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Ice sheet mass balance

A range correction for ICESat and its potential impact on ice-sheet mass balance studies

A range correction for ICESat and its potential impact on ice-sheet mass balance studies

... NASA’s Ice, Cloud and land Elevation Satellite (ICE- Sat) that degrades elevation precision and introduces a small but significant elevation trend over the ICESat mission pe- ...Filchner–Ronne ice ...

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Application of GRACE to the assessment of model-based estimates of monthly Greenland Ice Sheet mass balance (2003–2012)

Application of GRACE to the assessment of model-based estimates of monthly Greenland Ice Sheet mass balance (2003–2012)

... Greenland mass balance, our results indicate that consistent intra-annual variations, not explained by SMB, can accumu- late over time and contribute significant regional trends in mass ...and ...

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Antarctic surface hydrology and impacts on ice-sheet mass balance

Antarctic surface hydrology and impacts on ice-sheet mass balance

... meltwater could impact Antarctic mass balance: increased runoff, meltwater injection to 20.. the bed, and meltwater-induced ice-shelf fracture, all of which may contribute to future 21[r] ...

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Understanding Regional Ice Sheet Mass Balance: Remote Sensing, Regional Climate Models, and Deep Learning

Understanding Regional Ice Sheet Mass Balance: Remote Sensing, Regional Climate Models, and Deep Learning

... where ice boundaries appear clearly) with a resolution of 30 m, while for Landsat 7 and 8 we utilize the “panchromatic” band ...glacier ice front with a buffer of 300 m, an area we define using ice ...

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The impact of weather and climate variability upon estimates of ice-sheet mass balance from satellite radar altimeters

The impact of weather and climate variability upon estimates of ice-sheet mass balance from satellite radar altimeters

... of mass balance, described in section ...the mass balance of Greenland and Antarctica as a whole; although more regional investigations of the mass balance may well be hampered ...

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Greenland ice sheet surface mass-balance variability:

Greenland ice sheet surface mass-balance variability:

... RCMs have thus provided the spatial resolution needed to resolve the ablation zone, spatial closure needed for whole ice-sheet mass-balance assessments, and annually resolved results useful ...
Mass balance of the Greenland Ice Sheet from 1992 to 2018.

Mass balance of the Greenland Ice Sheet from 1992 to 2018.

... Greenland Ice Sheet mass balance. Rate of mass change (dM/dt) of the Greenland Ice Sheet as determined from the satellite-altimetry (red), input-output method (blue) and ...

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Autonomous ice sheet surface mass balance measurements from cosmic rays

Autonomous ice sheet surface mass balance measurements from cosmic rays

... Introduction Ice sheets and glaciers gain mass from the accumulation of snow and lose mass primarily from meltwater runoff and ice- berg calving, with smaller amounts from sublimation and ...

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Greenland surface mass-balance observations from the ice-sheet ablation area and local glaciers

Greenland surface mass-balance observations from the ice-sheet ablation area and local glaciers

... an ice core unrav- elling 100 a of accumulation history within one field season, the ablation zone requires 100 annual visits to a measuring site to obtain an ablation record of equal ...the ice ...

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Simulated Greenland Surface Mass Balance in the GISS ModelE2 GCM: Role of the Ice Sheet Surface

Simulated Greenland Surface Mass Balance in the GISS ModelE2 GCM: Role of the Ice Sheet Surface

... of ice sheet SMB is through the use of regional climate model (RCM) simulations, forced at the lateral boundaries with reanalysis or GCM outputs as direct observations of these quantities at these scales ...

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Surface mass balance downscaling through elevation classes in an Earth system model: application to the Greenland ice sheet

Surface mass balance downscaling through elevation classes in an Earth system model: application to the Greenland ice sheet

... Shepherd, A., Ivins, E. R., A, G., Barletta, V. R., Bentley, M. J., Bettadpur, S., Briggs, K. H., Bromwich, D. H., Forsberg, R., Galin, N., Horwath, M., Jacobs, S., Joughin, I., King, M. A., Lenaerts, J. T. M., Li, J., ...

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Reconstruction of the 1979–2006 Greenland ice sheet surface mass balance using the regional climate model MAR

Reconstruction of the 1979–2006 Greenland ice sheet surface mass balance using the regional climate model MAR

... Greenland ice sheet (GrIS) reveal an in- crease of solid precipitation ( + ...Surface Mass Bal- ance (SMB) loss of − ...overall ice sheet mass balance has been in- ...

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Estimation of the Sea Level Rise by 2100 Resulting from Changes in the Surface Mass Balance of the Greenland Ice Sheet

Estimation of the Sea Level Rise by 2100 Resulting from Changes in the Surface Mass Balance of the Greenland Ice Sheet

... Surface Mass Balance (SMB) can be seen, in first approximation, as the water mass gained by the winter snowfall accumulation minus the mass lost by the meltwater run-off in ...The mass ...

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Mass balance of the Antarctic Ice Sheet from 1992 to 2017

Mass balance of the Antarctic Ice Sheet from 1992 to 2017

... of ice sheet mass ...reported mass balance estimates of 14 ± 43 Gt/yr for the EAIS, -65 ± 26 Gt/yr for the WAIS, -20 ± 14 Gt/yr for the APIS, and -71 ± 53 Gt/yr for the ...

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Surface mass balance model intercomparison for the Greenland ice sheet

Surface mass balance model intercomparison for the Greenland ice sheet

... surface mass balance uncertainty may be smaller than previously thought due to variations in the native mask, and so we recommend the use of an accurate common mask for future modelling ...

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Coupling of climate models and ice sheet models by surface mass balance gradients: application to the Greenland Ice Sheet

Coupling of climate models and ice sheet models by surface mass balance gradients: application to the Greenland Ice Sheet

... in ice sheet to- pography and/or a change in climate ...an ice sheet. When applied to an asynchronous cou- pled ice sheet – climate model setup, this method circum- vents ...

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Coupling of climate models and ice sheet models by surface mass balance gradients: application to the Greenland Ice Sheet

Coupling of climate models and ice sheet models by surface mass balance gradients: application to the Greenland Ice Sheet

... cal ice thickness, and consists of 15 layers with increasing resolution near the bed, to accurately take into account the large gradient in ice velocity near the ...the ice to slide over its bed, by ...

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Towards a re-assessment of the surface mass balance of the Greenland ice sheet

Towards a re-assessment of the surface mass balance of the Greenland ice sheet

... the mass balance and especially the surface mass bal- ance of the Greenland Ice Sheet (GrIS) are poorly ...surface mass balance as well as the inherent uncertainties are ...

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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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Recent ice dynamic and surface mass balance of Union Glacier in the West Antarctic Ice Sheet

Recent ice dynamic and surface mass balance of Union Glacier in the West Antarctic Ice Sheet

... Antarctic Ice Sheet (WAIS), a major outlet glacier within the Ellsworth ...Ronne Ice Shelf, where recent mod- els have indicated the potential for significant grounding line zone (GLZ) migrations in ...

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