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Brief communication: Subglacial lake drainage beneath Isunguata Sermia, West Greenland: Geomorphic and ice dynamic effects

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Brief communication : Subglacial lake drainage beneath Isunguata Sermia, West Greenland: Geomorphic and ice dynamic effects. / Livingstone, S.J.; Sole, A.J.; Storrar, R.D.; Harrison, D.; Ross, N.; Bowling, J.

In: Cryosphere, Vol. 13, No. 10, 29.10.2019, p. 2789-2796.

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Livingstone, S.J. ; Sole, A.J. ; Storrar, R.D. ; Harrison, D. ; Ross, N. ; Bowling, J. / Brief communication : Subglacial lake drainage beneath Isunguata Sermia, West Greenland: Geomorphic and ice dynamic effects. In: Cryosphere. 2019 ; Vol. 13, No. 10. pp. 2789-2796.

Bibtex

@article{5ba95ace772d4f6ebf9a77bbbf8fe6c8,
title = "Brief communication: Subglacial lake drainage beneath Isunguata Sermia, West Greenland: Geomorphic and ice dynamic effects",
abstract = "We report three active subglacial lakes within 2 km of the lateral margin of Isunguata Sermia, West Greenland, identified by differencing time-stamped ArcticDEM strips. Each lake underwent one drainage–refill event between 2009 and 2017, with two lakes draining in < 1 month in August 2014 and August 2015. The 2015 drainage caused a ∼ 1-month down-glacier slowdown in ice flow and flooded the foreland, aggrading the proglacial channel by 8 m. The proglacial flooding confirms the ice-surface elevation anomalies as subglacial water bodies and demonstrates how their drainage can significantly modify proglacial environments. These subglacial lakes offer accessible targets for geophysical investigations and exploration.",
author = "S.J. Livingstone and A.J. Sole and R.D. Storrar and D. Harrison and N. Ross and J. Bowling",
note = "Export Date: 13 November 2019",
year = "2019",
month = oct,
day = "29",
doi = "10.5194/tc-13-2789-2019",
language = "English",
volume = "13",
pages = "2789--2796",
journal = "Cryosphere",
issn = "1994-0416",
publisher = "Copernicus Gesellschaft mbH",
number = "10",

}

RIS

TY - JOUR

T1 - Brief communication

T2 - Subglacial lake drainage beneath Isunguata Sermia, West Greenland: Geomorphic and ice dynamic effects

AU - Livingstone, S.J.

AU - Sole, A.J.

AU - Storrar, R.D.

AU - Harrison, D.

AU - Ross, N.

AU - Bowling, J.

N1 - Export Date: 13 November 2019

PY - 2019/10/29

Y1 - 2019/10/29

N2 - We report three active subglacial lakes within 2 km of the lateral margin of Isunguata Sermia, West Greenland, identified by differencing time-stamped ArcticDEM strips. Each lake underwent one drainage–refill event between 2009 and 2017, with two lakes draining in < 1 month in August 2014 and August 2015. The 2015 drainage caused a ∼ 1-month down-glacier slowdown in ice flow and flooded the foreland, aggrading the proglacial channel by 8 m. The proglacial flooding confirms the ice-surface elevation anomalies as subglacial water bodies and demonstrates how their drainage can significantly modify proglacial environments. These subglacial lakes offer accessible targets for geophysical investigations and exploration.

AB - We report three active subglacial lakes within 2 km of the lateral margin of Isunguata Sermia, West Greenland, identified by differencing time-stamped ArcticDEM strips. Each lake underwent one drainage–refill event between 2009 and 2017, with two lakes draining in < 1 month in August 2014 and August 2015. The 2015 drainage caused a ∼ 1-month down-glacier slowdown in ice flow and flooded the foreland, aggrading the proglacial channel by 8 m. The proglacial flooding confirms the ice-surface elevation anomalies as subglacial water bodies and demonstrates how their drainage can significantly modify proglacial environments. These subglacial lakes offer accessible targets for geophysical investigations and exploration.

U2 - 10.5194/tc-13-2789-2019

DO - 10.5194/tc-13-2789-2019

M3 - Journal article

VL - 13

SP - 2789

EP - 2796

JO - Cryosphere

JF - Cryosphere

SN - 1994-0416

IS - 10

ER -