Seasonal velocity patterns provide insights for the soft-bed subglacial hydrology continuum [PDF]
Communications Earth & EnvironmentSubglacial hydrology plays an important role in controlling glacier behaviour, influencing glacier retreat and the resulting contributions to sea level rise.
Nathaniel Baurley +2 more
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Subglacial hydrology and the formation of ice streams [PDF]
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2014 Antarctic ice streams are associated with pressurized subglacial meltwater but the role this water plays in the dynamics of the streams is not known. To address this, we present a model of subglacial water flow below ice sheets, and particularly below ice streams.
Richard Katz, A C Fowler
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Estimating effective pressures in active subglacial lakes with ICESat-2 satellite altimetry [PDF]
Journal of GlaciologyThe difference between the ice and water pressures, or the effective pressure, influences water flow and sliding at the ice-bed interface. Effective pressure is typically quantified with subglacial hydrology models because direct measurements of the ...
Aaron Stubblefield +3 more
doaj +2 more sources
Accelerating Subglacial Hydrology for Ice Sheet Models With Deep Learning Methods
Geophysical Research LettersSubglacial drainage networks regulate the response of ice sheet flow to surface meltwater input to the subglacial environment. Simulating subglacial hydrology evolution is critical to projecting ice sheet sensitivity to climate, and contribution to sea ...
Vincent Verjans, Alexander Robel
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Geophysical Research LettersThe seasonal evolution of the subglacial drainage system is a critical control on velocity variations of Greenland marine‐terminating glaciers.
A. Jenson +4 more
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The past, present, and future evolution of Aurora Subglacial Basin’s subglacial drainage system [PDF]
Nature CommunicationsAurora Subglacial Basin (ASB) in East Antarctica is among the most rapidly changing regions in Antarctica. Beneath the ASB, subglacial drainage networks allow for fast ice flow and facilitate mass losses by eroding the coastal ice shelves.
Anna-Mireilla Hayden +2 more
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Observing the subglacial hydrology network and its dynamics with a dense seismic array [PDF]
Proceedings of the National Academy of Sciences of the United States of America, 2021 Ugo Nanni +2 more
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Geophysical Research LettersTwo outstanding questions for the future of the Greenland Ice Sheet are (a) how enhanced meltwater draining beneath the ice will impact the behavior of large tidewater glaciers, and (b) to what extent tidewater glacier velocity is driven by changes at ...
Mathieu Morlighem +2 more
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Surging of a Hudson Strait-scale ice stream: subglacial hydrology matters but the process details mostly do not [PDF]
The Cryosphere, 2023 While subglacial hydrology is known to play a role in glacial dynamics on sub-annual to decadal scales, it remains unclear whether subglacial hydrology plays a critical role in ice sheet evolution on centennial or longer timescales.
M. Drew, L. Tarasov
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Sensitivity of subglacial drainage to water supply distribution at the Kongsfjord basin, Svalbard [PDF]
The Cryosphere, 2021 By regulating the amount, the timing, and the location of meltwater supply to the glacier bed, supraglacial hydrology potentially exerts a major control on the evolution of the subglacial drainage system, which in turn modulates ice velocity.
C. Scholzen, T. V. Schuler, A. Gilbert
doaj +1 more source