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“Steady, shallow ice sheets as obstacle problems: well-posedness and finite element approximation”, SIAM Journal on Applied Mathematics, vol. 72, pp. 1292–1314, 2012.
, “Existence and stability of steady-state solutions of the shallow-ice-sheet equation by an energy-minimization approach”, Journal of Glaciology, vol. 57, pp. 345–354, 2011.
, “A nonsmooth Newton multigrid method for a hybrid, shallow model of marine ice sheets”, Contemporary Mathematics, vol. 586, pp. 197-205, 2013.
, “Continued evolution of Jakobshavn Isbrae following its rapid speedup”, J. geophys. Res, vol. 113, p. F04006, 2008.
, “Large fluctuations in speed on Greenland's Jakobshavn Isbrae glacier.”, Nature, vol. 432, pp. 608–610, 2004.
, “Seasonal to decadal scale variations in the surface velocity of Jakobshavn Isbrae, Greenland: Observation and model-based analysis”, J. Geophys. Res., vol. 117, pp. 1–20, 2012.
, “Ice-front variation and tidewater behavior on Helheim and Kangerdlugssuaq Glaciers, Greenland”, Journal of Geophysical Research, vol. 113, p. F01004, 2008.
, “Ice-front variation and tidewater behavior on Helheim and Kangerdlugssuaq Glaciers, Greenland”, Journal of Geophysical Research: Earth Surface, vol. 113, pp. 1–11, 2008.
, “Recent air and ground temperature increases at Tarfala Research Station, Sweden”, Polar Research, vol. 32, 2013.
, “Recent Arctic tundra fire initiates widespread thermokarst development”, Scientific Reports, vol. 5, p. 15865 - , 2015.
, “Mass balance in the Glacier Bay area of Alaska, USA, and British Columbia, Canada, 1995–2011, using airborne laser altimetry”, Journal of Glaciology, vol. 59, no. 216, pp. 632–648, 2013.
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