Deep Lake (Vestfold Hills, Antarctica) Explained
| Deep Lake |
| Location: | Antarctica |
| Coordinates: | -68.56°N 78.1958°W |
| Type: | lake |
| Pushpin Map: | Antarctica |
| Pushpin Map Alt: | Location of Deep Lake in Antarctica. |
Deep Lake is a small hypersaline lake in the Vestfold Hills region of Antarctica.[1]
Deep Lake's surface temperature on average ranges from -16 to 12 °C, with only a few meters at the lake's surface exceeding 0 °C for a few months of the year during the austral summer. Lake water temperatures can fall as low as -20 °C in winter, however the lake's water column is able to remain free of ice year-around due to the high salinity (~270 g/L) of the lake water. The archaeon Halorubrum lacusprofundi was first isolated from Deep Lake in the 1980s and is the first archaea domain member to be isolated from a cold environment.[2] [3] It has a max depth of 360NaN0.[4]
Notes and References
- Shih . Ivy . The cold case of Deep Lake . Lateral Magazine . 1 February 2016 . 7 . 30 November 2023.
- Franzmann PD, Stacklebrandt E, Sanderson K, Volkman JK, Camberon DE, Stevenson PL, McMeekin TA, Burton HR . 1988 . Halobacterium lacusprofundii sp. nov., a halophilic bacterium isolated from Deep Lake, Antarctica . Systematic and Applied Microbiology . 11 . 1 . 20–27 . 10.1016/S0723-2020(88)80044-4 .
- DeMaere . Matthew Z. . Williams . Timothy J. . Allen . Michelle A. . Brown . Mark V. . Gibson . John A. E. . Rich . John . Lauro . Federico M. . Dyall-Smith . Michael . Davenport . Karen W. . Woyke . Tanja . Kyrpides . Nikos C. . Tringe . Susannah G. . Cavicchioli . Ricardo . High level of intergenera gene exchange shapes the evolution of haloarchaea in an isolated Antarctic lake . Proceedings of the National Academy of Sciences . 110 . 42 . 30 September 2013 . 0027-8424 . 10.1073/pnas.1307090110 . 16939–16944 . 24082106 . 3801024 . "From DL, Halorubrum lacusprofundi, the first member of the Archaea domain isolated from a cold environment (11), has been formally described.". free .
- Williams . Timothy J . Allen . Michelle A . DeMaere . Matthew Z . Kyrpides . Nikos C . Tringe . Susannah G . Woyke . Tanja . Cavicchioli . Ricardo . Microbial ecology of an Antarctic hypersaline lake: genomic assessment of ecophysiology among dominant haloarchaea . The ISME Journal . Springer Science and Business Media LLC . 8 . 8 . 20 February 2014 . 1751-7362 . 10.1038/ismej.2014.18 . 1645–1658. 24553470 . 4817606 . free .
