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Subglacial Lake Vostok not expected to discharge water. / Richter, Andreas; Popov, Sergey V.; Schröder, Ludwig; Schwabe, Joachim; Ewert, Heiko; Scheinert, Mirko; Horwath, Martin; Dietrich, Reinhard.

In: Geophysical Research Letters, Vol. 41, No. 19, 16.10.2014, p. 6772-6778.

Research output: Contribution to journal › Article › peer-review

Harvard

Richter, A, Popov, SV, Schröder, L, Schwabe, J, Ewert, H, Scheinert, M, Horwath, M & Dietrich, R 2014, 'Subglacial Lake Vostok not expected to discharge water', Geophysical Research Letters, vol. 41, no. 19, pp. 6772-6778. https://doi.org/10.1002/2014GL061433

APA

Richter, A., Popov, S. V., Schröder, L., Schwabe, J., Ewert, H., Scheinert, M., Horwath, M., & Dietrich, R. (2014). Subglacial Lake Vostok not expected to discharge water. Geophysical Research Letters, 41(19), 6772-6778. https://doi.org/10.1002/2014GL061433

Vancouver

Richter A, Popov SV, Schröder L, Schwabe J, Ewert H, Scheinert M et al. Subglacial Lake Vostok not expected to discharge water. Geophysical Research Letters. 2014 Oct 16;41(19):6772-6778. https://doi.org/10.1002/2014GL061433

Author

Richter, Andreas ; Popov, Sergey V. ; Schröder, Ludwig ; Schwabe, Joachim ; Ewert, Heiko ; Scheinert, Mirko ; Horwath, Martin ; Dietrich, Reinhard. / Subglacial Lake Vostok not expected to discharge water. In: Geophysical Research Letters. 2014 ; Vol. 41, No. 19. pp. 6772-6778.

BibTeX

@article{8710c1677e1447d09956f9469fc6ee9e,
title = "Subglacial Lake Vostok not expected to discharge water",
abstract = "The question whether Antarctica's largest lake, subglacial Lake Vostok, exchanges water is of interdisciplinary relevance but has been undecided so far. We present the potential pathway, outlet location, and threshold height of subglacial water discharge from this lake based on a quantitative evaluation of the fluid potential. If water left Lake Vostok, it would flow toward Ross Ice Shelf. Discharge would occur first to the east of the southern tip of the lake. At this location the bedrock threshold is 91 ± 23 m higher than the hydrostatic equipotential level of Lake Vostok. It is concluded that Lake Vostok is not likely to reach this level within climatic timescales and that no discharge of liquid water is to be expected. We show that in absence of the ice sheet the Lake Vostok depression would harbor a lake significantly deeper and larger than the present aquifer. Key Points Lake Vostok is not expected to discharge liquid water in climatic timescalesDischarge would lead from east of the lake's southern tip to Ross Ice ShelfLake Vostok would be significantly deeper and larger without ice sheet",
keywords = "Antarctica, glaciology, subglacial hydrology, subglacial lake",
author = "Andreas Richter and Popov, {Sergey V.} and Ludwig Schr{\"o}der and Joachim Schwabe and Heiko Ewert and Mirko Scheinert and Martin Horwath and Reinhard Dietrich",
year = "2014",
month = oct,
day = "16",
doi = "10.1002/2014GL061433",
language = "English",
volume = "41",
pages = "6772--6778",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "American Geophysical Union",
number = "19",

}

RIS

TY - JOUR

T1 - Subglacial Lake Vostok not expected to discharge water

AU - Richter, Andreas

AU - Popov, Sergey V.

AU - Schröder, Ludwig

AU - Schwabe, Joachim

AU - Ewert, Heiko

AU - Scheinert, Mirko

AU - Horwath, Martin

AU - Dietrich, Reinhard

PY - 2014/10/16

Y1 - 2014/10/16

N2 - The question whether Antarctica's largest lake, subglacial Lake Vostok, exchanges water is of interdisciplinary relevance but has been undecided so far. We present the potential pathway, outlet location, and threshold height of subglacial water discharge from this lake based on a quantitative evaluation of the fluid potential. If water left Lake Vostok, it would flow toward Ross Ice Shelf. Discharge would occur first to the east of the southern tip of the lake. At this location the bedrock threshold is 91 ± 23 m higher than the hydrostatic equipotential level of Lake Vostok. It is concluded that Lake Vostok is not likely to reach this level within climatic timescales and that no discharge of liquid water is to be expected. We show that in absence of the ice sheet the Lake Vostok depression would harbor a lake significantly deeper and larger than the present aquifer. Key Points Lake Vostok is not expected to discharge liquid water in climatic timescalesDischarge would lead from east of the lake's southern tip to Ross Ice ShelfLake Vostok would be significantly deeper and larger without ice sheet

AB - The question whether Antarctica's largest lake, subglacial Lake Vostok, exchanges water is of interdisciplinary relevance but has been undecided so far. We present the potential pathway, outlet location, and threshold height of subglacial water discharge from this lake based on a quantitative evaluation of the fluid potential. If water left Lake Vostok, it would flow toward Ross Ice Shelf. Discharge would occur first to the east of the southern tip of the lake. At this location the bedrock threshold is 91 ± 23 m higher than the hydrostatic equipotential level of Lake Vostok. It is concluded that Lake Vostok is not likely to reach this level within climatic timescales and that no discharge of liquid water is to be expected. We show that in absence of the ice sheet the Lake Vostok depression would harbor a lake significantly deeper and larger than the present aquifer. Key Points Lake Vostok is not expected to discharge liquid water in climatic timescalesDischarge would lead from east of the lake's southern tip to Ross Ice ShelfLake Vostok would be significantly deeper and larger without ice sheet

KW - Antarctica

KW - glaciology

KW - subglacial hydrology

KW - subglacial lake

UR - http://www.scopus.com/inward/record.url?scp=84911366086&partnerID=8YFLogxK

U2 - 10.1002/2014GL061433

DO - 10.1002/2014GL061433

M3 - Article

AN - SCOPUS:84911366086

VL - 41

SP - 6772

EP - 6778

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 19

ER -

ID: 36670295