Ice fabric in an Antarctic ice stream interpreted from seismic anisotropy [PDF]
, 2017 Here we present new measurements of an anisotropic ice fabric in a fast moving (377 ma−1) ice stream in West Antarctica. We use ∼6000 measurements of shear wave splitting observed in microseismic signals from the bed of Rutford Ice Stream, to show that ...
Alan F. Baird +40 more
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Frequency response of ice streams [PDF]
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2012 Changes at the grounding line of ice streams have consequences for inland ice dynamics and hence sea level. Despite substantial evidence documenting upstream propagation of frontal change, the mechanisms by which these changes are transmitted inland are not well understood.
Williams +3 more
openaire +3 more sources
Spatiotemporal Dynamics of Ice Streams Due to a Triple-Valued Sliding Law [PDF]
, 2010 We show that a triple-valued sliding law can be heuristically motivated by the transverse spatial structure of an ice-stream velocity field using a simple one-dimensional model.
Sayag, Roiy, Tziperman, Eli
core +1 more source
Stream hydrology controls on ice cliff evolution and survival on debris-covered glaciers [PDF]
Earth Surface DynamicsIce cliffs are melt hot spots that contribute disproportionately to melt on debris-covered glaciers. In this study, we investigate the impact of supraglacial stream hydrology on ice cliffs using in situ and remote sensing observations, streamflow ...
E. Petersen +3 more
doaj +1 more source
A geomorphological overview of glacial landforms on the Icelandic continental shelf [PDF]
, 2009 The availability of a bathymetric database that covers about 80% of the Icelandic shelf has made it possible to produce a geomorphological map of the glacial landforms.
Clark, C.D., Spagnolo, M.
core +1 more source
Analytical solutions for the surface response to small amplitude perturbations in boundary data in the shallow-ice-stream approximation [PDF]
The Cryosphere, 2008 New analytical solutions describing the effects of small-amplitude perturbations in boundary data on flow in the shallow-ice-stream approximation are presented.
G. H. Gudmundsson
doaj
Annals of Glaciology, 2020 Here we use polarimetric measurements from an Autonomous phase-sensitive Radio-Echo Sounder (ApRES) to investigate ice fabric within Whillans Ice Stream, West Antarctica.
Thomas M. Jordan +3 more
doaj +1 more source
Basal mechanics of Ice Stream B, west Antarctica: 2. Undrained plastic bed model [PDF]
, 2000 Based on the results of our studies of the physical conditions beneath Ice Stream B, we formulate a new analytical ice stream model, the undrained plastic bed model (henceforth the UPB model).
Engelhardt, Hermann F. +2 more
core +1 more source
Ice stream behaviour and deglaciation of the Scandinavian Ice Sheet in the Kuittijärvi area, Russian Karelia [PDF]
Bulletin of the Geological Society of Finland, 2008 Glacial landforms of the Lake Kuittijärvi area, Russian Karelia, which covers an area of more than 7000 km2 , were studied in detail using aerial photography and satellite imagery methods and on-site field observations.
N. Putkinen, J.-P. Lunkka
doaj +1 more source
The BEAMISH hot water drill system and its use on the Rutford Ice Stream, Antarctica
Annals of Glaciology, 2021 During the 2018/19 Antarctic field season, the British Antarctic Survey (BAS) Basal conditions on Rutford Ice Stream: BEd Access, Monitoring and Ice Sheet History’ (BEAMISH) project drilled three holes through the Rutford Ice Stream, West Antarctica.
Paul G. D. Anker +3 more
doaj +1 more source