Articles | Volume 15, issue 7
The Cryosphere, 15, 3355–3375, 2021
https://doi.org/10.5194/tc-15-3355-2021
The Cryosphere, 15, 3355–3375, 2021
https://doi.org/10.5194/tc-15-3355-2021

Research article 21 Jul 2021

Research article | 21 Jul 2021

Surges of Harald Moltke Bræ, north-western Greenland: seasonal modulation and initiation at the terminus

Lukas Müller et al.

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Short summary
Harald Moltke Bræ, a marine-terminating glacier in north-western Greenland, undergoes remarkable surges of episodic character. Our data show that a recent surge from 2013 to 2019 was initiated at the glacier front and exhibits a pronounced seasonality with flow velocities varying by 1 order of magnitude, which has not been observed at Harald Moltke Bræ in this way before. These findings are crucial for understanding surge mechanisms at Harald Moltke Bræ and other marine-terminating glaciers.