Search Results - "Jarosch, Alexander H."

Thermoelasticity of ice explains widespread damage in dripstone caves during glacial periods by Spötl, Christoph, Jarosch, Alexander H., Saxer, Andreas, Koltai, Gabriella, Zhang, Haiwei

“…Damage to speleothems is a common phenomenon in mid-latitude caves, and multiple causes have been proposed. Here we report on one of such type of damage,…”
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The Open Global Glacier Model (OGGM) v1.1 by Maussion, Fabien, Butenko, Anton, Champollion, Nicolas, Dusch, Matthias, Eis, Julia, Fourteau, Kevin, Gregor, Philipp, Jarosch, Alexander H, Landmann, Johannes, Oesterle, Felix, Recinos, Beatriz, Rothenpieler, Timo, Vlug, Anouk, Wild, Christian T, Marzeion, Ben

“…Despite their importance for sea-level rise, seasonal water availability, and as a source of geohazards, mountain glaciers are one of the few remaining…”
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Non-surface mass balance of glaciers in Iceland by Jóhannesson, Tómas, Pálmason, Bolli, Hjartarson, Árni, Jarosch, Alexander H., Magnússon, Eyjólfur, Belart, Joaquín M. C., Gudmundsson, Magnús Tumi

“…Non-surface mass balance is non-negligible for glaciers in Iceland. Several Icelandic glaciers are in the neo-volcanic zone where a combination of geothermal…”
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Short-term velocity variations and sliding sensitivity of a slowly surging glacier by Flowers, Gwenn E., Jarosch, Alexander H., Belliveau, Patrick T. A. P., Fuhrman, Lucas A.

“…We use daily surface velocities measured over several weeks in 2007 and 2008 on a slowly surging glacier in Yukon, Canada, to examine the ordinary melt-season…”
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Projected deglaciation of western Canada in the twenty-first century by Clarke, Garry K. C., Jarosch, Alexander H., Anslow, Faron S., Radić, Valentina, Menounos, Brian

“…The glaciers in western Canada are experiencing rapid mass loss. Projections of their fate with a model that couples physics-based ice dynamics with a surface…”
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Numerical studies of ice flow over subglacial geothermal heat sources at Grímsvötn, Iceland, using Full Stokes equations by Jarosch, Alexander H., Gudmundsson, Magnús T.

“…The importance of studying geothermal heat sources under glaciers lies in: (1) the potential for jökulhlaups from such sites; (2) the potential for enhanced…”
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Brief communication: Stalagmite damage by cave ice flow quantitatively assessed by fluid–structure interaction simulations by Jarosch, Alexander H, Hofer, Paul, Spötl, Christoph

“…Mechanical damage to stalagmites is commonly observed in mid-latitude caves. Former studies have identified thermoelastic ice expansion as a plausible…”
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Cryogenic cave carbonates in the Dolomites (northern Italy): insights into Younger Dryas cooling and seasonal precipitation by Koltai, Gabriella, Spötl, Christoph, Jarosch, Alexander H, Cheng, Hai

“…In the European Alps, the Younger Dryas (YD) was characterised by the last major glacier advance, with equilibrium line altitudes being ∼ 220 to 290 m lower…”
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Modelling debris transport within glaciers by advection in a full-Stokes ice flow model by Wirbel, Anna, Jarosch, Alexander H, Nicholson, Lindsey

“…Glaciers with extensive surface debris cover respond differently to climate forcing than those without supraglacial debris. In order to include debris-covered…”
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Evidence for Elevation-Dependent Warming in the St. Elias Mountains, Yukon, Canada by Williamson, Scott N., Zdanowicz, Christian, Anslow, Faron S., Clarke, Garry K. C., Copland, Luke, Danby, Ryan K., Flowers, Gwenn E., Holdsworth, Gerald, Jarosch, Alexander H., Hik, David S.

