Articles | Volume 17, issue 11
https://doi.org/10.5194/tc-17-4729-2023
https://doi.org/10.5194/tc-17-4729-2023
Research article
 | 
09 Nov 2023
Research article |  | 09 Nov 2023

Seasonal evolution of the supraglacial drainage network at Humboldt Glacier, northern Greenland, between 2016 and 2020

Lauren D. Rawlins, David M. Rippin, Andrew J. Sole, Stephen J. Livingstone, and Kang Yang

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Cited articles

Amory, C., Kittel, C., Le Toumelin, L., Agosta, C., Delhasse, A., Favier, V., and Fettweis, X.: Performance of MAR (v3.11) in simulating the drifting-snow climate and surface mass balance of Adélie Land, East Antarctica, Geosci. Model Dev., 14, 3487–3510, https://doi.org/10.5194/gmd-14-3487-2021, 2021 (data available at: ftp://ftp.climato.be/). 
Andrews, L. C., Catania, G. A., Hoffman, M. J., Gulley, J. D., Lüthi, M. P., Ryser, C., Hawley, R. L., and Neumann, T. A.: Direct observations of evolving subglacial drainage beneath the Greenland Ice Sheet, Nature, 514, 80–83, https://doi.org/10.1038/nature13796, 2014. 
Andrews, L. C., Poinar, K., and Trunz, C.: Controls on Greenland moulin geometry and evolution from the Moulin Shape model, The Cryosphere, 16, 2421–2448, https://doi.org/10.5194/tc-16-2421-2022, 2022. 
Baillarin, S., Meygret, A., Dechoz, C., Petrucci, B., Lacherade, S.,Trémas, T., Isola, C., Martimort, P., and Spoto, F.: Sentinel-2 level 1 products and image processing performances, IEEE international geoscience and remote sensing symposium, Munich, Germany, 22–27 July 2012, 7003–7006, https://doi.org/10.1109/IGARSS.2012.6351959, 2012. 
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Short summary
We map and quantify surface rivers and lakes at Humboldt Glacier to examine seasonal evolution and provide new insights of network configuration and behaviour. A widespread supraglacial drainage network exists, expanding up the glacier as seasonal runoff increases. Large interannual variability affects the areal extent of this network, controlled by high- vs. low-melt years, with late summer network persistence likely preconditioning the surface for earlier drainage activity the following year.