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    Université de Fribourg

    Rapid expansion of Greenland’s low-permeability ice slabs

    MacFerrin, Mike ; Machguth, Horst ; As, Dirk van ; Charalampidis, C. ; Stevens, C. M. ; Heilig, A. ; Vandecrux, B. ; Langen, P. L. ; Mottram, R. ; Fettweis, Xavier ; Broeke, Michiel R. van den ; Pfeffer, W. T. ; Moussavi, M. S. ; Abdalati, W.

    In: Nature, 2019, vol. 573, no. 7774, p. 403–407

    In recent decades, meltwater runoff has accelerated to become the dominant mechanism for mass loss in the Greenland ice sheet1,2,3. In Greenland’s high- elevation interior, porous snow and firn accumulate; these can absorb surface meltwater and inhibit runoff4, but this buffering effect is limited if enough water refreezes near the surface to restrict percolation5,6. However, the influence...

    Université de Fribourg

    A daily, 1 km resolution data set of downscaled Greenland ice sheet surface mass balance (1958–2015)

    Noël, Brice ; Berg, Willem Jan van de ; Machguth, Horst ; Lhermitte, Stef ; Howat, Ian ; Fettweis, Xavier ; Broeke, Michiel R. van den

    In: The Cryosphere, 2016, vol. 10, no. 5, p. 2361–2377

    This study presents a data set of daily, 1 km resolution Greenland ice sheet (GrIS) surface mass balance (SMB) covering the period 1958–2015. Applying corrections for elevation, bare ice albedo and accumulation bias, the high-resolution product is statistically downscaled from the native daily output of the polar regional climate model RACMO2.3 at 11 km. The data set includes all...