Results 41 to 50 of about 2,610,376 (305)
Estimation of glacier ice extinction using long-wavelength airborne Pol-InSAR [PDF]
, 2013 In recent years there has been increased interest in using synthetic aperture radar (SAR) to study and monitor glaciers and ice sheets for glaciological and climate change research.
Sharma, Jayanti +3 more
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Air temperature distribution and energy balance modelling of a debris-covered glacier [PDF]
, 2016 Near-surface air temperature is an important determinant of the surface energy balance of glaciers that is often represented by constant linear temperature gradients in models.
Brock, B.W. +13 more
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A Model of a Surging Glacier [PDF]
Journal of Glaciology, 1972 Abstract As the cause of a surge we assume a sudden improvement of the sliding conditions at the glacier bed. This improvement has the same effect on the behaviour of the glacier as an equivalent variation of the annual balance. We are therefore able to apply Nye’s (1963) theory of the advance and retreat of glaciers to our problem. A
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Crevasses triggered on Pine Island Glacier by drilling through an exceptional melt layer [PDF]
, 2010 The basic theory of crevasse formation suggests that crevasses initiate at or near the surface. However, due to variations in stress with depth, it has been suggested that it is possible for crevasses to initiate at depths of 10–30m.
Julian B. T. Scott +12 more
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Inversion of a glacier hydrology model [PDF]
Annals of Glaciology, 2016 ABSTRACTThe subglacial hydrologic system exerts strong controls on the dynamics of the overlying ice, yet the parameters that govern the evolution of this system are not widely known or observable. To gain a better understanding of these parameters, we invert a spatially averaged model of subglacial hydrology from observations of ice surface velocity ...
Douglas J. Brinkerhoff +4 more
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An energy-balance model for debris-covered glaciers including heat conduction through the debris layer [PDF]
, 2010 Extensive covers of supraglacial debris are often present in glacier ablation areas, and it is essential to assess exactly how the debris affects glacier melt rates.
Brock, B.W. +5 more
core +1 more source
A physically based calving model applied to marine outlet glaciers and implications for the glacier dynamics [PDF]
, 2010 We present results from numerical ice-flow models that include calving criteria based on penetration of surface and basal crevasses, which in turn is a function of longitudinal strain rates near the glacier front.
Vieli, Andreas +23 more
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Assessment of glacier lakes development potential in the Central Caucasus
Лëд и снег, 2020 Glacier mass loss and consequent terminus retreat lead to formation and growth of glacier lakes. In Caucasus outbursts of glacial lakes formed in recent decades have led to human casualties and significant damage. In this study the location and volume of
I. I. Lavrentiev +4 more
doaj +1 more source
Subglacial drainage processes at a High Arctic polythermal valley glacier [PDF]
, 2005 Dye-tracer experiments undertaken over two summer melt seasons at polythermal John Evans Glacier, Ellesmere Island, Canada, were designed to investigate the character of the subglacial drainage system and its evolution over a melt season. In both summers,
Nienow, Peter W. +5 more
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Experiments with model glaciers
Geographical Review of Japan, 1926 A piece of apparatus was designed with which it was hoped to determine the relative rates at which glacier ice would respond by flow to the same head at varying depth pressures. The primary object of the experiments was frustrated, but measurements were secured which permitted the plotting of a curve showing the approximate relation of rate of flow and
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