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On sea-ice dynamical regimes in the Arctic Ocean Public Deposited

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  • Central to an understanding of evolution in sea-ice characteristics in response to climate change is an understanding of sea-ice dynamics. In this study, we investigate regional differences in ice dynamics in the Beaufort Sea and High Arctic using high-frequency ice buoy (beacon) data deployed during the SEDNA and IPY-CFL field campaigns from spring 2007 to winter 2008. Examined in particular are scaling laws determined from absolute dispersion statistics. We create temporal scaling maps to determine whether distinct dynamical regimes can be identified with differing scaling properties. The results from this analysis provide an alternative characterization to changes in sea ice based on dynamics rather than concentration and thickness, and thus insight into, and improved understanding of, the connections between sea-ice drift and morphology.
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  • Lukovich, J. V., Hutchings, J. K., & Barber, D. G. (2015). On sea-ice dynamical regimes in the Arctic Ocean. Annals of Glaciology, 56(69), 323. doi:10.3189/2015AoG69A606
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  • Buoy data were funded by the Canadian International Polar Year program office, the Natural Sciences and Engineering Research Council of Canada, the Canada Foundation for Innovation and partner organizations through support to the IPY-CFL study, and the US National Science Foundation (NSF OPP 0612527) through support to SEDNA. Funding for this study was also provided by the Canadian Networks of Centres of Excellence (NCE) program, and Canada Research Chairs (CRC) grant (D.G. Barber). J.K. Hutchings was supported by the Office of Naval Research (ONR Award N00014-06-1-0728).
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