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Tidewater glacier

Effect of near terminus subglacial hydrology on tidewater glacier submarine melt rates

Effect of near terminus subglacial hydrology on tidewater glacier submarine melt rates

... the glacier is varied between the end-members of a “distributed” and “channelized” subglacial hydrological system, focusing on the effect of this variation on submarine ...for tidewater glacier ...at ...

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Basal dynamics of Kronebreen, a fast flowing tidewater glacier in Svalbard : non local spatio temporal response to water input

Basal dynamics of Kronebreen, a fast flowing tidewater glacier in Svalbard : non local spatio temporal response to water input

... Island Glacier, ...behind glacier sliding and improving treatment of a variable sliding law in ...fast-flowing tidewater glacier in Svalbard, to get an under- standing of the spatio-temporal ...

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Rapidly changing subglacial hydrological pathways at a tidewater glacier revealed through simultaneous observations of water pressure, supraglacial lakes, meltwater plumes and surface velocities

Rapidly changing subglacial hydrological pathways at a tidewater glacier revealed through simultaneous observations of water pressure, supraglacial lakes, meltwater plumes and surface velocities

... at tidewater glaciers remain poorly understood due to the difficulty in obtaining direct measurements and lack of empirical veri- fication for modelling ...fast-flowing tidewater glacier in Svalbard ...

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Rapidly changing subglacial hydrological pathways at a tidewater glacier revealed through simultaneous observations of water pressure, supraglacial lakes, meltwater plumes and surface velocities

Rapidly changing subglacial hydrological pathways at a tidewater glacier revealed through simultaneous observations of water pressure, supraglacial lakes, meltwater plumes and surface velocities

... at tidewater glaciers remain poorly understood due to the difficulty in obtaining direct measurements and lack of empirical veri- fication for modelling ...fast-flowing tidewater glacier in Svalbard ...

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Estimating Greenland tidewater glacier retreat driven by submarine melting

Estimating Greenland tidewater glacier retreat driven by submarine melting

... land’s tidewater glacier calving fronts is thought to be a key driver of widespread glacier retreat, dynamic mass loss and sea level contribution from the ice ...parameterizing tidewater ...

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Terminus-driven retreat of a major southwest Greenland tidewater glacier during the early 19th century: insights from glacier reconstructions and numerical modelling

Terminus-driven retreat of a major southwest Greenland tidewater glacier during the early 19th century: insights from glacier reconstructions and numerical modelling

... ABSTRACT. Tidewater glaciers in Greenland experienced widespread retreat during the last ...of tidewater glacier terminus response following the ...Modelled glacier sensitivity to submarine ...

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Effect of near-terminus subglacial hydrology on tidewater glacier submarine melt rates

Effect of near-terminus subglacial hydrology on tidewater glacier submarine melt rates

... The results of this study suggest that the configuration of the near-terminus subglacial hydrological system is an important factor controlling tidewater glacier submarine melt rates. For a fixed total ...

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Spatially distributed runoff at the grounding line of a large Greenlandic tidewater glacier inferred from plume modelling

Spatially distributed runoff at the grounding line of a large Greenlandic tidewater glacier inferred from plume modelling

... Greenlandic tidewater glaciers is of great importance if we are to predict how these glaciers will respond to climatic ...of tidewater glacier processes is the near-terminus subglacial ...drive ...

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A model for tidewater glacier undercutting by submarine melting

A model for tidewater glacier undercutting by submarine melting

... Abstract Dynamic change at the marine-terminating margins of the Greenland Ice Sheet may be initiated by the ocean, particularly where subglacial runoff drives vigorous ice-marginal plumes and rapid submarine melting. ...

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Fluctuations of a Greenlandic tidewater glacier driven by changes in atmospheric forcing: observations and modelling of Kangiata Nunaata Sermia, 1859-present

Fluctuations of a Greenlandic tidewater glacier driven by changes in atmospheric forcing: observations and modelling of Kangiata Nunaata Sermia, 1859-present

... Utilising multiple lines of evidence, it has been possible to reconstruct terminus fluctuations of KNS from 1859 to 2012. This study therefore completes the record of terminus fluctu- ations of KNS from its LIA maximum, ...

