Results 251 to 260 of about 544,035 (290)

Sea Ice Rheology Experiment (SIREx): 1. Scaling and Statistical Properties of Sea‐Ice Deformation Fields

open access: yesJournal of Geophysical Research: Oceans, 2022
As the sea‐ice modeling community is shifting to advanced numerical frameworks, developing new sea‐ice rheologies, and increasing model spatial resolution, ubiquitous deformation features in the Arctic sea ice are now being resolved by sea‐ice models ...
Einar Olason   +2 more
exaly   +2 more sources

A review of ice rheology for ice sheet modelling

Cold Regions Science and Technology, 1989
Abstract Ice core and borehole studies along flowlines in ice sheets show that the ice crystal structure and flow properties evolve together with strain and rotation along the particle paths. Laboratory studies of initially isotropic polycrystalline ice show that the changes in crystal structure and flow properties of the ice sheets can be simulated ...
W.F. Budd, T.H. Jacka
openaire   +1 more source

Rheology of Planetary Ices

1998
Laboratory measurements of the brittle and ductile behavior of several of the major icy planetary building materials have been made: water ice phases I through VI, ices in the ammonia-water system, mixtures of water ice plus particulates, and methane clathrate.
W. B. Durham, S. H. Kirby, L. A. Stern
openaire   +1 more source

Sea Ice Rheology

Annual Review of Fluid Mechanics, 2008
The polar oceans of Earth are covered by sea ice. On timescales much greater than a day, the motion and deformation of the sea ice cover (i.e., its dynamics) are primarily determined by atmospheric and oceanic tractions on its upper and lower surfaces and by internal ice forces that arise within the ice cover owing to its deformation.
openaire   +1 more source

Stability of the Viscous-Plastic Sea Ice Rheology

Journal of Physical Oceanography, 1995
The large-scale two-dimensional theology of a sea ice pack arises from the local contact forces between ; adjacent floes in convergence. It is conventionally modeled by a viscous-plastic constitutive relation to reflect the low or zero stress in a divergent flow field and the rate-independent ridging process in convergence. The authors demonstrate how,
Gray, Nico; id_orcid 0000-0003-3554-0499   +2 more
openaire   +2 more sources

A finite-element treatment of sea ice dynamics for different ice rheologies

International Journal for Numerical and Analytical Methods in Geomechanics, 1998
Summary: The effects of four different rheologies on the evolution of a large-scale sea ice pack are determined and compared. Two rheologies are of viscous-plastic form, and two are viscous fluid relations. The initial pack domain is rectangular, and the motion is driven by wind stress and resisted by ocean drag.
Schulkes, R. M.S.M.   +2 more
openaire   +2 more sources

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