Results 21 to 30 of about 12,214 (254)

Modeling Ice Shelf/Ocean Interaction in Antarctica: A Review [PDF]

open access: yesOceanography, 2016
The most rapid loss of ice from the Antarctic Ice Sheet is observed where ice streams flow into the ocean and begin to float, forming the great Antarctic ice shelves that surround much of the continent.
Michael S. Dinniman   +5 more
doaj   +1 more source

Ocean-forced evolution of the Amundsen Sea catchment, West Antarctica, by 2100 [PDF]

open access: yesThe Cryosphere, 2020
The response of ice streams in the Amundsen Sea Embayment (ASE) to future climate forcing is highly uncertain. Here we present projections of 21st century response of ASE ice streams to modelled local ocean temperature change using a subset of Coupled ...
A. V. Alevropoulos-Borrill   +7 more
doaj   +1 more source

A thicker Antarctic ice stream during the mid-Pliocene warm period

open access: yesCommunications Earth & Environment, 2023
Ice streams regulate most ice mass loss in Antarctica. Determining ice stream response to warmer conditions during the Pliocene could provide insights into their future behaviour, but this is hindered by a poor representation of subglacial topography in ...
Martim Mas e Braga   +12 more
doaj   +1 more source

Sensitivity of the Ross Ice Shelf to environmental and glaciological controls [PDF]

open access: yesThe Cryosphere, 2022
The Ross Ice Shelf (RIS) is currently stable but recent observations have indicated that basal melt rates beneath the ice shelf are expected to increase.
F. Baldacchino   +6 more
doaj   +1 more source

Footprint of the Baltic Ice Stream: geomorphic evidence for shifting ice stream pathways

open access: yesBoreas, 2023
The Baltic Ice Stream, a large fast‐flowing sector of the last Fennoscandian Ice Sheet that occupied the present‐day Baltic Sea basin, was first conceptualized in the earliest days of glacial geological research in Scandinavia. Landform and sedimentological evidence from the terrestrial margins support the concept and numerical ice‐sheet models ...
Sarah L. Greenwood   +4 more
openaire   +2 more sources

Range of 21st century ice mass changes in the Filchner-Ronne region of Antarctica

open access: yesJournal of Glaciology, 2023
Increases in ocean temperatures in the Filchner Ronne region of Antarctica are likely to result in increased ice mass loss and sea level rise. We constrain projections of the 21st century sea level contribution of this region using process-based ice ...
Andrew Johnson   +3 more
doaj   +1 more source

Ice stream formation

open access: yes, 2021
<div>Ice streams are the arteries through which a large fraction of the ice lost from Antarctica is discharged. With the introduction of "higher order" mechanics, the representation of ice streams in ice sheet models appears to have become more robust, eliminating previously ubiquitous grid effects.
Christian Schoof, Elisa Mantelli
openaire   +2 more sources

Modelling dynamic ice-sheet boundaries and grounding line migration using the level set method

open access: yesJournal of Glaciology, 2020
Computing predictions of future sea level that include well-defined uncertainty bounds requires models that are capable of robustly simulating the evolution of ice sheets and glaciers.
M. Alamgir Hossain   +2 more
doaj   +1 more source

Ice velocity changes in the Ross and Ronne sectors observed using satellite radar data from 1997 and 2009 [PDF]

open access: yesThe Cryosphere, 2012
We report changes in ice velocity of a 6.5 million km<sup>2</sup> region around South Pole encompassing the Filchner-Ronne and Ross Ice Shelves and a significant portion of the ice streams and glaciers that constitute their catchment areas ...
B. Scheuchl, J. Mouginot, E. Rignot
doaj   +1 more source

The role of near-terminus conditions in the ice-flow speed of Upernavik Isstrøm in northwest Greenland

open access: yesAnnals of Glaciology, 2023
Upernavik Isstrøm, the largest contributor to sea-level rise in northwest Greenland, has experienced complex and contrasting ice-flow-speed changes across its five outlets over the last two decades.
Kelsey M. Voss   +3 more
doaj   +1 more source

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