Journal cover Journal topic
The Cryosphere An interactive open-access journal of the European Geosciences Union
doi:10.5194/tc-2016-270
© Author(s) 2016. This work is distributed
under the Creative Commons Attribution 3.0 License.
Brief communication
19 Dec 2016
Review status
A revision of this discussion paper was accepted for the journal The Cryosphere (TC) and is expected to appear here in due course.
Brief communication: Impacts of ocean-wave-induced breakup of Antarctic sea ice via thermodynamics in a standalone version of the CICE sea-ice model
Luke G. Bennetts1, Siobhan O'Farrell2, and Petteri Uotila3 1School of Mathematical Sciences, University of Adelaide, Adelaide, SA, Australia
2CSIRO Ocean and Atmosphere, Aspendale, VIC, Australia
3Finnish Meteorological Institute, Helsinki, Finland
Abstract. Impacts of wave-induced breakup of Antarctic sea ice on ice concentration and volume are investigated using a modified version of the CICE sea ice model, run in standalone mode from 1979–2010. Model outputs show that breakup reduces ice concentration by up to 0.3–0.4 in a vicinity of the ice edge during the summer, and total ice volume by over 500 km3.

Citation: Bennetts, L. G., O'Farrell, S., and Uotila, P.: Brief communication: Impacts of ocean-wave-induced breakup of Antarctic sea ice via thermodynamics in a standalone version of the CICE sea-ice model, The Cryosphere Discuss., doi:10.5194/tc-2016-270, in review, 2016.
Luke G. Bennetts et al.
Luke G. Bennetts et al.

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Short summary
A numerical model is used to investigate how Antarctic sea ice concentration and volume are affected by increased melting caused by ocean-wave breakup of the ice. When temperatures are high enough to melt the ice, concentration and volume are reduced for ~ 100 km into the ice-covered ocean. When temperatures are low enough for ice growth, the concentration recovers, but the reduced volume persists.
A numerical model is used to investigate how Antarctic sea ice concentration and volume are...
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