Conditions and Testability Against Field ...
Summers, Paul T +3 more
core +1 more source
Inverting ice surface elevation and velocity for bed topography and slipperiness beneath Thwaites Glacier [PDF]
The Cryosphere, 2022 There is significant uncertainty over how ice sheets and glaciers will respond to rising global temperatures. Limited knowledge of the topography and rheology of the ice–bed interface is a key cause of this uncertainty as models show that small changes ...
H. Ockenden +3 more
doaj +1 more source
Journal of Geophysical Research - Earth Surface, 2023 Projections of global sea level depend sensitively on whether Thwaites Glacier, Antarctica, will continue to lose ice rapidly. Prior studies have focused primarily on understanding the evolution of ice velocity and whether the reverse‐sloping bed at ...
P. Summers +3 more
semanticscholar +1 more source
Competing processes determine the long-term impact of basal friction parameterizations for Antarctic mass loss [PDF]
The CryospherePrevious studies do not agree on the magnitude of the influence of basal friction laws in sea-level projections. We use the Community Ice Sheet Model (CISM) to show that the sensitivity of the projected sea level rise to the choice of basal friction law ...
T. van den Akker +8 more
doaj +1 more source
Detection of Surface Crevasses over Antarctic Ice Shelves Using SAR Imagery and Deep Learning Method
Remote Sensing, 2022 Crevasses are formed by glacier movement and the stresses within glacier ice. Knowledge of the crevasses’ distribution is critical for understanding the glacier and ice shelf stability. In this study, we propose an automated crevasse extraction framework
Jingjing Zhao +4 more
doaj +1 more source
Geophysical Research Letters, 2023 Numerical ice sheet models use sliding laws to connect basal shear stress and ice velocity to simulate ice sliding. A sliding‐law parameter β2 is used to control Weertman's sliding law in numerical ice sheet models.
I. Das +5 more
semanticscholar +1 more source
Persistent, Extensive Channelized Drainage Modeled Beneath Thwaites Glacier, West Antarctica
The Cryosphere, 2021 . Subglacial hydrology is a leading control on basal friction and the dynamics of glaciers and ice sheets. At low discharge, subglacial water flows through high-pressure, sheet-like systems that lead to low effective pressures. However, at high discharge,
A. Hager +3 more
semanticscholar +1 more source
Acceleration of Pine Island and Thwaites Glaciers, West Antarctica [PDF]
Annals of Glaciology, 2002 AbstractRecent satellite investigations revealed that in the 1990s the grounding line of Pine Island and Thwaites Glaciers, West Antarctica, retreated several km, the ice surface on the interior of the basins lowered 10 cm a–1, and Pine Island Glacier thinned 1.6 ma–1.
Rignot, Eric +4 more
openaire +2 more sources