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Glacier dynamics

Modelling the impact of submarine frontal melting and ice mélange on glacier dynamics

Modelling the impact of submarine frontal melting and ice mélange on glacier dynamics

... Several attempts have been made to incorporate frontal melting and the ice mélange back force in ice flow mod- els. In particular, the relation between calving and undercut- ting was investigated by Vieli et al. (2002), ...

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Resolving the influence of temperature forcing through heat conduction on rock glacier dynamics: a numerical  modelling approach

Resolving the influence of temperature forcing through heat conduction on rock glacier dynamics: a numerical modelling approach

... rock glacier dynamics and their relation with external forcings and controlling factors remains at a qualitative level, and many questions remain ...rock glacier dynamics, the complex ...

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A High-Resolution Sensor Network for Monitoring Glacier Dynamics

A High-Resolution Sensor Network for Monitoring Glacier Dynamics

... of the marine outlet, Helheim Glacier. A key performance metric for the network was the signal outage rate defined as the percentage of time that the RSSI fell below the minimum received power level of -102 dBm. ...

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High sensitivity of tidewater outlet glacier dynamics to shape

High sensitivity of tidewater outlet glacier dynamics to shape

... tidewater glacier dynamics, we perform sensitivity tests using a moving- grid, depth-integrated, width-averaged numerical ice flow model (Vieli and Payne, 2005; Nick et ...water glacier behavior in ...

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Changes in glacier dynamics in the northern Antarctic Peninsula since 1985

Changes in glacier dynamics in the northern Antarctic Peninsula since 1985

... glaciers. Glacier-wide surface lowering was observed by various author groups ...the glacier changes is ...of glacier change. Therefore, we study the changes in glacier extent in combination ...

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Modelled glacier dynamics over the last quarter of a century at Jakobshavn Isbræ

Modelled glacier dynamics over the last quarter of a century at Jakobshavn Isbræ

... 6) caused a major decrease in resistive stresses near the ter- minus (Figs. 7 and S8). By 2004, the glacier had thinned significantly (Figs. 3 and 6) both near the front and further inland in response to a change ...

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Glacier dynamics, ice mass unloading and bedrock response in the southern Antarctic Peninsula

Glacier dynamics, ice mass unloading and bedrock response in the southern Antarctic Peninsula

... The sticky spots of high basal shear stress near the terminus of the FG in 2008 might be artefacts, but the possibility that this high friction area is a real feature due to some pinning points is not excluded. If the ...

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Atlantic Water advection vs. glacier dynamics in northern Spitsbergen since early deglaciation

Atlantic Water advection vs. glacier dynamics in northern Spitsbergen since early deglaciation

... a glacier-influenced fjord milieu to an open ocean setting; therefore, very sen- sitive glacier responses to minor changes in oceanic forcing are ...

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Glacier dynamics at Helheim and Kangerdlugssuaq glaciers, southeast Greenland, since the Little Ice Age

Glacier dynamics at Helheim and Kangerdlugssuaq glaciers, southeast Greenland, since the Little Ice Age

... To evaluate and assess the BOX cumulative SMB, we use model results from the RACMO2-model (Ettema et al., 2009) (Fig. 3). RACMO2 is a high-resolution limited- area model with physical processes adopted from the global ...

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Polar Ice Sheet and Glacier Studies – Indian Efforts in last Five Years

Polar Ice Sheet and Glacier Studies – Indian Efforts in last Five Years

... on glacier dynamics, sea ice, fluctuations of the continental ice margin and snouts of ...Spatiotemporal dynamics of surface melting over Antarctic was further studied by using moderate resolution ...

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Sensitivity of the dynamics of Pine Island Glacier, West Antarctica, to climate forcing for the next 50 years

Sensitivity of the dynamics of Pine Island Glacier, West Antarctica, to climate forcing for the next 50 years

... Island Glacier also report the large temporal variability of ocean heat and ocean-induced melting in this area (Dutrieux et ...of glacier dynamics, as a modest in- crease of 10 % in basal melting ...

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Revealing glacier flow and surge dynamics from animated satellite image sequences: examples from the Karakoram

Revealing glacier flow and surge dynamics from animated satellite image sequences: examples from the Karakoram

... flow dynamics, animated sequences of multiple satellite images reveal glacier dynamics in a time-lapse mode, making the otherwise slow changes of glacier movement visible and un- derstandable ...

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Mass changes of southern and northern inylchek glacier, Central Tian Shan, kyrgyzstan, during ∼1975 and 2007 derived from remote sensing data

Mass changes of southern and northern inylchek glacier, Central Tian Shan, kyrgyzstan, during ∼1975 and 2007 derived from remote sensing data

... Abstract. Glacier melt is an essential source of freshwa- ter for the arid regions surrounding the Tian ...about glacier volume and mass changes over the last decades is ...study, glacier area, ...

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Extracting recent short-term glacier velocity evolution over southern Alaska and the Yukon from a large collection of Landsat data

Extracting recent short-term glacier velocity evolution over southern Alaska and the Yukon from a large collection of Landsat data

... of glacier velocity fields us- ing repeat satellite imagery has become a standard method of cryospheric ...important glacier velocity variations on a large scale is still problematic because time series ...

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Glacio limnological interactions at lake calving glaciers

Glacio limnological interactions at lake calving glaciers

... Variables influencing calving glacier dynamics and controlling the terminus position include water depth at the ice margin; bed and valley topography; proglacial longitudinal backpressur[r] ...

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A multi parameter study of iceberg calving and the retreat of Haupapa/Tasman Glacier, South Island, New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Geography at Massey University, Palmer

A multi parameter study of iceberg calving and the retreat of Haupapa/Tasman Glacier, South Island, New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Geography at Massey University, Palmerston North, New Zealand

... between glacier dynamics and calving ...glaciological dynamics has emerged ...and glacier dynamics, providing a safe mechanism for quantifying the extent and mechanisms of calving at ...

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Surge dynamics and lake outbursts of Kyagar Glacier, Karakoram

Surge dynamics and lake outbursts of Kyagar Glacier, Karakoram

... the glacier (Meier and Post, ...the glacier typically experiences dramatic lengthening or thickening at the termi- nus with potentially hazardous consequences, in particular ice-dammed lake formation ...

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Surge dynamics on Bering Glacier, Alaska, in 2008–2011

Surge dynamics on Bering Glacier, Alaska, in 2008–2011

... reveal glacier dynamics throughout a complete surge cycle of the Bering Glacier ...system. Dynamics throughout this cycle show distinct similarities to surge cycles observed on much smaller ...

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Recent evolution and associated hydrological dynamics of a vanishing tropical Andean glacier: Glaciar de Conejeras, Colombia

Recent evolution and associated hydrological dynamics of a vanishing tropical Andean glacier: Glaciar de Conejeras, Colombia

... to glacier retreat, a decrease in water resources is expected in the long term as glaciers become ...Colombian glacier, Cone- jeras (Parque Nacional Natural de los Nevados) that has been monitored since ...

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Origin and dynamic significance of longitudinal structures (“flow stripes”) in the Antarctic Ice Sheet

Origin and dynamic significance of longitudinal structures (“flow stripes”) in the Antarctic Ice Sheet

... Movement in the Antarctic Ice Sheet is dominated by basal sliding in zones of rapid velocity (ice streams) and by deformation-dominated ice-sheet flow elsewhere (Rignot et al., 2011). Measured surface velocity starts to ...

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