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TC | Volume 14, issue 1
The Cryosphere, 14, 309–330, 2020
https://doi.org/10.5194/tc-14-309-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
The Cryosphere, 14, 309–330, 2020
https://doi.org/10.5194/tc-14-309-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 29 Jan 2020

Research article | 29 Jan 2020

Glacier algae accelerate melt rates on the south-western Greenland Ice Sheet

Joseph M. Cook et al.

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Cited articles

Bamber, J., Westaway, R. M., Marzeion, B., and Wouters, B.: The land ice contribution to sea level during the satellite era, Environ. Res. Lett., 13 063008, https://doi.org/10.1088/1748-9326/aac2f0, 2018. 
Benning, L. G., Anesio, A. M., Lutz, S., and Tranter, M.: Biological impact on Greenland's albedo, Nat. Geosci., 7, 691, https://doi.org/10.1038/ngeo2260, 2014. 
Bøggild, C. E., Brandt, R. E., Brown, K. J., and Warren, S. G.: The ablation zone in northeast Greenland: ice types, albedos and impurities, J. Glaciol., 56, 101–113, 2010. 
Box, J. E., Fettweis, X., Stroeve, J. C., Tedesco, M., Hall, D. K., and Steffen, K.: Greenland ice sheet albedo feedback: thermodynamics and atmospheric drivers, The Cryosphere, 6, 821–839, https://doi.org/10.5194/tc-6-821-2012, 2012. 
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Short summary
Melting of the Greenland Ice Sheet (GrIS) is a major source of uncertainty for sea level rise projections. Ice-darkening due to the growth of algae has been recognized as a potential accelerator of melting. This paper measures and models the algae-driven ice melting and maps the algae over the ice sheet for the first time. We estimate that as much as 13 % total runoff from the south-western GrIS can be attributed to these algae, showing that they must be included in future mass balance models.
Melting of the Greenland Ice Sheet (GrIS) is a major source of uncertainty for sea level rise...
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