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Large spatial variations in the flux balance along the front of a Greenland tidewater glacier

Large spatial variations in the flux balance along the front of a Greenland tidewater glacier

... the glacier front (space- and time-averaged over all avail- able fields) is ∼ 350 m yr −1 with minima at the edges of the glacier. There is a notable peak in time-mean ice veloc- ity (up to 750 m yr −1 ) ...

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Multiple Late Holocene surges of a High Arctic tidewater glacier system in Svalbard

Multiple Late Holocene surges of a High Arctic tidewater glacier system in Svalbard

... Nathorstbreen, DKB = Doktorbreen, DWB = Dobrowolskibreen, LSB = Liestølbreen, PKB = Polakkbreen, ZWB = Zawadzkibreen. Photograph acquired from the Norwegian Polar Institute (NPI) TopoSvalbard online archive ...

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Buoyant forces promote tidewater glacier iceberg calving through large basal stress concentrations

Buoyant forces promote tidewater glacier iceberg calving through large basal stress concentrations

... that glacier geometries that did not result in calving in Elmer/Ice via crevasse depth calv- ing laws still produced large full-depth calving event when exported into HiDEM, a model representing glacier ice ...

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Tidewater glacier surges initiated at the terminus

Tidewater glacier surges initiated at the terminus

... of tidewater glaciers observed in Greenland and elsewhere (Howat et ...two tidewater glaciers in western ...and tidewater glaciers can be explained within the single conceptual framework of enthalpy ...

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Multisensor validation of tidewater glacier flow fields derived from synthetic aperture radar (SAR) intensity tracking

Multisensor validation of tidewater glacier flow fields derived from synthetic aperture radar (SAR) intensity tracking

... UAV-derived velocity field was first projected into the line- of-sight direction relative to the TRI’s position, resampling the data onto the same grid. The comparison of these pro- jected estimates and the ...

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Debris entrainment and landform genesis during tidewater glacier surges

Debris entrainment and landform genesis during tidewater glacier surges

... Several surge landsystems have been proposed based on observations at a number of surge-type glaciers [e.g., Evans and Rea, 1999; Ottesen and Dowdeswell, 2006; Roberts et al., 2009; Brynjólfsson et al., 2012]. A great ...

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The sensitivity of flowline models of tidewater glaciers to parameter uncertainty

The sensitivity of flowline models of tidewater glaciers to parameter uncertainty

... fast-flowing tidewater glaciers and predict change because the continuous grounding line track- ing, high horizontal resolution, and physically based calving criterion that are essential to realistic modeling of ...

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Storm-induced water dynamics and thermohaline structure at the tidewater Flade Isblink Glacier outlet to the Wandel Sea (NE Greenland)

Storm-induced water dynamics and thermohaline structure at the tidewater Flade Isblink Glacier outlet to the Wandel Sea (NE Greenland)

... FIIC glacier tongue in August ...the glacier, and Bendtsen et ...the tidewater glacier and cool to the freezing temperature through heat loss to the glacial ...the glacier are not ...

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Deriving mass balance and calving variations from reanalysis data and sparse observations, Glaciar San Rafael, northern Patagonia, 1950–2005

Deriving mass balance and calving variations from reanalysis data and sparse observations, Glaciar San Rafael, northern Patagonia, 1950–2005

... northernmost tidewater glacier in the Southern Hemisphere, are reconstructed over the period 1950–2005 using NCEP- NCAR reanalysis climate data together with sparse, local historical observations of air ...

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Calving rates at tidewater glaciers vary strongly with ocean temperature

Calving rates at tidewater glaciers vary strongly with ocean temperature

... on glacier dynamics, nor reduced by the onset of glacier surface freeze-up, but closely follow the temperature of the fjord waters at ...any glacier where it can match or outpace the delivery of ice ...

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