Articles | Volume 9, issue 4
The Cryosphere, 9, 1617–1632, 2015
https://doi.org/10.5194/tc-9-1617-2015
The Cryosphere, 9, 1617–1632, 2015
https://doi.org/10.5194/tc-9-1617-2015

Research article 20 Aug 2015

Research article | 20 Aug 2015

Impact of debris cover on glacier ablation and atmosphere–glacier feedbacks in the Karakoram

E. Collier et al.

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Cited articles

Benn, D. I., and Lehmkuhl, F.: Mass balance and equilibrium-line altitudes of glaciers in high-mountain environments, Quat. Int., 65, 15–29, 2000.
Braithwaite, R. J.: Aerodynamic stability and turbulent sensible-heat flux over a melting ice surface, the Greenland ice sheet, J. Glaciol., 41, 562–571, 1995.
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Brock, B. W., Mihalcea, C., Kirkbride, M. P., Diolaiuti, G., Cutler, M. E., and Smiraglia, C.: Meteorology and surface energy fluxes in the 2005–2007 ablation seasons at the Miage debris-covered glacier, Mont Blanc Massif, Italian Alps, J. Geophys. Res., 115, D09106, https://doi.org/10.1029/2009JD013224, 2010.
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Short summary
We investigate the impact of surface debris on glacier energy and mass fluxes and on atmosphere-glacier feedbacks in the Karakoram range, by including debris in an interactively coupled atmosphere-glacier model. The model is run from 1 May to 1 October 2004, with a simple specification of debris thickness. We find an appreciable reduction in ablation that exceeds 5m w.e. on glacier tongues, as well as significant alterations to near-surface air temperatures and boundary layer dynamics.