Results 61 to 70 of about 244 (114)
Arctic ScienceThe accelerated thawing of permafrost in ice-wedge polygonal landscapes results in the formation of shallow ponds, where nutrients and dissolved organic matter (DOM) remain poorly characterized.
Thomas Pacoureau +4 more
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Ice wedge degradation and CO2 and CH4 emissions in the Tuktoyaktuk Coastlands, Northwest Territories
Arctic Science, 2018 Increases in ground temperature make soil organic carbon in permafrost environments highly vulnerable to release to the atmosphere. High-centred polygonal terrain is a form of patterned ground that may act as a large source of carbon to the atmosphere ...
Abra F. Martin +2 more
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Environmental Research LettersAnthropogenic climate warming is degrading permafrost across interior Alaska. Information from past warming events provides long-term perspectives for future trajectories; however, late Quaternary seasonal temperatures are poorly constrained.
Thomas A Douglas +3 more
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Environmental Research: EcologyPermafrost thaw and thermokarst development pose urgent challenges to Arctic communities, threatening infrastructure and essential services. This study examines the reciprocal impacts of permafrost degradation and infrastructure in Point Lay (Kali ...
Benjamin M Jones +9 more
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The Battle of the Ice: On the ‘Svinfylking’ or ‘flying wedge’
Слово.ру: балтийский акцент, 2015 The fact that Teutonic knights fought in the Battle of the Ice in sivnflyking formation trying to destroy Alexander Nevsky’s troops and sustained a defeat is commonly acknowledged in Russian history. This article is an attempt to establish whether the use of this formation is a historical fact or another historical myth.
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Monitoring ice-wedge cracking in Svalbard
Summaries of JSSI and JSSE Joint Conference on Snow and Ice Research, 2008 Matsuoka, Norikazu +1 more
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Wedge impact with the influence of ice [PDF]
Applied Ocean Research, 2019 Abstract This work presents a canonical study on a wedge entering water near a single piece of ice using computational-fluid-dynamics (CFD) and a Wagner-type theoretical model with corrections for non-linear effects. Calculations for a series of conditions with ice of different sizes and locations relative to the wedge are conducted. The hydrodynamic
Kevin J Maki, Alexander Korobkin
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Life at the Wedge: the Activity and Diversity of Arctic Ice Wedge Microbial Communities
Astrobiology, 2012The discovery of polygonal terrain on Mars underlain by ice heightens interest in the possibility that this water-bearing habitat may be, or may have been, a suitable habitat for extant life. The possibility is supported by the recurring detection of terrestrial microorganisms in subsurface ice environments, such as ice wedges found beneath tundra ...
Wilhelm, Roland C. +4 more
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Modelling of ice‐wedge networks
Permafrost and Periglacial Processes, 2008AbstractThe fundamental and dominant process operating in all ice‐wedge networks is thermal contraction fracturing. This assumption forms the basis of a numerical model combining fracture initiation and propagation in frozen ground and ice, influence of open fractures on stresses, growth of ice wedges and ground deformation above wedges (Plug and ...
L. J. Plug, B. T. Werner
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