Articles | Volume 17, issue 4
Research article
26 Apr 2023
Research article |  | 26 Apr 2023

Subglacial lake activity beneath the ablation zone of the Greenland Ice Sheet

Yubin Fan, Chang-Qing Ke, Xiaoyi Shen, Yao Xiao, Stephen J. Livingstone, and Andrew J. Sole

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Discipline: Ice sheets | Subject: Greenland
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Cited articles

Bessette, J. T., Schroeder, D. M., Jordan, T. M., and MacGregor, J. A.: Radar-sounding characterization of the subglacial groundwater table beneath Hiawatha Glacier, Greenland, Geophys. Res. Lett., 48, e2020GL091432,, 2021. 
Bowling, J. S., Livingstone, S. J., Sole, A. J., and Chu, W.: Distribution and dynamics of Greenland subglacial lakes, Nat. Commun., 10, 2810,, 2019. 
Brunt, K., Smith, B., Sutterly, T., Kurtz, N., and Neumann, T: Comparisons of Satellite and Airborne Altimetry With Ground-Based Data From the Interior of the Antarctic Ice Sheet, Geophys. Res. Lett., 48, e2020GL090572,, 2021. 
Datta, R. T. and Wouters, B.: Supraglacial lake bathymetry automatically derived from ICESat-2 constraining lake depth estimates from multi-source satellite imagery, The Cryosphere, 15, 5115–5132,, 2021. 
Fair, Z., Flanner, M., Brunt, K. M., Fricker, H. A., and Gardner, A.: Using ICESat-2 and Operation IceBridge altimetry for supraglacial lake depth retrievals, The Cryosphere, 14, 4253–4263,, 2020. 
Short summary
We used the new-generation ICESat-2 altimeter to detect and monitor active subglacial lakes in unprecedented spatiotemporal detail. We created a new inventory of 18 active subglacial lakes as well as their elevation and volume changes during 2019–2020, which provides an improved understanding of how the Greenland subglacial water system operates and how these lakes are fed by water from the ice surface.