Articles | Volume 13, issue 7
The Cryosphere, 13, 1889–1909, 2019
https://doi.org/10.5194/tc-13-1889-2019
The Cryosphere, 13, 1889–1909, 2019
https://doi.org/10.5194/tc-13-1889-2019

Research article 11 Jul 2019

Research article | 11 Jul 2019

Unravelling the evolution of Zmuttgletscher and its debris cover since the end of the Little Ice Age

Nico Mölg et al.

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Agisoft LLC: PhotoScan, Agisoft, Software: version 1.2, 2016. 
Anderson, L. S. and Anderson, R. S.: Modeling debris-covered glaciers: response to steady debris deposition, The Cryosphere, 10, 1105–1124, https://doi.org/10.5194/tc-10-1105-2016, 2016. 
Anderson, L. S. and Anderson, R. S.: Debris thickness patterns on debris-covered glaciers, Geomorphology, 311, 1–12, https://doi.org/10.1016/j.geomorph.2018.03.014, 2018. 
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Debris can partly protect glaciers from melting. But many debris-covered glaciers change similar to debris-free glaciers. To better understand the debris influence we investigated 150 years of evolution of Zmutt Glacier in Switzerland. We found an increase in debris extent over time and a link to glacier flow velocity changes. We also found an influence of debris on the melt locally, but only a small volume change reduction over the whole glacier, also because of the influence of ice cliffs.