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Université de Fribourg

Mass balance re-analysis of Findelengletscher, Switzerland; benefits of extensive snow accumulation measurements

Sold, Leo ; Huss, Matthias ; Machguth, Horst ; Joerg, Philip C. ; Leysinger Vieli, Gwendolyn ; Linsbauer, Andreas ; Salzmann, Nadine ; Zemp, Michael ; Hoelzle, Martin

In: Front. Earth Sci. - Cryospheric Sciences, 2016, p. 18

A re-analysis is presented here of a 10 year mass balance series at Findelengletscher, a temperate mountain glacier in Switzerland. Calculating glacier-wide mass balance from the set of glaciological point balance observations using conventional approaches, such as the profile or contour method, resulted in significant deviations from the reference value given by the geodetic mass...

Université de Fribourg

Methodological approaches to infer end-of-winter snow distribution on alpine glaciers

Sold, Leo ; Huss, Matthias ; Hoelzle, Martin ; Andereggen, Hubert ; Joerg, Philip C. ; Zemp, Michael

In: Journal of Glaciology, 2013, vol. 59, no. 218, p. 1047–1059

Snow accumulation is an important component of the mass balance of alpine glaciers. To improve our understanding of the processes related to accumulation and their representation in state-of-the-art mass-balance models, extensive field measurements are required. We present measurements of snow accumulation distribution on Findelengletscher, Switzerland, for April 2010 using (1) in situ snow...

Université de Fribourg

High uncertainty in 21st century runoff projections from glacierized basins

Huss, Matthias ; Zemp, Michael ; Joerg, Philip C. ; Salzmann, Nadine

In: Journal of Hydrology, 2014, vol. 510, p. 35–48

Glacier response to a changing climate and its impact on runoff is understood in general terms, but model-based projections are affected by considerable uncertainties. They originate from the driving climate model, input data quality, and simplifications in the glacio-hydrological model and hamper the reliability of the simulations. Here, an integrative assessment of the uncertainty in 21st...