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Seasonal evolution of supra-glacial lakes on the Greenland Ice Sheet

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Seasonal evolution of supra-glacial lakes on the Greenland Ice Sheet. / McMillan, Malcolm; Nienow, Peter; Shepherd, Andrew et al.
In: Earth and Planetary Science Letters, Vol. 262, No. 3-4, 30.10.2007, p. 484-492.

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

Harvard

McMillan, M, Nienow, P, Shepherd, A, Benham, T & Sole, A 2007, 'Seasonal evolution of supra-glacial lakes on the Greenland Ice Sheet', Earth and Planetary Science Letters, vol. 262, no. 3-4, pp. 484-492. https://doi.org/10.1016/j.epsl.2007.08.002

APA

McMillan, M., Nienow, P., Shepherd, A., Benham, T., & Sole, A. (2007). Seasonal evolution of supra-glacial lakes on the Greenland Ice Sheet. Earth and Planetary Science Letters, 262(3-4), 484-492. https://doi.org/10.1016/j.epsl.2007.08.002

Vancouver

McMillan M, Nienow P, Shepherd A, Benham T, Sole A. Seasonal evolution of supra-glacial lakes on the Greenland Ice Sheet. Earth and Planetary Science Letters. 2007 Oct 30;262(3-4):484-492. doi: 10.1016/j.epsl.2007.08.002

Author

McMillan, Malcolm ; Nienow, Peter ; Shepherd, Andrew et al. / Seasonal evolution of supra-glacial lakes on the Greenland Ice Sheet. In: Earth and Planetary Science Letters. 2007 ; Vol. 262, No. 3-4. pp. 484-492.

Bibtex

@article{79e91e34cb4a4a4b9cc59f184a4aa0f3,
title = "Seasonal evolution of supra-glacial lakes on the Greenland Ice Sheet",
abstract = "A survey of supra-glacial lakes on the western margin of the Greenland Ice Sheet reveals a seasonally-driven hydrological system, culminating in widespread lake drainage in late summer. We used satellite imagery to study the evolution of 292 lakes across two sites totalling 22 000 km2 in area. During 2001, the lakes combined area increased to 75 ± 5 km2 by the beginning of July. Over the following 25 days, an area totalling 36 ± 3.5 km2 drained from 216 lakes. At one study site, we used meteorological data and a positive degree day model to calculate the volume of water generated by melting in the lake catchments. Based on this estimate, the mean depth of filling lakes surveyed rose from 1.5 ± 0.7 m on 7th July to 3.9 ± 1.1 m on 1st August, in agreement with a value for one lake of 4.4 ± 0.9 m we have derived from airborne altimetry. During this 25 day period, we estimate that 38 ± 18 × 107 m3 of water drained from the surface at this site, and that there was an average water flux of 1.3 ± 0.3 m3 s- 1 passing through each lake that drained completely.",
keywords = "Greenland Ice Sheet, ice melting, mass balance, remote sensing, supra-glacial lakes",
author = "Malcolm McMillan and Peter Nienow and Andrew Shepherd and Toby Benham and Andrew Sole",
year = "2007",
month = oct,
day = "30",
doi = "10.1016/j.epsl.2007.08.002",
language = "English",
volume = "262",
pages = "484--492",
journal = "Earth and Planetary Science Letters",
issn = "0012-821X",
publisher = "Elsevier Science B.V.",
number = "3-4",

}

RIS

TY - JOUR

T1 - Seasonal evolution of supra-glacial lakes on the Greenland Ice Sheet

AU - McMillan, Malcolm

AU - Nienow, Peter

AU - Shepherd, Andrew

AU - Benham, Toby

AU - Sole, Andrew

PY - 2007/10/30

Y1 - 2007/10/30

N2 - A survey of supra-glacial lakes on the western margin of the Greenland Ice Sheet reveals a seasonally-driven hydrological system, culminating in widespread lake drainage in late summer. We used satellite imagery to study the evolution of 292 lakes across two sites totalling 22 000 km2 in area. During 2001, the lakes combined area increased to 75 ± 5 km2 by the beginning of July. Over the following 25 days, an area totalling 36 ± 3.5 km2 drained from 216 lakes. At one study site, we used meteorological data and a positive degree day model to calculate the volume of water generated by melting in the lake catchments. Based on this estimate, the mean depth of filling lakes surveyed rose from 1.5 ± 0.7 m on 7th July to 3.9 ± 1.1 m on 1st August, in agreement with a value for one lake of 4.4 ± 0.9 m we have derived from airborne altimetry. During this 25 day period, we estimate that 38 ± 18 × 107 m3 of water drained from the surface at this site, and that there was an average water flux of 1.3 ± 0.3 m3 s- 1 passing through each lake that drained completely.

AB - A survey of supra-glacial lakes on the western margin of the Greenland Ice Sheet reveals a seasonally-driven hydrological system, culminating in widespread lake drainage in late summer. We used satellite imagery to study the evolution of 292 lakes across two sites totalling 22 000 km2 in area. During 2001, the lakes combined area increased to 75 ± 5 km2 by the beginning of July. Over the following 25 days, an area totalling 36 ± 3.5 km2 drained from 216 lakes. At one study site, we used meteorological data and a positive degree day model to calculate the volume of water generated by melting in the lake catchments. Based on this estimate, the mean depth of filling lakes surveyed rose from 1.5 ± 0.7 m on 7th July to 3.9 ± 1.1 m on 1st August, in agreement with a value for one lake of 4.4 ± 0.9 m we have derived from airborne altimetry. During this 25 day period, we estimate that 38 ± 18 × 107 m3 of water drained from the surface at this site, and that there was an average water flux of 1.3 ± 0.3 m3 s- 1 passing through each lake that drained completely.

KW - Greenland Ice Sheet

KW - ice melting

KW - mass balance

KW - remote sensing

KW - supra-glacial lakes

U2 - 10.1016/j.epsl.2007.08.002

DO - 10.1016/j.epsl.2007.08.002

M3 - Journal article

AN - SCOPUS:35148889457

VL - 262

SP - 484

EP - 492

JO - Earth and Planetary Science Letters

JF - Earth and Planetary Science Letters

SN - 0012-821X

IS - 3-4

ER -