Results 21 to 30 of about 6,699 (183)
The weakening and/or removal of floating ice shelves in Antarctica can induce inland ice flow acceleration. Numerical modelling suggests these processes will play an important role in Antarctica's future sea-level contribution, but our understanding of ...
Jennifer F. Arthur +5 more
doaj +1 more source
Tectonic processes in Svalbard tide-water glacier surges: evidence from structural glaciology [PDF]
AbstractThe tectonic effects of a glacier surge differ from those of steady state because flow is driven by longitudinal stresses rather than shear stresses. The orientations of recently formed crevasses, indicating the directions of the principal stresses, have been used to investigate tectonic processes in glacier surges recorded by repeat aerial ...
Hodgkins Richard, Julian A. Dowdeswell
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Seismic Tremor Reveals Spatial Organization and Temporal Changes of Subglacial Water System [PDF]
©2019. American Geophysical Union. All Rights Reserved.Subglacial water flow impacts glacier dynamics and shapes the subglacial environment. However, due to the challenges of observing glacier beds, the spatial organization of subglacial water systems and
Amundson, Jason M. +4 more
core +2 more sources
A Comparison of Plasticity Regularization Approaches for Geodynamic Modeling
The emergence, geometry and activation of faults are intrinsically linked to frictional rheology. The latter is thus a central element in geodynamic simulations which aim at modeling the generation and evolution of fault zones and plate boundaries ...
Thibault Duretz +3 more
doaj +1 more source
Airborne Snow Radar Data Simulation With Deep Learning and Physics-Driven Methods
Monitoring properties of ice sheets in polar regions is one of the main challenges in glaciology. There is a large amount of heterogeneous radar data from the polar regions that have been gathered through expensive missions.
Masoud Yari +7 more
doaj +1 more source
A structural glaciological analysis of the 2002 Larsen B ice-shelf collapse [PDF]
AbstractThis study provides a detailed structural glaciological analysis of changes in surface structures on the Larsen B ice shelf on the Antarctic Peninsula prior to its collapse in February–March 2002. Mapped features include the ice-shelf front, rifts, crevasses, longitudinal linear surface structures and meltwater features.
N.F. Glasser, T.A. Scambos
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Reconstruction of glacial topography is important for assessing the ice dynamics of glaciers in the past and understanding how they may respond to climate change in the future.
Gang Qiao +5 more
doaj +1 more source
Seasonal and spatial variations in the ocean-coupled ambient wavefield of the Ross Ice Shelf [PDF]
© The Author(s), 2019. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Baker, M. G., Aster, R. C., Anthony, R. E., Chaput, J., Wiens, D. A., Nyblade, A., Bromirski, P.
Anthony, Robert E. +8 more
core +1 more source
Hydrology and dynamics of a polythermal (mostly cold) High Arctic glacier [PDF]
Peer reviewedPublisher ...
Andreasen +41 more
core +2 more sources
Effects of microparticles on deformation and microstructural evolution of fine-grained ice
We investigated the effects of microparticles and grain size on the microstructural evolutions and mechanical properties of polycrystalline ice. Uniaxial compression tests were conducted using fine-grained pure ice and silica-dispersed ice under various ...
TOMOTAKA SARUYA +5 more
doaj +1 more source

