Mathematics – Logic
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3123403s&link_type=abstract
Geophysical Research Letters, Volume 31, Issue 23, CiteID L23403
Mathematics
Logic
8
Hydrology: Glaciology (1863), Planetology: Solar System Objects: Comparative Planetology, Information Related To Geographic Region: Antarctica, Information Related To Geologic Time: Cenozoic
Scientific paper
Radio-echo sounding reveals a 10 km-long lake beneath ~3.4 km of ice near the Ellsworth Mountains in West Antarctica, 20 km from the ice divide. Subglacial Lake Ellsworth is located within a distinct topographic hollow, which is ~1.5 km deeper than the surrounding bed. Judging by bed slopes flanking the lake, the water depth is at least 10s of metres. Calculations of basal temperature reveal the ice base to be warm both now and during full glacial periods. As the environments of subglacial lakes are broadly similar, life may be expected in Lake Ellsworth as in any other. Given this, its physical characteristics, and the fact that the West Antarctic Ice Sheet has been accessed on several occasions, Lake Ellsworth is an excellent candidate for in situ examination.
Corr Hugh
Hindmarsh Richard
Joughin Ian
King Edward C.
Payne Antony J.
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