“…The climate of high midlatitude mountains appears to be warming faster than the global average, but evidence for such elevation-dependent warming (EDW) at…”
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Geothermal heat source estimations through ice flow modelling at Mýrdalsjökull, Iceland by Jarosch, Alexander H., Magnússon, Eyjólfur, Hannesdóttir, Krista, Belart, Joaquín M. C., Pálsson, Finnur

“…Geothermal heat sources beneath glaciers and ice caps influence local ice-dynamics and mass balance but also control ice surface depression evolution as well…”
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High-resolution precipitation and temperature downscaling for glacier models by Jarosch, Alexander H., Anslow, Faron S., Clarke, Garry K. C.

“…The spatial resolution gap between global or regional climate models and the requirements for local impact studies motivates the need for climate downscaling…”
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Ice Volume and Subglacial Topography for Western Canadian Glaciers from Mass Balance Fields, Thinning Rates, and a Bed Stress Model by Clarke, Garry K. C., Anslow, Faron S., Jarosch, Alexander H., Radić, Valentina, Menounos, Brian, Bolch, Tobias, Berthier, Etienne

“…A method is described to estimate the thickness of glacier ice using information derived from the measured ice extent, surface topography, surface mass…”
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Spring and summer monthly MODIS LST is inherently biased compared to air temperature in snow covered sub-Arctic mountains by Williamson, Scott N., Hik, David S., Gamon, John A., Jarosch, Alexander H., Anslow, Faron S., Clarke, Garry K.C., Scott Rupp, T.

“…Satellite-derived land surface temperature (skin temperature) provides invaluable information for data-sparse high elevation and Arctic regions. However, the…”
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A Hierarchical Spatiotemporal Statistical Model Motivated by Glaciology by Gopalan, Giri, Hrafnkelsson, Birgir, Wikle, Christopher K., Rue, Håvard, Aðalgeirsdóttir, Guðfinna, Jarosch, Alexander H., Pálsson, Finnur

“…In this paper, we extend and analyze a Bayesian hierarchical spatiotemporal model for physical systems. A novelty is to model the discrepancy between the…”
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Spring warming in Yukon mountains is not amplified by the snow albedo feedback by Williamson, Scott N., Anslow, Faron S., Clarke, Garry K. C., Gamon, John A., Jarosch, Alexander H., Hik, David S.

“…Decreasing spring snow cover may amplify Arctic warming through the snow albedo feedback. To examine the impact of snowmelt on increasing temperature we used a…”
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Winter mass balance of Drangajökull ice cap (NW Iceland) derived from satellite sub-meter stereo images by Belart, Joaquín M C, Berthier, Etienne, Magnússon, Eyjólfur, Anderson, Leif S, Pálsson, Finnur, Thorsteinsson, Thorsteinn, Howat, Ian M, Aðalgeirsdóttir, Guðfinna, Jóhannesson, Tómas, Jarosch, Alexander H

“…Sub-meter resolution, stereoscopic satellite images allow for the generation of accurate and high-resolution digital elevation models (DEMs) over glaciers and…”
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Neural Networks Applied to Estimating Subglacial Topography and Glacier Volume by Clarke, Garry K. C., Berthier, Etienne, Schoof, Christian G., Jarosch, Alexander H.

“…To predict the rate and consequences of shrinkage of the earth’s mountain glaciers and ice caps, it is necessary to have improved regional-scale models of…”
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A Bayesian hierarchical model for glacial dynamics based on the shallow ice approximation and its evaluation using analytical solutions by Gopalan, Giri, Hrafnkelsson, Birgir, Adalgeirsdottir, Gudfinna, Jarosch, Alexander H, Palsson, Finnur

“…Bayesian hierarchical modeling can assist the study of glacial dynamics and ice flow properties. This approach will allow glaciologists to make fully…”
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Geothermal heat source estimations through ice flow modelling at Mýrdalsjökull, Iceland by Jarosch, Alexander H, Magnússon, Eyjólfur, Hannesdóttir, Krista, Belart, Joaquín M. C, Pálsson, Finnur

“…Geothermal heat sources beneath glaciers and ice caps influence local ice-dynamics and mass balance but also control ice surface depression evolution as well…”
Get full text