[PDF] Top 20 Ice shelf fracture parameterization in an ice sheet model
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Ice shelf fracture parameterization in an ice sheet model
... of ice discharge from Greenland and Antarctica in recent decades (Shepherd et ...from ice shelf basal melting (Rignot et ...from ice shelves that are in negative mass balance under the present ... See full document
12
Marine ice sheet instability and ice shelf buttressing of the Minch ice stream, Northwest Scotland
... marine ice sheets. The last deglaciation of the British–Irish Ice Sheet offers a valu- able example to examine these ...Minch Ice Stream, which drained a large proportion of ice from ... See full document
18
Modelled fracture and calving on the Totten Ice Shelf
... Totten Ice Shelf (IS) has a large drainage basin, much of which is grounded below sea level, leaving the glacier vulnerable to retreat through the marine ice sheet instability ...The ... See full document
11
Hydrostatic grounding line parameterization in ice sheet models
... SSA model and unstructured uniform isotropic ...Sub-element parameterization allows grounding line position to be anywhere within an ele- ment, but the shape of the grounding line is still ... See full document
13
Marine ice sheet instability and ice shelf buttressing of the Minch Ice Stream, northwest Scotland
... continental shelf edge to the highlands within 8000 model years ...in ice volume would be expected given a simple climate forcing (Harrison et ...the ice stream during the RETREAT simulation ... See full document
17
Kinematic response of ice-rise divides to changes in ocean and atmosphere forcing
... our ice-sheet model on the Ekström Ice Shelf catchment, we aim to introduce commonly employed initial- isation techniques in large-scale ice-sheet modelling to ice- ... See full document
19
Parameterization for subgrid-scale motion of ice-shelf calving fronts
... subgrid parameterization of ice-shelf-front motion implicates the handling of residual ice-volume increments that arise from the restriction R ≤ 1 of the ice coverage ra- ...both ... See full document
10
Ocean-driven millennial-scale variability of the Eurasian ice sheet during the last glacial period simulated with a hybrid ice-sheet–shelf model
... Eurasian ice sheet (EIS) during the LGP has received comparatively less attention from a modeling per- ...the ice sheets surrounding the Nordic seas is often implied as a cause of ocean instabil- ... See full document
23
Response to Filchner–Ronne Ice Shelf cavity warming in a coupled ocean–ice sheet model – Part 1: The ocean perspective
... Acknowledgements. We would like to thank Klaus Grosfeld, Hartmut Hellmer, Rachael Mueller, Dmitry Sidorenko, and Qiang Wang for helpful discussions; Sina Löschke for supplying the illustration of Weddell Sea ... See full document
12
Massive subsurface ice formed by refreezing of ice-shelf melt ponds
... dense ice will exert some influence on ice shelf flow and ...the ice-shelf scale is not ...warmer ice layer we identify will be less viscous than colder ice, and this may go ... See full document
6
Parameterization of basal friction near grounding lines in a one-dimensional ice sheet model
... marine ice sheets at much lower computational expense than would be required with traditional friction ...whole ice sheets, since ∼ 1 km resolution throughout the ice sheet is feasible (though ... See full document
21
Simulated dynamic regrounding during marine ice sheet retreat
... Marine-terminating ice sheets are of interest due to their potential instability, making them vulnerable to rapid ...and ice streams in such regions is key to understanding their possible con- tribution to ... See full document
12
Antarctic sub-shelf melt rates via PICO
... PICO model presented here provides a physics-based yet efficient approach for estimating the ocean circulation be- low ice shelves and the heat provided for ice-shelf ...The model ... See full document
17
Description of a hybrid ice sheet-shelf model, and application to Antarctica
... At each time step, an outer iteration is performed that solves for SSA and SIA velocities, updates ice thicknesses for half of the time step, and re-solves the velocities using the new ice thicknesses, ... See full document
23
Experimental design for three interrelated marine ice sheet and ocean model intercomparison projects: MISMIP v. 3 (MISMIP (ISOMIP v. 2 (ISOMIP) and MISOMIP v. 1 (MISOMIP1)
... idealized ice-sheet ...and ice-sheet components led to steepening of the ice draft near the grounding line and strong melting in a channel on the western flank of the ice ... See full document
27
The internal structure of the Brunt Ice Shelf from ice-penetrating radar analysis and implications for ice shelf fracture
... speed model for the ice shelf using multiple common mid-point determinations was beyond the scope of the ...water ice wave speed of ...the ice shelf where most of that thickness ... See full document
12
Simulation of the Greenland Ice Sheet over two glacial–interglacial cycles: investigating a sub-ice- shelf melt parameterization and relative sea level forcing in an ice-sheet–ice-shelf model
... global ice sheets to global mean sea level (GMSL) during the Last Interglacial (LIG; 130–115 ka BP) is still largely ...from ice-sheet modelling- based studies of the contribution to the LIG ... See full document
17
An improved Antarctic dataset for high resolution numerical ice sheet models (ALBMAP v1)
... main ice shelves ...sub ice-shelf bathymetry in ...sub ice-shelf bathymetry values that caused many ice shelves to ...sub ice-shelf ...the ice shelves float ... See full document
14
The sensitivity of the Greenland Ice Sheet to glacial–interglacial oceanic forcing
... hybrid ice-sheet–shelf model including a parameterization of the basal melting rate at the GrIS marine margins, the model simulates the evolution of the whole ice ... See full document
18
Brief communication: widespread potential for seawater infiltration on Antarctic ice shelves
... e.g. ice shelf thickness, commonly used in ice sheet mass flux studies, or detection of basal marine ice ...an ice shelf can also potentially affect iceberg calving rates ... See full document
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