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Ice Sheet Mass Loss

Ice sheet mass loss caused by dust and black carbon accumulation

Ice sheet mass loss caused by dust and black carbon accumulation

... of ice sheets and ...the ice surface and cause a darker surface and therefore a lower ...the ice sur- face is currently not included in sea level projections, and the effect is ...cludes ice ...

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Time-evolving mass loss of the Greenland Ice Sheet from satellite altimetry

Time-evolving mass loss of the Greenland Ice Sheet from satellite altimetry

... Schrama, E. J. O. and Wouters, B.: Revisiting Greenland ice sheet mass loss observed by GRACE, J. Geophys. Res., 116, B02407, doi:10.1029/2009JB006847, 2011. Shepherd, A., Ivins, E. R., A., ...

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Probabilistic calibration of a Greenland Ice Sheet model using spatially resolved synthetic observations: toward projections of ice mass loss with uncertainties

Probabilistic calibration of a Greenland Ice Sheet model using spatially resolved synthetic observations: toward projections of ice mass loss with uncertainties

... of ice sheet behavior are impor- tant tools for projecting future sea level ...modern ice sheets generated by these models differ markedly as input parameters are ...accurate ice sheet ...

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The effect of overshooting 1.5 °C global warming  on the mass loss of the Greenland ice sheet

The effect of overshooting 1.5 °C global warming on the mass loss of the Greenland ice sheet

... Greenland ice sheet (GrIS) to sea-level change under the low emission Representative Concentration Pathway (RCP) ...The Ice Sheet System Model (ISSM) with higher-order approximation is used ...

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Reducing uncertainties in projections of Antarctic ice mass loss

Reducing uncertainties in projections of Antarctic ice mass loss

... of ice sheet mod- els to perform adequately when compared to AOGCMs, as fewer key processes are at ...SLR, ice flow models have to be evaluated on their ability of incor- porating grounding line ...

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Greenland ice sheet surface mass-balance variability:

Greenland ice sheet surface mass-balance variability:

... surface mass balance to its primary controls: temperature and ...surface mass balance, where both temperature and precipitation have ...total ice-sheet surface mass-balance trend, ...
Feasibility of improving a priori regional climate model estimates of Greenland ice sheet surface mass loss through assimilation of measured ice surface temperatures

Feasibility of improving a priori regional climate model estimates of Greenland ice sheet surface mass loss through assimilation of measured ice surface temperatures

... 4.3 Implementation The feasibility of the new DA system was evaluated via as- similation of IST as follows: a synthetically generated data stream was assimilated within an EnBS framework to assess the information content ...

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Simultaneous solution for mass trends on the West Antarctic Ice Sheet

Simultaneous solution for mass trends on the West Antarctic Ice Sheet

... separates mass and height change con- tributions from different processes, reproducing spatial fea- tures found in, for example, regional climate and GIA for- ward models, and provides an independent estimate ...

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The coupled GRACE/GIA evaluation of the Antarctic ice mass loss is unreliable

The coupled GRACE/GIA evaluation of the Antarctic ice mass loss is unreliable

... Antarctic ice thickness is not the raw GRACE signal, but the result of a double computation, one based on GRACE, the other completely ...top ice boundary position is computed from GRACE, then there is the ...

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Atmospheric river impacts on Greenland Ice Sheet surface mass balance

Atmospheric river impacts on Greenland Ice Sheet surface mass balance

... transport events using a conventional AR identification algorithm as well as a self-organizing map (SOM) classification applied to MERRA-2 data. We then analyze AR effects on the GrIS using melt data from passive ...

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Coupled regional climate–ice-sheet simulation shows limited Greenland ice loss during the Eemian

Coupled regional climate–ice-sheet simulation shows limited Greenland ice loss during the Eemian

... Greenland Ice Sheet vary ...climate–ice- sheet model, which includes physically realistic feedbacks between the changing ice sheet topography and climate forc- ...land Ice ...

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Reduced refreezing accelerates mass loss of northern Greenland glaciers and ice caps

Reduced refreezing accelerates mass loss of northern Greenland glaciers and ice caps

... bare ice albedo correction to reduce melt underestimates, especially on low-lying glacier ...PROMICE ice mask 22 , down-sampled to 1-km, to make the distinction between the contiguous ice ...

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An ice sheet model validation framework for the Greenland ice sheet

An ice sheet model validation framework for the Greenland ice sheet

... observed mass loss from Greenland with respect to the ob- ...underestimate ice flux in some important regions in our initial condition ...in ice flux, which are proportional to the initial ...

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Autonomous ice sheet surface mass balance measurements from cosmic rays

Autonomous ice sheet surface mass balance measurements from cosmic rays

... The rate then stayed between 2000 and 3000 cph through the end of the record. Corrections for solar activity, f i , and atmospheric pres- sure, f p , are shown in Fig. 3b. Approximately weekly vari- ations with an ...

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Estimation of the Greenland ice sheet surface mass balance for the 20th and 21st centuries

Estimation of the Greenland ice sheet surface mass balance for the 20th and 21st centuries

... Greenland ice sheet (GrIS) reveals that more than 97% of the interannual variability of the modelled Sur- face Mass Balance (SMB) can be explained by the GrIS summer temperature anomaly and the GrIS ...

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On the importance of the albedo parameterization for the mass balance of the Greenland ice sheet in EC-Earth

On the importance of the albedo parameterization for the mass balance of the Greenland ice sheet in EC-Earth

... in ice-sheet advance. Consequently, the height–mass balance effect results in an amplification of the initial ...the ice sheet predominantly loses its mass through iceberg ...

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Mass-conserving subglacial hydrology in the Parallel Ice Sheet Model version 0.6

Mass-conserving subglacial hydrology in the Parallel Ice Sheet Model version 0.6

... which is exactly elliptic pressure Eq. (2.12) of Schoof et al. (2012). They argue that a model based on Eq. (30) should accommodate the possibility of partially empty cavities with W < Y when P = 0. However, like ...

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Seasonal mass variations show timing and magnitude of meltwater storage in the Greenland Ice Sheet

Seasonal mass variations show timing and magnitude of meltwater storage in the Greenland Ice Sheet

... the mass budget in the territory of Greenland at various temporal and spatial ...of mass loss produced from CSR RL05 solu- tions with the new variant of the mascon approach with and without data ...

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Effect of higher-order stress gradients on the centennial mass evolution of the Greenland ice sheet

Effect of higher-order stress gradients on the centennial mass evolution of the Greenland ice sheet

... Greenland ice sheet to assess the ef- fects of marginal perturbations on volume changes on cen- tennial ...five ice dynamic formulations using different approximations to the force ...shallow ...

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Early Last Interglacial ocean warming drove substantial ice mass loss from Antarctica.

Early Last Interglacial ocean warming drove substantial ice mass loss from Antarctica.

... Antarctic ice sheet to rising temperatures remains highly ...Greenland Ice Sheet melt (∼2 m), ocean thermal expansion, and melting mountain glaciers (∼1 m), suggesting substantial Antarctic ...

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