Since the first estimates of Svalbard-wide glacier mass balance were made in the early 2000s, there has been great progress in remote sensing and modeling of mass balance, existing field records have been extended, field records at new locations have been added, and there has been considerable environmental change. 11Department of Hydrology and Water Management, Polar Research Center, Nicolaus Copernicus University, ToruЕ„, Poland.10Department of Earth Sciences, Uppsala University, Uppsala, Sweden.9Institute of Geoecology and Geoinformation, Adam Mickiewicz University, PoznaЕ„, Poland.

8Institute of Geophysics, Polish Academy of Sciences, Warsaw, Poland.7Centre for Polar Studies, Institute of Earth Sciences, University of Silesia, Katowice, Poland.6Department of Environmental Sciences, Western Norway University of Applied Sciences, Sogndal, Norway.5Department of Arctic Geology, The University Centre in Svalbard (UNIS), Longyearbyen, Norway.4Institute of Geography, Russian Academy of Sciences, Moscow, Russia.3Norwegian Polar Institute, Fram Centre, TromsГё, Norway.2Department of Arctic Geophysics, The University Centre in Svalbard (UNIS), Longyearbyen, Norway.

1Department of Geosciences, University of Oslo, Oslo, Norway.

Pohjola 10, Ireneusz Sobota 11 and Ward J. KГ¤Г¤b 1, BartЕ‚omiej Luks 8, Jakub MaЕ‚ecki 9, Geir Moholdt 3, Veijo A. Schuler 1,2*, Jack Kohler 3, Nelly Elagina 4, Jon Ove M.

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