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    Université de Fribourg

    Multi-decadal mass balance series of three Kyrgyz glaciers inferred from modelling constrained with repeated snow line observations

    Barandun, Martina ; Huss, Matthias ; Usubaliev, Ryskul ; Azisov, Erlan ; Berthier, Etienne ; Kääb, Andreas ; Bolch, Tobias ; Hoelzle, Martin

    In: The Cryosphere, 2018, vol. 12, no. 6, p. 1899–1919

    Glacier surface mass balance observations in the Tien Shan and Pamir are relatively sparse and often discontinuous. Nevertheless, glaciers are one of the most important components of the high-mountain cryosphere in the region as they strongly influence water availability in the arid, continental and intensely populated downstream areas. This study provides reliable and continuous surface mass...

    Université de Fribourg

    Monitoring of seasonal glacier mass balance over the European Alps using low-resolution optical satellite images

    Drolon, Vanessa ; Maisongrande, Philippe ; Berthier, Etienne ; Wwinnen, Else ; Huss, Matthias

    In: Journal of Glaciology, 2016, vol. 62, no. 235, p. 912–927

    We explore a new method to retrieve seasonal glacier mass balances (MBs) from low- resolution optical remote sensing. We derive annual winter and summer snow maps of the Alps during 1998–2014 using SPOT/VEGETATION 1 km resolution imagery. We combine these seasonal snow maps with a DEM to calculate a ‘mean regional’ altitude of snow (Z) in a region surrounding a glacier. Then, we compare...

    Université de Fribourg

    Reconstructing the annual mass balance of the Echaurren Norte glacier (Central Andes, 33.5° S) using local and regional hydroclimatic data

    Masiokas, Mariano H. ; Christie, Duncan A. ; Quesne, Carlos Le ; Pitte, Pierre ; Ruiz, Lucas ; Villalba, Ricardo ; Luckman, Brian H. ; Berthier, Etienne ; Nussbaumer, Samuel U. ; González-Reyes, Álvaro ; McPhee, James ; Barcaza, Gonzalo

    In: The Cryosphere, 2016, vol. 10, no. 2, p. 927–940

    Despite the great number and variety of glaciers in southern South America, in situ glacier mass-balance records are extremely scarce and glacier–climate relationships are still poorly understood in this region. Here we use the longest (> 35 years) and most complete in situ mass-balance record, available for the Echaurren Norte glacier (ECH) in the Andes at ∼ 33.5° S, to...