Results 51 to 60 of about 1,037,031 (170)

Insights into ice stream dynamics through modelling their response to tidal forcing [PDF]

open access: yesThe Cryosphere, 2014
The tidal forcing of ice streams at their ocean boundary can serve as a natural experiment to gain an insight into their dynamics and constrain the basal sliding law.
S. H. R. Rosier   +2 more
doaj   +1 more source

Variations in basal conditions on Rutford Ice Stream, West Antarctica

open access: yes, 1997
Seismic reflection data from two lines on Rutford Ice Stream are presented and are compared with data already published from a third line on the ice stream.
Smith, A.M., A. M. Smith
core   +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

Late Holocene stabilization of Conway Ice Ridge [PDF]

open access: yesThe Cryosphere
Marine ice sheets are low-pass filters of climate variability that take centuries to millennia to adjust to interior and near-terminus changes in mass balance.
A. O. Hoffman   +11 more
doaj   +1 more source

Softening of Temperate Ice by Interstitial Water

open access: yesFrontiers in Earth Science, 2021
Ice at depth in ice-stream shear margins is thought to commonly be temperate, with interstitial meltwater that softens ice. Models that include this softening extrapolate results of a single experimental study in which ice effective viscosity decreased ...
Conner J. C. Adams   +4 more
doaj   +1 more source

An ice-sheet scale comparison of eskers with modelled subglacial drainage routes [PDF]

open access: yes, 2015
Eskers record the signature of channelised meltwater drainage during deglaciation providing vital information on the nature and evolution of subglacial drainage.
Stokes, C.R.   +23 more
core   +1 more source

Dynamic behaviour of rutford ice stream [PDF]

open access: yesAnnals of Glaciology, 1982
The grounding-line region of Rutford Ice Stream was surveyed from the ground during 1978–79 and 1979–80, and from the air in 1980–81. Maps of surface elevation and ice thickness of an area of 1 000 km2allow the grounding line to be delineated and show that the ice stream consists of several distinct fingers of thick ice trending parallel to the flow ...
Stephenson, S.N, Doake, C.S.M
openaire   +2 more sources

Reconstructing ice dynamics in the central sector of the last British-Irish Ice Sheet [PDF]

open access: yes, 2010
The central sector (NW England and Scottish borders) of the last British-Irish Ice Sheet exhibits a palimpsest glacial geological and geomorphological signature characteristic of multi-phase ice flow and ice-marginal fluctuations. Despite its influential
LIVINGSTONE, STEPHEN,JOHN   +1 more
core  

Subglacial hydrology and the formation of ice streams [PDF]

open access: yesProceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2014
Antarctic ice streams are associated with pressurized subglacial meltwater but the role this water plays in the dynamics of the streams is not known. To address this, we present a model of subglacial water flow below ice sheets, and particularly below ice streams.
Kyrke-Smith, T, Katz, R, Fowler, A
openaire   +3 more sources

Multi-decadal evolution of Crary Ice Rise region, West Antarctica, amid modern ice-stream deceleration

open access: yesJournal of Glaciology
The ongoing deceleration of Whillans Ice Stream, West Antarctica, provides an opportunity to investigate the co-evolution of ice-shelf pinning points and ice-stream flux variability.
Hannah Verboncoeur   +7 more
doaj   +1 more source

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