Articles | Volume 14, issue 7
The Cryosphere, 14, 2313–2330, 2020
https://doi.org/10.5194/tc-14-2313-2020
The Cryosphere, 14, 2313–2330, 2020
https://doi.org/10.5194/tc-14-2313-2020
Research article
22 Jul 2020
Research article | 22 Jul 2020

Lateral meltwater transfer across an Antarctic ice shelf

Rebecca Dell et al.

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Cited articles

Arnold, N. and Rees, G.: Effects of digital elevation model spatial resolution on distributed calculations of solar radiation loading on a high arctic glacier, J. Glaciol., 55, 973–984, https://doi.org/10.3189/002214309790794959, 2009. 
Arnold, N. S., Banwell, A. F., and Willis, I. C.: High-resolution modelling of the seasonal evolution of surface water storage on the Greenland Ice Sheet, The Cryosphere, 8, 1149–1160, https://doi.org/10.5194/tc-8-1149-2014, 2014. 
Arthur, J., Stokes, C., Jamieson, S., Carr, J., and Leeson, A.: Recent understanding of Antarctic supraglacial lakes using satellite remote sensing, Prog. Phys. Geogr., https://doi.org/10.1177/0309133320916114, online first, 2020. 
Banwell, A.: Glaciology: Ice-shelf stability questioned, Nature, 544, 306–307, https://doi.org/10.1038/544306a, 2017. 
Banwell, A. F. and MacAyeal, D. R.: Ice-shelf fracture due to viscoelastic flexure stress induced by fill/drain cycles of supraglacial lakes, Antarct. Sci., 27, 587–597, https://doi.org/10.1017/S0954102015000292, 2015. 
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A semi-automated method is developed from pre-existing work to track surface water bodies across Antarctic ice shelves over time, using data from Sentinel-2 and Landsat 8. This method is applied to the Nivlisen Ice Shelf for the 2016–2017 melt season. The results reveal two large linear meltwater systems, which hold 63 % of the peak total surface meltwater volume on 26 January 2017. These meltwater systems migrate towards the ice shelf front as the melt season progresses.