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Greenland ice sheet motion coupled with daily melting in late summer

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Greenland ice sheet motion coupled with daily melting in late summer. / Shepherd, Andrew; Hubbard, Alun; Nienow, Peter et al.
In: Geophysical Research Letters, Vol. 36, No. 1, L01501, 16.01.2009.

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

Harvard

Shepherd, A, Hubbard, A, Nienow, P, King, M, McMillan, M & Joughin, I 2009, 'Greenland ice sheet motion coupled with daily melting in late summer', Geophysical Research Letters, vol. 36, no. 1, L01501. https://doi.org/10.1029/2008GL035758

APA

Shepherd, A., Hubbard, A., Nienow, P., King, M., McMillan, M., & Joughin, I. (2009). Greenland ice sheet motion coupled with daily melting in late summer. Geophysical Research Letters, 36(1), Article L01501. https://doi.org/10.1029/2008GL035758

Vancouver

Shepherd A, Hubbard A, Nienow P, King M, McMillan M, Joughin I. Greenland ice sheet motion coupled with daily melting in late summer. Geophysical Research Letters. 2009 Jan 16;36(1):L01501. doi: 10.1029/2008GL035758

Author

Shepherd, Andrew ; Hubbard, Alun ; Nienow, Peter et al. / Greenland ice sheet motion coupled with daily melting in late summer. In: Geophysical Research Letters. 2009 ; Vol. 36, No. 1.

Bibtex

@article{2b9bcb90fe3440f1959213dcbd492a4e,
title = "Greenland ice sheet motion coupled with daily melting in late summer",
abstract = "We use ground-based and satellite observations to detect large diurnal and longer-period variations in the flow of the Greenland Ice Sheet (GrIS) during late summer that are strongly coupled with changes in its surface hydrology. The diurnal signals are associated with periodic changes in surface melting, and the longer-period signals are associated with the episodic drainage of supra-glacial lakes. Ice velocity doubles around 2 hours after peak daily melting and returns approximately to wintertime levels around 12 hours afterwards, demonstrating an intimate link between the surface and basal hydrology. During late summer, the ice sheet accelerates by 35% per positive degree-day of melting. The observed link between surface melting and enhanced flow is typical of Alpine glaciers, which may provide an appropriate analogue for the evolution of the GrIS in a warming climate.",
author = "Andrew Shepherd and Alun Hubbard and Peter Nienow and Matt King and Malcolm McMillan and Ian Joughin",
year = "2009",
month = jan,
day = "16",
doi = "10.1029/2008GL035758",
language = "English",
volume = "36",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "1",

}

RIS

TY - JOUR

T1 - Greenland ice sheet motion coupled with daily melting in late summer

AU - Shepherd, Andrew

AU - Hubbard, Alun

AU - Nienow, Peter

AU - King, Matt

AU - McMillan, Malcolm

AU - Joughin, Ian

PY - 2009/1/16

Y1 - 2009/1/16

N2 - We use ground-based and satellite observations to detect large diurnal and longer-period variations in the flow of the Greenland Ice Sheet (GrIS) during late summer that are strongly coupled with changes in its surface hydrology. The diurnal signals are associated with periodic changes in surface melting, and the longer-period signals are associated with the episodic drainage of supra-glacial lakes. Ice velocity doubles around 2 hours after peak daily melting and returns approximately to wintertime levels around 12 hours afterwards, demonstrating an intimate link between the surface and basal hydrology. During late summer, the ice sheet accelerates by 35% per positive degree-day of melting. The observed link between surface melting and enhanced flow is typical of Alpine glaciers, which may provide an appropriate analogue for the evolution of the GrIS in a warming climate.

AB - We use ground-based and satellite observations to detect large diurnal and longer-period variations in the flow of the Greenland Ice Sheet (GrIS) during late summer that are strongly coupled with changes in its surface hydrology. The diurnal signals are associated with periodic changes in surface melting, and the longer-period signals are associated with the episodic drainage of supra-glacial lakes. Ice velocity doubles around 2 hours after peak daily melting and returns approximately to wintertime levels around 12 hours afterwards, demonstrating an intimate link between the surface and basal hydrology. During late summer, the ice sheet accelerates by 35% per positive degree-day of melting. The observed link between surface melting and enhanced flow is typical of Alpine glaciers, which may provide an appropriate analogue for the evolution of the GrIS in a warming climate.

U2 - 10.1029/2008GL035758

DO - 10.1029/2008GL035758

M3 - Journal article

AN - SCOPUS:62749181809

VL - 36

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 1

M1 - L01501

ER -