Articles | Volume 10, issue 1
https://doi.org/10.5194/essd-10-53-2018
https://doi.org/10.5194/essd-10-53-2018
10 Jan 2018
 | 10 Jan 2018

Modulation of glacier ablation by tephra coverage from Eyjafjallajökull and Grímsvötn volcanoes, Iceland: an automated field experiment

Rebecca Möller, Marco Möller, Peter A. Kukla, and Christoph Schneider

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Cited articles

Adhikary, S., Seko, K., Nakawo, M., Ageta, Y., and Miyazaki, N.: Effect of surface dust on snow melt, Bull. Glacier Res., 15, 85–92, 1997. a
Brock, B., Rivera, A., Casassa, G., Bown, F., and Acuña, C.: The surface energy balance of an active ice-covered volcano: Villarrica Volcano, Southern Chile, Ann. Glaciol., 45, 104–114, https://doi.org/10.3189/172756407782282372, 2007. a
Collier, E., Maussion, F., Nicholson, L. I., Mölg, T., Immerzeel, W. W., and Bush, A. B. G.: Impact of debris cover on glacier ablation and atmosphere-glacier feedbacks in the Karakoram, The Cryosphere, 9, 1617-1632, https://doi.org/10.5194/tc-9-1617-2015, 2015. a
Dragosics, M., Meinander, O., Jónsdóttir, T., Dürig, T., De Leeuw, G., Pálsson, F., Dagsson-Waldhauserová, P., and Thorsteinsson, T.: Insulation effects of Icelandic dust and volcanic ash on snow and ice, Arab. J. Geosci., 9, 126, https://doi.org/10.1007/s12517-015-2224-6, 2016. a, b, c
Evatt, G. W., Abrahams, D., Heil, M., Mayer, C., Kingslake, J., Mitchell, S. L., Fowler, A. C., and Clark, C. D.: Glacial melt under a porous debris layer, J. Glaciol., 61, 825–836, https://doi.org/10.3189/2015JoG14J235, 2015. a
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Deposits of volcanic tephra alter the energy balance at the surface of a glacier. The effects reach from intensified melt to complete insulation, mainly depending on tephra thickness. Data from a field experiment on Iceland reveal an additional minor dependency on tephra type and suggest a substantially different behavior of tephra-covered snowpacks than of tephra-covered glacier ice. The related 50-day dataset of hourly records can readily be used for model calibration and validation purposes.
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