Articles | Volume 11, issue 5
Research article
23 Oct 2017
Research article |  | 23 Oct 2017

Winter sea ice export from the Laptev Sea preconditions the local summer sea ice cover and fast ice decay

Polona Itkin and Thomas Krumpen

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Cited articles

Bareiss, J. and Görgen, K.: Spatial and temporal variability of sea ice in the Laptev Sea: Analyses and review of satellite passive-microwave data and model results, 1979 to 2002, Global Planet. Change, 48, 28–54,, 2005.
Bareiss, J., Eicken, H., Helibig, A., and Martin, T.: Impact of river discharge and regional climatology on the decay of sea ice in the Laptev Sea during spring and early summer, Arctic Antarctic Alp. Res., 31, 214–229,, 1999.
Ernsdorf, T., Schröder, D., Adams, S., Heinemann, G., Timmermann, R., and Danilov, S.: Impact of atmospheric forcing data on simulations of the Laptev Sea polynya dynamics using the sea-ice ocean model FESOM, J. Geophys. Res.-Oceans, 116, c12038,, 2011.
Ezraty, R., Girard-Ardhuin, F., Piollé, J. F., Kaleschke, L., and Heygster, G.: Arctic and Antarctic Sea Ice Concentration and Arctic Sea Ice Drift Estimated from Special Sensor Microwave Data, Département d'Océanographie Physique et Spatiale, IFREMER, Brest, France and University of Bremen, Germany, 2.1st Edn., available at: (last access: 1 August 2014), 2007.
Fofonova, V., Androsov, A., Danilov, S., Janout, M., Sofina, E., and Wiltshire, K.: Semidiurnal tides in the Laptev Sea Shelf zone in the summer season, Cont. Shelf Res., 73, 119–132,, 2014.
Short summary
By means of airborne sea ice thickness surveys, remote sensing data and results from a numerical model, we show that winter ice dynamic in the Laptev Sea has a preconditioning effect on local summer ice extent in addition to atmospheric processes acting on the ice cover between May and September. We conclude that the observed tendency towards an increased ice export further accelerates pack ice retreat in summer and fast ice decay.