Articles | Volume 14, issue 2
https://doi.org/10.5194/tc-14-521-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-14-521-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Algal growth and weathering crust state drive variability in western Greenland Ice Sheet ice albedo
Andrew J. Tedstone
CORRESPONDING AUTHOR
Bristol Glaciology Centre, School of Geographical Sciences, University of Bristol, Bristol, UK
Department of Geosciences, University of Fribourg, Fribourg, Switzerland
Joseph M. Cook
Department of Geography, University of Sheffield, Sheffield, UK
Institute of Biological, Environmental and Rural Sciences, Aberystwyth University, Aberystwyth, UK
Christopher J. Williamson
Bristol Glaciology Centre, School of Geographical Sciences, University of Bristol, Bristol, UK
Stefan Hofer
Bristol Glaciology Centre, School of Geographical Sciences, University of Bristol, Bristol, UK
Jenine McCutcheon
School of Earth and Environment, University of Leeds, Leeds, UK
Tristram Irvine-Fynn
Department of Geography and Earth Sciences, Aberystwyth University, Aberystwyth, UK
Thomas Gribbin
Bristol Glaciology Centre, School of Geographical Sciences, University of Bristol, Bristol, UK
Martyn Tranter
Bristol Glaciology Centre, School of Geographical Sciences, University of Bristol, Bristol, UK
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36 citations as recorded by crossref.
- Impact of the melt–albedo feedback on the future evolution of the Greenland Ice Sheet with PISM-dEBM-simple M. Zeitz et al. 10.5194/tc-15-5739-2021
- High prevalence of parasitic chytrids infection of glacier algae in cryoconite holes in Alaska K. Kobayashi et al. 10.1038/s41598-023-30721-w
- Ice Sheet and Climate Processes Driving the Uncertainty in Projections of Future Sea Level Rise: Findings From a Structured Expert Judgement Approach J. Bamber et al. 10.1029/2022EF002772
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- Endometabolic profiling of pigmented glacier ice algae: the impact of sample processing E. Peter et al. 10.1007/s11306-024-02147-6
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- Modeling seasonal growth of phototrophs on bare ice on the Qaanaaq Ice Cap, northwestern Greenland Y. Onuma et al. 10.1017/jog.2022.76
- Remote sensing reveals Antarctic green snow algae as important terrestrial carbon sink A. Gray et al. 10.1038/s41467-020-16018-w
- Seasonality of Glacial Snow and Ice Microbial Communities M. Winkel et al. 10.3389/fmicb.2022.876848
- Evaluation of a new snow albedo scheme for the Greenland ice sheet in the Regional Atmospheric Climate Model (RACMO2) C. van Dalum et al. 10.5194/tc-14-3645-2020
- Mineral phosphorus drives glacier algal blooms on the Greenland Ice Sheet J. McCutcheon et al. 10.1038/s41467-020-20627-w
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- Greater Greenland Ice Sheet contribution to global sea level rise in CMIP6 S. Hofer et al. 10.1038/s41467-020-20011-8
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- Application of an improved surface energy balance model to two large valley glaciers in the St. Elias Mountains, Yukon T. Hill et al. 10.1017/jog.2020.106
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- SNICAR-ADv4: a physically based radiative transfer model to represent the spectral albedo of glacier ice C. Whicker et al. 10.5194/tc-16-1197-2022
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- Review of Land Surface Albedo: Variance Characteristics, Climate Effect and Management Strategy X. Zhang et al. 10.3390/rs14061382
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- Metagenomic inference of microbial community composition and function in the weathering crust aquifer of a temperate glacier Q. Faber et al. 10.3389/frmbi.2024.1488744
- Weathering crust formation outpaces melt-albedo feedback on blue ice shelves of East Antarctica G. Traversa & B. Di Mauro 10.1038/s43247-024-01896-5
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- Air Pollution and Its Association with the Greenland Ice Sheet Melt K. Vikrant et al. 10.3390/su13010065
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- Dissolved organic nutrients dominate melting surface ice of the Dark Zone (Greenland Ice Sheet) A. Holland et al. 10.5194/bg-16-3283-2019
- Glacier algae accelerate melt rates on the south-western Greenland Ice Sheet J. Cook et al. 10.5194/tc-14-309-2020
- Algal photophysiology drives darkening and melt of the Greenland Ice Sheet C. Williamson et al. 10.1073/pnas.1918412117
Latest update: 10 Dec 2024
Short summary
Albedo describes how much light that hits a surface is reflected without being absorbed. Low-albedo ice surfaces melt more quickly. There are large differences in the albedo of bare-ice areas of the Greenland Ice Sheet. They are caused both by dark glacier algae and by the condition of the underlying ice. Changes occur over centimetres to metres, so satellites do not always detect real albedo changes. Estimates of melt made using satellite measurements therefore tend to be underestimates.
Albedo describes how much light that hits a surface is reflected without being absorbed....