Results 61 to 70 of about 1,034,359 (315)

Oceanographic conditions beneath Fimbul Ice Shelf, Antarctica [PDF]

open access: yes, 2012
Antarctic ice shelves play a key role in the global climate system, acting as important sites for the cooling of shelf waters, thereby facilitating deep and bottom water formation.
Abrahamsen, Einar Povl
core   +1 more source

Clouds drive differences in future surface melt over the Antarctic ice shelves

open access: yesThe Cryosphere, 2021
. Recent warm atmospheric conditions have damaged the ice shelves of the Antarctic Peninsula through surface melt and hydrofracturing, and could potentially initiate future collapse of other Antarctic ice shelves.
C. Kittel   +9 more
semanticscholar   +1 more source

Importance of seasonal and annual layers in controlling backscatter to radar altimeters across the percolation zone of an ice sheet [PDF]

open access: yes, 2006
Radar altimeters are one of the main tools for measuring elevation changes across the Antarctic and Greenland ice sheets and larger ice caps. A ground-based radar was deployed in autumn 2004 and spring 2006 in the percolation zone of the Greenland Ice ...
Scott, JBT   +17 more
core   +1 more source

Basal Melting, Roughness and Structural Integrity of Ice Shelves

open access: yes, 2022
Ice shelves restrict outflow from many of the largest glaciers in Antarctica, thus limiting the Antarctic contribution to sea‐level rise. However, past ice‐shelf collapse events show they are highly vulnerable to surface and basal melting.
R. Larter
semanticscholar   +1 more source

Liquid Brine in Ice Shelves [PDF]

open access: yesJournal of Glaciology, 1975
Holes drilled into thin areas of the Brunt Ice Shelf encounter a layer of liquid brine less than 1 m thick approximately at sea-level. Assuming the brine to be moving horizontally, analysis of its effects on thermal equilibrium gives an estimate of steady-state annual brine flow that is in good agreement with the value deduced from a percolation model.
openaire   +2 more sources

Enhancement factors for grounded ice and ice shelves inferred from an anisotropic ice-flow model [PDF]

open access: yes, 2010
Polar ice is known to be one of the most anisotropic natural materials. For a given fabric the polycrystal viscous response is strongly dependent on the actual state of stress and strain rate.
Olivier Gagliardini   +17 more
core   +1 more source

Explicit representation and parametrised impacts of under ice shelf seas in the z∗ coordinate ocean model NEMO 3.6 [PDF]

open access: yesGeoscientific Model Development, 2017
Ice-shelf–ocean interactions are a major source of freshwater on the Antarctic continental shelf and have a strong impact on ocean properties, ocean circulation and sea ice.
P. Mathiot   +4 more
doaj   +1 more source

Automatic Extraction of the Calving Front of Pine Island Glacier Based on Neural Network

open access: yesRemote Sensing, 2023
Calving front location plays a crucial role in studying ice–ocean interaction, mapping glacier area change, and constraining ice dynamic models. However, relying solely on visual interpretation to extract annual changes in the calving front of ice ...
Xiangyu Song, Yang Du, Jiang Guo
doaj   +1 more source

Speed-up, slowdown, and redirection of ice flow on neighbouring ice streams in the Pope, Smith, and Kohler region of West Antarctica [PDF]

open access: yesThe Cryosphere
The ice streams feeding the Dotson and Crosson ice shelves are some of the fastest changing in West Antarctica. We use satellite observations to measure the change in ice speed and flow direction on eight ice streams in the Pope, Smith, and Kohler region
H. L. Selley   +4 more
doaj   +1 more source

Diverging future surface mass balance between the Antarctic ice shelves and grounded ice sheet

open access: yesThe Cryosphere, 2020
. The future surface mass balance (SMB) will influence the ice dynamics and the contribution of the Antarctic ice sheet (AIS) to the sea level rise.
C. Kittel   +10 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy