Articles | Volume 15, issue 8
The Cryosphere, 15, 3731–3749, 2021
https://doi.org/10.5194/tc-15-3731-2021
The Cryosphere, 15, 3731–3749, 2021
https://doi.org/10.5194/tc-15-3731-2021
Research article
12 Aug 2021
Research article | 12 Aug 2021

Development of a subglacial lake monitored with radio-echo sounding: case study from the eastern Skaftá cauldron in the Vatnajökull ice cap, Iceland

Eyjólfur Magnússon et al.

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Short summary
We present a unique insight into the shape and development of a subglacial lake over a 7-year period, using repeated radar survey. The lake collects geothermal meltwater, which is released in semi-regular floods, often referred to as jökulhlaups. The applicability of our survey approach to monitor the water stored in the lake for a better assessment of the potential hazard of jökulhlaups is demonstrated by comparison with independent measurements of released water volume during two jökulhlaups.