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Widespread distribution of supraglacial lakes around the margin of the East Antarctic Ice Sheet

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Widespread distribution of supraglacial lakes around the margin of the East Antarctic Ice Sheet. / Stokes, C.R.; Sanderson, J.E.; Miles, B.W.J.; Jamieson, S.S.R.; Leeson, A.A.

In: Scientific Reports, Vol. 9, No. 1, 13823, 25.09.2019.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Stokes, CR, Sanderson, JE, Miles, BWJ, Jamieson, SSR & Leeson, AA 2019, 'Widespread distribution of supraglacial lakes around the margin of the East Antarctic Ice Sheet', Scientific Reports, vol. 9, no. 1, 13823. https://doi.org/10.1038/s41598-019-50343-5

APA

Stokes, C. R., Sanderson, J. E., Miles, B. W. J., Jamieson, S. S. R., & Leeson, A. A. (2019). Widespread distribution of supraglacial lakes around the margin of the East Antarctic Ice Sheet. Scientific Reports, 9(1), [13823]. https://doi.org/10.1038/s41598-019-50343-5

Vancouver

Author

Stokes, C.R. ; Sanderson, J.E. ; Miles, B.W.J. ; Jamieson, S.S.R. ; Leeson, A.A. / Widespread distribution of supraglacial lakes around the margin of the East Antarctic Ice Sheet. In: Scientific Reports. 2019 ; Vol. 9, No. 1.

Bibtex

@article{a1e1a4de8aad4ee5955d464a8afb0fe4,
title = "Widespread distribution of supraglacial lakes around the margin of the East Antarctic Ice Sheet",
abstract = "Supraglacial lakes are important to ice sheet mass balance because their development and drainage has been linked to changes in ice flow velocity and ice shelf disintegration. However, little is known about their distribution on the world{\textquoteright}s largest ice sheet in East Antarctica. Here, we use ~5 million km2 of high-resolution satellite imagery to identify >65,000 lakes (>1,300 km2) that formed around the peak of the melt season in January 2017. Lakes occur in most marginal areas where they typically develop at low elevations (<100 m) and on low surface slopes (<1°), but they can exist 500 km inland and at elevations >1500 m. We find that lakes often cluster a few kilometres down-ice from grounding lines and ~60% (>80% by area) develop on ice shelves, including some potentially vulnerable to collapse driven by lake-induced hydro-fracturing. This suggests that parts of the ice sheet may be highly sensitive to climate warming.",
author = "C.R. Stokes and J.E. Sanderson and B.W.J. Miles and S.S.R. Jamieson and A.A. Leeson",
year = "2019",
month = sep,
day = "25",
doi = "10.1038/s41598-019-50343-5",
language = "English",
volume = "9",
journal = "Scientific Reports",
issn = "2045-2322",
publisher = "Nature Publishing Group",
number = "1",

}

RIS

TY - JOUR

T1 - Widespread distribution of supraglacial lakes around the margin of the East Antarctic Ice Sheet

AU - Stokes, C.R.

AU - Sanderson, J.E.

AU - Miles, B.W.J.

AU - Jamieson, S.S.R.

AU - Leeson, A.A.

PY - 2019/9/25

Y1 - 2019/9/25

N2 - Supraglacial lakes are important to ice sheet mass balance because their development and drainage has been linked to changes in ice flow velocity and ice shelf disintegration. However, little is known about their distribution on the world’s largest ice sheet in East Antarctica. Here, we use ~5 million km2 of high-resolution satellite imagery to identify >65,000 lakes (>1,300 km2) that formed around the peak of the melt season in January 2017. Lakes occur in most marginal areas where they typically develop at low elevations (<100 m) and on low surface slopes (<1°), but they can exist 500 km inland and at elevations >1500 m. We find that lakes often cluster a few kilometres down-ice from grounding lines and ~60% (>80% by area) develop on ice shelves, including some potentially vulnerable to collapse driven by lake-induced hydro-fracturing. This suggests that parts of the ice sheet may be highly sensitive to climate warming.

AB - Supraglacial lakes are important to ice sheet mass balance because their development and drainage has been linked to changes in ice flow velocity and ice shelf disintegration. However, little is known about their distribution on the world’s largest ice sheet in East Antarctica. Here, we use ~5 million km2 of high-resolution satellite imagery to identify >65,000 lakes (>1,300 km2) that formed around the peak of the melt season in January 2017. Lakes occur in most marginal areas where they typically develop at low elevations (<100 m) and on low surface slopes (<1°), but they can exist 500 km inland and at elevations >1500 m. We find that lakes often cluster a few kilometres down-ice from grounding lines and ~60% (>80% by area) develop on ice shelves, including some potentially vulnerable to collapse driven by lake-induced hydro-fracturing. This suggests that parts of the ice sheet may be highly sensitive to climate warming.

U2 - 10.1038/s41598-019-50343-5

DO - 10.1038/s41598-019-50343-5

M3 - Journal article

VL - 9

JO - Scientific Reports

JF - Scientific Reports

SN - 2045-2322

IS - 1

M1 - 13823

ER -