Thermo-mechanically coupled ice-sheet response — cold, polythermal, temperate
نویسندگان
چکیده
منابع مشابه
Modes of Operation of Thermo - Mechanically Coupled Ice Sheets
MODES OF OPERATION OF THERMO-MECHANICALLY COUPLED ICE
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Introduction Conclusions References Tables Figures
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Polythermal ice sheets and glaciers contain both cold ice and temperate ice. We present two new models to describe the temperature and water content of such ice masses, accounting for the possibility of gravityand pressure-driven water drainage according to Darcy’s law. Both models are based on the principle of energy conservation; one additionally invokes the theory of viscous compaction to ca...
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The ice sheets of Greenland and Antarctica are losing ice at accelerating rates, much of which is a response to oceanic forcing, especially of the floating ice shelves. Recent observations establish a clear correspondence between the increased delivery of oceanic heat to the ice-sheet margin and increased ice loss. In Antarctica, most of these processes are reasonably well understood but have n...
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[1] We investigate the stability of marine ice sheets by coupling a gravitationally self-consistent sea level model valid for a self-gravitating, viscoelastically deforming Earth to a 1-D marine ice sheet-shelf model. The evolution of the coupled model is explored for a suite of simulations in which we vary the bed slope and the forcing that initiates retreat. We find that the sea level fall at...
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ژورنال
عنوان ژورنال: Journal of Glaciology
سال: 1993
ISSN: 0022-1430,1727-5652
DOI: 10.3189/s0022143000015720