Ice formation in subglacial Lake Vostok, Central Antarctica

Details Ice formation in subglacial Lake Vostok, Central Antarctica Ice formation in subglacial Lake Vostok, Central Antarctica

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000e%26psl.181..529s&link_type=abstract

Earth and Planetary Science Letters, Volume 181, Issue 4, p. 529-538.

Computer Science

15

Scientific paper

The investigation of chemical and isotopic properties in the lake ice from the Vostok ice core gives clues to the mechanisms involved in ice formation within the lake. A small lake water salinity can be reasonably deduced from the chemical data. Possible implications for the water circulation of Lake Vostok are developed. The characteristics of the isotopic composition of the lake ice indicate that ice formation in Lake Vostok occurred by frazil ice crystal generation due to supercooling as a consequence of rising waters and a possible contrast in water salinity. Subsequent consolidation of the developed loose ice crystals results in the accretion of ice to the ceiling of the lake.

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