Results 21 to 30 of about 7,235 (213)

Detecting and Searching for subglacial lakes through airborne radio-echo sounding in Princess Elizabeth Land (PEL), Antarctica [PDF]

open access: yesE3S Web of Conferences, 2020
Over 400 subglacial lakes were discovered in Antarctica through radio-echo sounding (RES) method and remote sensing. Subglacial lakes have significance in lubricating ice-bedrock interface and enhancing ice flow.
Cui Xiangbin   +3 more
doaj   +1 more source

Potential subglacial lake locations and meltwater drainage pathways beneath the Antarctic and Greenland ice sheets [PDF]

open access: yesThe Cryosphere, 2013
We use the Shreve hydraulic potential equation as a simplified approach to investigate potential subglacial lake locations and meltwater drainage pathways beneath the Antarctic and Greenland ice sheets. We validate the method by demonstrating its ability
S. J. Livingstone   +3 more
doaj   +1 more source

Drainage and refill of an Antarctic Peninsula subglacial lake reveal an active subglacial hydrological network [PDF]

open access: yesThe Cryosphere, 2022
The presence of subglacial lakes and subglacial hydrological networks under the East and West Antarctic ice sheets is now relatively well understood, whilst their influence on ice dynamics is the subject of ongoing research.
D. A. Hodgson   +4 more
doaj   +1 more source

Active subglacial lakes and channelized water flow beneath the Kamb Ice Stream [PDF]

open access: yesThe Cryosphere, 2016
We identify two previously unknown subglacial lakes beneath the stagnated trunk of the Kamb Ice Stream (KIS). Rapid fill-drain hydrologic events over several months are inferred from surface height changes measured by CryoSat-2 altimetry and indicate ...
B.-H. Kim   +4 more
doaj   +1 more source

Exploring subglacial Antarctic lake environments [PDF]

open access: yesEos, Transactions American Geophysical Union, 2005
While subglacial lakes have been suspected, and speculated about, for more than 50 years, recent analyses of historical and new data have shown that liquid water environments are common beneath the vast Antarctic Ice Sheet. Airborne radar surveys have now documented more than 145 subglacial lakes, the largest being Lake Vostok located 4 km beneath the ...
Priscu, J. C.   +9 more
openaire   +4 more sources

DYNAMICS OF ICE SHEET SURFACE OVER SUBGLACIAL LAKES IN ANTARCTICA

open access: yesЛëд и снег, 2015
Progress in understanding cascades of subglacial lakes inAntarcticaand surface dynamics was derived using satellite laser altimetry measurements ICESat. The morphological and dynamical pattern troughs and swells indicate subglacial lakes and positions of
V. M. Kotlyakov   +4 more
doaj   +1 more source

A revised inventory of Antarctic subglacial lakes [PDF]

open access: yes, 2005
The locations and details of 145 Antarctic subglacial lakes are presented. The inventory is based on a former catalogue of lake-type features, which has been subsequently reanalysed, and on the results from three additional datasets.
Blankenship, Donald D.   +4 more
core   +1 more source

Seasonal variations in Greenland Ice Sheet motion : Inland extent and behaviour at higher elevations [PDF]

open access: yes, 2011
Peer ...
Bartholomew, I. D.   +6 more
core   +2 more sources

Physical and Chemical Controls on Habitats for Life in the Deep Subsurface Beneath Continents and Ice [PDF]

open access: yes, 2016
S.M. was funded by an STFC Aurora studentship (grant ST/1506102/1) and the NASA Astrobiology Institute Program on Foundations of Complex Life, Evolution, Preservation and Detection on Earth and Beyond (grant NNA13AA90A). J.P.
McMahon, Sean Hendry, Parnell, John
core   +1 more source

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