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Distribution and dynamics of Greenland subglacial lakes

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Distribution and dynamics of Greenland subglacial lakes. / Bowling, Jade; Livingstone, Stephen; Sole, Andrew et al.
In: Nature Communications, Vol. 10, No. 1, 2810, 26.06.2019.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Bowling, J, Livingstone, S, Sole, A & Chu, W 2019, 'Distribution and dynamics of Greenland subglacial lakes', Nature Communications, vol. 10, no. 1, 2810. https://doi.org/10.1038/s41467-019-10821-w

APA

Bowling, J., Livingstone, S., Sole, A., & Chu, W. (2019). Distribution and dynamics of Greenland subglacial lakes. Nature Communications, 10(1), Article 2810. https://doi.org/10.1038/s41467-019-10821-w

Vancouver

Bowling J, Livingstone S, Sole A, Chu W. Distribution and dynamics of Greenland subglacial lakes. Nature Communications. 2019 Jun 26;10(1):2810. doi: 10.1038/s41467-019-10821-w

Author

Bowling, Jade ; Livingstone, Stephen ; Sole, Andrew et al. / Distribution and dynamics of Greenland subglacial lakes. In: Nature Communications. 2019 ; Vol. 10, No. 1.

Bibtex

@article{1623ecc9cccb4917a75acd146aab227a,
title = "Distribution and dynamics of Greenland subglacial lakes",
abstract = "Few subglacial lakes have been identified beneath the Greenland Ice Sheet (GrIS) despite extensive documentation in Antarctica, where periodic release of water can impact ice flow. Here we present an ice-sheet-wide survey of Greenland subglacial lakes, identifying 54 candidates from airborne radio-echo sounding, and 2 lakes from ice-surface elevation changes. These range from 0.2–5.9 km in length, and are mostly distributed away from ice divides, beneath relatively slow-moving ice. Based on our results and previous observations, we suggest three zones of formation: stable lakes in northern and eastern regions above the Equilibrium Line Altitude (ELA) but away from the interior; hydrologically-active lakes near the ELA recharged by surface meltwater and; small, seasonally-active lakes below the ELA, which form over winter and drain during the melt season. These observations provide important constraints on the GrIS's basal thermal regime and help refine our understanding of the subglacial hydrological system.",
keywords = "Greenland, subglacial lake, ice sheet, hydrology",
author = "Jade Bowling and Stephen Livingstone and Andrew Sole and Winnie Chu",
year = "2019",
month = jun,
day = "26",
doi = "10.1038/s41467-019-10821-w",
language = "English",
volume = "10",
journal = "Nature Communications",
issn = "2041-1723",
publisher = "Nature Publishing Group",
number = "1",

}

RIS

TY - JOUR

T1 - Distribution and dynamics of Greenland subglacial lakes

AU - Bowling, Jade

AU - Livingstone, Stephen

AU - Sole, Andrew

AU - Chu, Winnie

PY - 2019/6/26

Y1 - 2019/6/26

N2 - Few subglacial lakes have been identified beneath the Greenland Ice Sheet (GrIS) despite extensive documentation in Antarctica, where periodic release of water can impact ice flow. Here we present an ice-sheet-wide survey of Greenland subglacial lakes, identifying 54 candidates from airborne radio-echo sounding, and 2 lakes from ice-surface elevation changes. These range from 0.2–5.9 km in length, and are mostly distributed away from ice divides, beneath relatively slow-moving ice. Based on our results and previous observations, we suggest three zones of formation: stable lakes in northern and eastern regions above the Equilibrium Line Altitude (ELA) but away from the interior; hydrologically-active lakes near the ELA recharged by surface meltwater and; small, seasonally-active lakes below the ELA, which form over winter and drain during the melt season. These observations provide important constraints on the GrIS's basal thermal regime and help refine our understanding of the subglacial hydrological system.

AB - Few subglacial lakes have been identified beneath the Greenland Ice Sheet (GrIS) despite extensive documentation in Antarctica, where periodic release of water can impact ice flow. Here we present an ice-sheet-wide survey of Greenland subglacial lakes, identifying 54 candidates from airborne radio-echo sounding, and 2 lakes from ice-surface elevation changes. These range from 0.2–5.9 km in length, and are mostly distributed away from ice divides, beneath relatively slow-moving ice. Based on our results and previous observations, we suggest three zones of formation: stable lakes in northern and eastern regions above the Equilibrium Line Altitude (ELA) but away from the interior; hydrologically-active lakes near the ELA recharged by surface meltwater and; small, seasonally-active lakes below the ELA, which form over winter and drain during the melt season. These observations provide important constraints on the GrIS's basal thermal regime and help refine our understanding of the subglacial hydrological system.

KW - Greenland

KW - subglacial lake

KW - ice sheet

KW - hydrology

U2 - 10.1038/s41467-019-10821-w

DO - 10.1038/s41467-019-10821-w

M3 - Journal article

VL - 10

JO - Nature Communications

JF - Nature Communications

SN - 2041-1723

IS - 1

M1 - 2810

ER -